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Polynomials - Class 9 Maths - Extra Questions

Write the degree of the polynomial given below:
y6y2+5y8



Find the degree of the polynomial: 7x3+2x2+x



Find the degree of the polynomial: 5x2



Show that -1 is a zero of the polynomial 2x3x2+x+4.



Find the degree of the polynomial: 3x24x+2



Find the value of the polynomial p(x)=5x23x+7 at x=1.



Find the degree of the polynomial: 1+2x+3x211x4



Find the degree of the polynomial: 4y2



Evaluate
i)(38)2(37)2
ii)(75)2(74)2
iii)(141)2(140)2



Show that 1 is not a zero of the polynomial 4x43x3+2x25x+1.



Show that: (4pq+3q)2(4pq3q)2=48pq2



Show that: (9p5q)2+180pq=(9p+5q)2



Use the identity (a+b)(ab)=a2b2 to find the product of (x+6)(x6)



What is the expansion of (4p3q)2?



Give one example each of a binomial of degree 35 and of a monomial of degree 100.



Expand:(2t+5)(2t5)



Use appropriate formula to compute 18521152



Use the identity (a+b)(ab)=a2b2 to find the product of (3x+5)(3x5)



Find a zero of the polynomial 2x1



Find the degree of each of the polynomials given below
4y2



Find the volume of the cuboid with dimensions (x1),(x2) and (x3).



Write the degree of the following polynomial:
7x+3x2



Write the degree of the following polynomial:
7x3+5x2+2x6



Find the degree of the polynomial given below:
x5x4+3



Write the degree of the following polynomial:
5p3



Find the degree of each of the polynomials given below
5t3



Find the degree of each of the polynomials given below
x2+x5



Verify whether the value of x given in each case are the zeroes of the polynomial or not?
p(x)=ax+b;x=ba



Verify whether the values of x given in each case are the zeroes of the polynomial or not?
p(x)=5xπ;x=32



Verify whether the values of x given in each case are the zeroes of the polynomial or not?
p(x)=x21;x=±1



Fill in the blanks:
Linear PolynomialZero of the polynomial
x+aa
xa_____
ax+b_____
axbba



Verify whether the values of x given in each case are the zeroes of the polynomial or not?
f(x)=2x1,x=12,12



Verify whether the value of x given in each case are the zeroes of the polynomial or not?
p(x)=(x1)(x+2);x=1,2



Verify whether the given value of x is the zero of the polynomial or not?
p(x)=2x+1;x=12



Verify whether the values of x given in each case are the zeroes of the polynomial or not?
f(x)=3x21;x=13,23



Verify whether the values of x given in each case are the zeroes of the polynomial or not?
p(y)=y2;y=0



Find the zero of the polynomial in each of the following cases.
f(x)=px,p0



Find 1962



Find the zero of the polynomial in each of the following cases.
f(x)=x2



Use suitable identities to find the product of : 
(x5)(x5)



If 2 is a zero of the polynomial p(x)=2x23x+7a, find the value of a



Find the zero of the polynomial in each of the following cases.
f(x)=2x3



Find the zero of the polynomial in each of the following cases.
f(x)=px+q,p0,pq are real numbers



Find 407×393



If p(t)=t31, find the values of p(1),p(2).



Find out the degree of the polynomials and the leading coefficients of the polynomials given below:
x22x3+5x787x370x8



Find out the degree of the polynomials and the leading coefficients of the polynomials given below:
13x3x13113



Classify the following polynomials as monomials, binomials and trinomials:
3x2,3x+2,x24x+2,x57,x2+3xy+y2,s2+3st2t2,xy+yz+zx,a2b+b2c,2l+2m



Find 302×308



The zero of the linear polynomial ax+b is:



Find 93×104



Write the degree of the following polynomial. 12x+4x3



Evaluate the following by using the identity (ab)2=a2+b22ab :
2.82



Write the degree of the following polynomial: 
5y+2



Evaluate the following by using the identities:
9.7×9.8.



Find out the following squares by using the identities:
(3x+5)2



Find out the degree of the polynomials and the leading coefficients of the polynomials given below:
77+7x2x7



Find out the following squares by using the identities:
(a5)2



Find out the degree of the polynomials and the leading coefficients of the polynomials given below:
181+0.8y8y2+115y3+y8



Write the degree of 43x2



Find the zeros of the following polynomials.
p(x)=4x1



Find the root of x3=0



Classify the following polynomial based on their degree.
3x2+2x+1



Classify the following polynomial based on their degrees:
2x



Find the degree of given polynomial :4x31



Find the root of 9x=0−9x=0



Classify the following polynomial based on their degrees:
y+3



Classify the following polynomial based on their degrees:
4x3



Verify Whether the following are roots of the polynomial equations indicated against them.
x25x+6=0;(x=2,3)



Classify the following polynomial based on their degrees:
y24



Verify Whether the following are roots of the polynomial equations indicated against them.
x2+4x+3=0;(x=1,2)



Find the roots of the following polynomial equations.
x6=0



Classify the following polynomials based on their degree. 
(i)p(x)=3   
(ii) p(y)=52y2+1  
(iii)p(x)=2x3x2+4x+1    
(iv)p(x)=3x2
(v)p(x)=x+3 
(vi) p(x)=7  
(vii) p(x)=x3+1  
(viii) p(x)=5x23x+2   
(ix)p(x)=4x
(x) p(x)=32  
(xi) p(x)=3x+1   
(xii) p(y)=y3+3y



Find the roots of the following polynomial equations.
2x+1=0



What number should replace n such that 3(n+6)=(3×5)+(3×6).



(23x+25y)2=



Determine the degree of the the polynomial.
(3x2)(2x3+3x2)



Solve  2y3+y22y1



What is the value if a?
8=5+2a



Determine by substitution, if 7 is a root of 3x5=16.



Write the degree of each of the following polynomials:
(i)5x3+4x2+7x
(ii)4y2
(iii)5t7
(iv)3



 solve:-
(a+b)2=



Verify that whether 2 is a zero of the polynomial x3+4x23x18.



For x3+2x+1572x2x6, write
i) the degree of the polynomial 
ii) the coefficient of x3
iii) the coefficient of x6
iv) the constant term



Find the zeroes of polynomial p(x)=6x23



If (a+b)2=4ab then prove that a=b



Solve (a+b)3a3b3



Use the identity and expand the following (2x+y)2



If (a+b)2=4ab, then prove that a=b.



Solve:
(4a+36)2(4a36)2+48ab



The zeroes of the polynomial 2x+3 is:



(a2b2)2=?



Solve: 6xy - 4y + 6 - 9x



If a-b=5 and a^2+b^2=53, then find the value of ab.



Evaluate
(5x+2y)^{2}+(5x-2y)^{2}



Solve :
4x^2 - 9y^2 =0



If a = 6 - \sqrt 35. find the value of a^2 + \dfrac{1}{a^2}.



Simplify {a^2} + {b^2} = ?



Expand using identities:
{\left( {3x - 5y} \right)^2}



(a+b)^2=?



Simplify (a^2-b^2)^2.



Solve:
{\left( {a + b} \right)^2}



Write the degree of the following polynomials.
(i) p + p^3 + p^7
(ii) a + a^3 - a^0
(iii) m + a^4m + a^5m^3 - m^2 - a^4m^7



Prove if {\cot}\theta  + \dfrac{1}{{{{\cot }}\theta }} = 2 then {\cot ^2}\theta  + \dfrac{1}{{{{\cot }^2}\theta }} = 2



Write the numerical coefficients of the terms (other than constants) in each of the following algebraic expressions.
(a) 5ab^2c   
(b) 3 - 4y^2
(c) -3xyz + 5x^2 - 6
(d) 2(l + b + h)



Find \left(3x+4y\right)^{2}



Check whether \left(-\dfrac{m}{l}\right) is a zero of the polynomial p(x)=lx+m



The degree of {x^3} - 3{x^2} + 1



Solve: 3x^2-2x+\dfrac 13=0



Find the degree of the given polynomials.
x^{o} 



 Simplify {\left( {2x + \dfrac{1}{{3y}}} \right)^2} - {\left( {2x - \dfrac{1}{{3y}}} \right)^2}



Solve : x^2+x-12



Solve: (205)^2 - (195)^2



Find the zero of the polynomial in each of the following
p(x)=3x-2



Solve : (2xy+5y)^2



Solve
4u^2+8u=0



Find the zero of the polynomial  
p(x)=x-5



Select a suitable identity and find the product of (m^{2}-n^{2})(m^{2}+n^{2})



Find the degree of the given polynomials.
2p-\sqrt{7}



Write a polynomial of degree 5 using variable x.



select a suitable identity and find the following products
(7d-9e)(7d-9e)



Evaluate the value of \left(101\right)^{2}by using suitable identity



Find the degree of the given polynomials.
\sqrt{2}m^{10}-7



Find the degree of the given polynomials.
x^{2}



Find the degree of the given polynomials.
7y-y^{3}+y^{5}



select a suitable identity and find the following products
(3k+4l)(3k+4l)



select a suitable identity and find the following products
(2b-a)(2b+c)



If P(x) = 5x^7-6x^5+7x-6 then degree of P(x)?



Write the highest degree of  2\dfrac{2}{3}{x}^{3}-5{x}^{2}+3x+2



select a suitable identity and find the following products
(kl-mn)(kl+mn)



select a suitable identity and find the following products
(6x+5)(6x+6)



Prove that :
(3x-2y)^{2}+24xy=(3x+2y)^{2}



Solve:
\dfrac{9x}{8}+1=10



If 8+2\sqrt{15}=(a+b)^{2},   Find a  and b. 



select a suitable identity and find the following products
(3t+9s)(3t-9s)



Write the degree of x in x^{3}-3.



Find the degree of the polynomial { x }^{ 5 }-{ x }^{ 4 }-x+5



Solve: x+5=2x+3



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) ={ x }^{ 2 }-1,x=1,-1



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) ={ x }^{ 2 },x=0



Find the zeros of the polynomial { 2x }^{ 2 }+{ 5x }^{ 2 }+2x.



Solve:8x-9=10



Find the zeroes of the polynomial:
3x^2-x-4.



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) =3{ x }^{ 2 }-1,x=-\dfrac { 1 }{ \sqrt { 3 }  } ,\dfrac { 1 }{ \sqrt { 3 }  }



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) =3x+1,x=-\dfrac { 1 }{ 3 }



Determine the degree of the following polynomial.
-\dfrac{1}{2}x+3.



Identify constant, linear, quadratic, cubic and quartic polynomial from the following.
-13.



Find the zero of the polynomial p(x)=x-5.



p(x)=x^2+3x+4 Find p(3)



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) =5x-\pi ,x=\dfrac { \pi }{ 5 }



Find 4{ x }^{ 2 }{ y }^{ 2 }+\dfrac { 1 }{ 4{ x }^{ 2 }{ y }^{ 2 } } , if \left( 2xy+\dfrac { 1 }{ 2xy }  \right) =1.6.



If x+\dfrac{1}{x}=4, find the value of
(i) x^{2}+\dfrac{1}{x^{2}}
(ii) x^{4}+\dfrac{1}{x^{4}}



Verify whether the following are zeroes of the polynomial, indicated against them:
p\left( x \right) =2x+1,x=\dfrac { 1 }{ 2 } .



Expand :-(ax+by)^{2}



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) =lx+m,x=-\dfrac { m }{ l }



Write the degree of each of the following polynomials:
3x - 15



Write down the degree of following polynomials in x:1-x^2



Determine the degree of the following polynomial.
-8.



Write the degree of the following polynomials:
\dfrac{2}{5}x^3-7x^2-\dfrac{1}{2}x+3



Write the degree of the polynomial P(x)=2 x^{2}-x^{3}+5 .



Write the degree of the polynomial f(x)=x^2-3x^3+2.



For each of the following monomials , write its degree :
7y



The expression 13+90 is a _____



Write the degree of each polynomial given below:
y-6y^2 +5y^8



Write the degree of the polynomial for the following .
ax^{7} + bx^{9} (a,b are constant.)



Write the degree of the given polynomial .
x^{0}



Write the degree of the given polynomial .
x^{2}



Write the degree of each polynomial given below:
x\ y\ z-3



Write the degree of each polynomial given below:
xy+yz^2 -zx^3



Write the degree of the following polynomial:
3 .



Write the degree of the polynomial for the following .
7



Write the degree of the given polynomial .\sqrt{5}



Write the degree of the following polynomial:
3 + 4t^{2}.



Evaluate:
(3x-4y)(3x+4y)(9x^2+16y^2) is equal to 81x^4-256y^4.
If true then enter 1 and if false then enter 0.



Evaluate:
(3-2x)(3+2x)(9+4x^2) is equal to 81-16x^4.
If true then enter 1 and if false then enter 0.



Evaluate:
(a+b)(a-b)(a^2+b^2) is a^4-b^4.
If true, then enter 1 and if false, then enter 0.



Write the degree of each polynomial given below:
x^2 - 6x^3 + 8



Evaluate:
(2a-b)(2a+b)(4a^2+b^2) is 16a^4-b^4.
If true, then enter 1 and if false, then enter 0.



Evaluate using expansion of (a+b)^2 or (a-b)^2:
(45)^2



Evaluate using expansion of (a+b)^2 or (a-b)^2:
(20.7)^2 is 428.49
If true then enter 1 and if false then enter 0



If 1 is the zero of f(x)=kx^2-3kx+3k-1 then the value(s) of k is



State whether True or False: 0 for true, 1 for false
\displaystyle (2\sqrt{3}+3\sqrt{2})^{2} =  12+ 18 + 12\sqrt{6} = 30+ 12\sqrt{6}



Evaluate the following by using identities:
(97)^2



If 3 is the zero of f(x)=x^4-x^3-8x^2+kx+12 then the value of k is equal to



If g(x)=\cfrac{{x}^{3}-ax}{4} and g(2)=\cfrac{1}{2}, what is the value of g(4)?



Find p(0), p(1) and p(2) for each of the following polynomials:
(i) p(y)=y^2-y+1
(ii) p(t)=2+t+2t^2-t^3
(iii) p(x)=x^3
(iv) p(x)=(x-1)(x+1)



Find the value of the polynomial 5x-4x^2+3 at
(i) x=0
(ii) x=-1
(iii) x=2



Find the zero of the polynomial in each of the following cases:
(i) p(x)=x+5
(ii) p(x)=x-5
(iii) p(x)=2x+5
(iv) p(x)=3x-2
(v) p(x)=3x
(vi) p(x)=ax, a\neq 0
(vii) p(x)=cx+d, c\neq 0, c, d are real numbers.



Write the degree of each of the following polynomials:
(i) 5x^3+4x^2+7x
(ii) 4-y^2
(iii) 5t-\sqrt 7
(iv) 3



Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.
(i) 4x^2-3x+7
(ii) y^2+\sqrt 2
(iii) 3\sqrt t+ t\sqrt 2
(iv)  y+\displaystyle\frac{2}{y}
(v) x^{10}+y^3+t^{50}



Obtain all other zeroes of 3x^4 +6x^3-2x^2-10x-5, if two of its zeroes are \sqrt{\dfrac{5}{3}} and -\sqrt{\dfrac{5}{3}}.



Use the identity (x+a)\;(x+b)=x^2+(a+b)x+ab to find following products.
(i) (x+3)\;(x+7)
(ii) (4x+5)\;(4x+1)
(iii) (4x-5)\;(4x-1)
(iv) (4x+5)\;(4x-1)
(v) (2x+5y)\;(2x+3y)
(vi) (2a^2+9)\;(2a^2+5)
(vii) (xyz-4)\;(xyz-2)



Simplify:
(i) (a^2-b^2)^2
(ii) (2x+5)^2-(2x-5)^2
(iii) (7m -8n)^2 + (7m + 8n)^2
(iv) (4m+5n)^2+ (4n+5m)^2
(v) (2.5p-1.5q)^2-(1.5p-2.5q)^2
(vi) (ab+bc)^2-2ab^2c
(vii) (m^2-n^2m)^2+2m^3n^2



Find and correct errors of the following mathematical expressions:
(z+5)^{2} = z^{2} +25



Find the square of the following numbers
(i) 32
(ii) 35
(iii) 86
(iv) 93
(v) 71
(vi) 46



Using a^2-b^2=(a+b)(a-b), find
(i) 51^2-49^2
(ii) 1.02^2-0.98^2
(iii) 153^2-147^2
(iv) 12.1^2-7.9^2



Find and correct errors of the following mathematical expressions:ind and correct error
(3x+2) ^{2} = 3x^{2} +6x+4



Find and correct errors of the following mathematical expressions:
(y-3)^{2} = y^{2} -9



If the zeroes of the polynomial x^3-  3x^2  + x + 1 are a-  b,\ a,\ a + b find a and b.



Find the degree of each of the following:
(i) 3{ x }^{ 2 }+2x+1
(ii) x+1
(iii) 2y+3-5{ y }^{ 3 }
(iv) { u }^{ 7 }-3{ u }^{ 3 }+2u
(v) { y }^{ 4 }+2{ y }^{ 3 }-3{ y }^{ 2 }+8



Find the product: (a+3)(a+5)



Find the product of (a-8)(a+2)



Compute 54 \times 46



Find the product:(3t+1)(3t+4)



Compute (4.9)^2.



Find the product of (a-6)(a-2)



Expand:(xy+8)(xy-8)



Expand:(2x+3y)(2x-3y)



Find (2x + 3y)^2.



Using the identity (a + b)^2 = a^2 + 2ab + b^2, simplify (a+6)^2



Using the identity (a + b)^2 = a^2 + 2ab + b^2, simplify (2p+3q)^2



Using the identity (a + b)^2 = a^2 + 2ab + b^2, simplify (x^2+5)^2



Is it possible to imitate the case of the identity (x+a)(x+b) = x^2+(a+b)x+aband get a similar expression for the product (x + a)(x + b)(x + c)?



Using the identity (a + b)^2 = a^2 + 2ab + b^2, simplify (3x+2y)^2



Evaluate:103\times 96



Evaluate:102\times 106



Evaluate: 53\times 55



Evaluate (34)^2 by using the identity (a + b)^2 = a^2 + 2ab + b^2.



Evaluate: 34\times 36



Evaluate (10.2)^2 by using the identity (a + b)^2 = a^2 + 2ab + b^2  



Using the identity (a - b)^2 = a^2 - 2ab + b^2 compute (p^2 - q^2)^2;



Evaluate (49)^2 using the identity (a - b)^2 = a^2 - 2ab + b^2.



Using the identity (a - b)^2 = a^2 - 2ab + b^2 ,compute (5a - 4b)^2;



Evaluate (41)^2 by using the identity (a + b)^2 = a^2 + 2ab + b^2   



Evaluate (59)^2 using the identity (a - b)^2 = a^2 - 2ab + b^2



Using the identity (a -b)^2 = a^2-  2ab + b^2 compute (x-  6)^2



Using the identity (a - b)^2 = a^2 - 2ab + b^2 compute (3x -5y)^2



Evaluate  (53)^2 by using the identity (a + b)^2 = a^2 + 2ab + b^2



Evaluate  (9.8)^2 by using the identity (a - b)^2 = a^2 - 2ab + b^2.



Use the identity (a + b)(a - b) = a^2 - b^2 to find the products of (2a + 4b)(2a - 4b)



Evaluate 55\times 45 using suitable identity. 



Evaluate 8.5  \times 9.5 using suitable standard identity.



Find the product of (p+2)(p-2)(p^2+4)



Evaluate (198)^2 using the identity (a - b)^2 = a^2 - 2ab + b^2 



Use the identity (a + b)(a - b) = a^2 - b^2 to find the product of (\dfrac{2x}{3} + 1)(\dfrac{2x}{3}- 1)



Evaluate 102\times 98  using suitable standard identity.



Evaluate 33\times 27 using suitable identity.



Find the product of (2a+3)(2a-3)(4a^2+9)



Find the product : (x-3)(x+3)(x^2+9)



Find the product of (2x-y)(2x+y)(4x^2+y^2)



Expand: (x-1)(x + 1)(x^2 +1)(x^4+1)



Use appropriate formula to compute 107\times 93



Use appropriate formula to compute 1008\times 992 



Expand: (2x-y)(2x + y)(4x^2 +y^2)



Use appropriate formula to compute (103)^2



Find the product of (\frac{1}{2}m-\frac{1}{3})(\frac{1}{2}m+\frac{1}{3})(\frac{1}{4}m^2+\frac{1}{9})



Simplify:  (x + y)^2 + (x - y)^2;



Find the product : (2x-3y)(2x+3y)(4x^2+9y^2)



Use the appropriate formula to compute (96)^2.



Express the given expression (x + 98)(x + 102) as difference of two squares



Find the degree of the following polynomial.
x^{3} + 17x - 21 - x^{2}



Simplify:  (x + y)^2 \times (x - y)^2.



Find the product \left( 3+\sqrt { 2 }  \right) \left( 3-\sqrt { 2 }  \right) .



Expand: { \left( \sqrt { 5 } +\sqrt { 2 }  \right)  }^{ 2 }.



Find the degree of the following polynomial.
x^{3} + 2x^{2} - 5x - 6



Find the degree of the following polynomial.
x^{2} - 9x + 20



Find the degree of the following polynomial.
2x + 4 + 6x^{2}



Simplify: { \left( \sqrt { 2 } x-2y \right)  }^{ 2 }.



Simplify: { (3m+5n) }^{ 2 }-{ (2n) }^{ 2 }



Find {204}^{2}



Verify whether 2 and 1 are zeroes of the polynomial x^{2} - 3x + 2.



Use suitable identities for the following product :
(1 + x)(1 + x)



The degree of monomial 2 is?



Use suitable identity to find the following product:
(x + 5)(x + 2)



Find the degree of the following polynomial.
\sqrt {3}x^{3} + 19x + 14



Use suitable identities to find the product :
\left (x^{2} + \dfrac {1}{x^{2}}\right )\left (x^{2} -\dfrac {1}{x^{2}}\right )



Using the identity (x + a)(x + b) = x^{2} + (a + b)x + ab, find the values of the following:
55\times 56



If p(x) = x^{2} - 5x - 6; find the value of p(3)



Find {987}^{2}-{13}^{2}



Evaluate the following by using the identities:
28\times 32



Evaluate the following by using the identities:
96\times 104



Evaluate the following by using the identities:
(12.1)^{2} -(79)^{2}



Using the identity (x + a)(x + b) = x^{2} + (a + b)x + ab, find the value of 95\times 103



Evaluate the following by using the identities:
81\times 79



Evaluate the following by using the identities:
53\times 47



Verify Whether the following are roots of the polynomial equations indicated against them.
x^3-2x^2-5x+6=0; (x=1, -2 \ and \   3)



Find the zeros of the following polynomial:
p(x)=2x -3



Write the degree of the following polynomial:
5



Expand the following using identities
(2a + 3b)^2



Find the zero of the following polynomial equation.
11x+1=0



Verify Whether the following are roots of the polynomial equations indicated against them.
x^3-2x^2-x+2=0; (x=-1, 2 \ and \  3)



Using the identity (x + a)(x + b) = x^{2} + (a + b)x + ab, find the values of the following:
501\times 505



For polynomial  P(x)=6x^3+29x^2+44x+21 find P(-2).



Expand the following with suitable identity
(-4x+2yz)^2.



Find the degree of each of the polynomials given below
(i) x^5  - x^4  + 3
(ii) x^2  + x - 5
(iii) 5
(iv) 3x^6  + 6y^3  - 7
(v) 4 - y^2
(vi) 5t - \sqrt 3



 Find the number of real zeros of the following polynomial p(x)=x^2-2x        



Find the value of a given polynomial at the indicated value of variables.
p(t) = 4t^{4} + 5t^{3} - t^{2} + 6 at t = 0



Expand 9{(x+a)}^{2}-4{x}^{2}




Determine the number  of real and imaginary roots of the following polynomial a{x}^{2}+b{x}^{2}+cx+d=0



Without actual calculations, find the value of the following expression:
28^{2} - 27^{2}.



Find the value of a given polynomial at the indicated value of variables.
p(x) = 5x^{2} - 3x + 7 at x = 1.



Find the value of a given polynomial at the indicated value of variables.
q(y) = 3y^{2} -4y\sqrt{11} +8\sqrt{11} at y =2



Simplify the following using idenitive (1025)^{2}-(975)^{2}



Find the zero of the polynomial in each of the following in each of the following cases:
p(x)=ax,a\neq0



Evaluate the following using suitable identity :
(a) { \left( 10x-1 \right)  }^{ 2 }

(b) { \left( x-8y \right)  }^{ 2 }



Factorise: 
25a^{2} - 9b^{2}



Evaluate the following:
{ \left( 7x-2y \right)  }^{ 2 }
{ \left( 3x+7y \right)  }^{ 2 }



Find the zero of the polynomial in each of the following in the following case:
p(x)=x+5



Find the zero of the polynomial in the following case:
p(x)=cx+d,c\neq d are real numbers.



Verify whether the values of x given in each case are the zeros of the polynomial or not?
p(x)=x^{2}-1;x=+1



Find the zero of the polynomial in each of the following in each of the following cases:
p(x)=x-5



Find the value of k, if x=2 is a zero of p(x)=x^2+5x+2k.



Evaluate: \dfrac {198\times 198-{102}\times 102}{96}



Find the zero of the polynomial in each of the following cases :
p(x)=cx+d, c\neq 0, c, d are real numbers.



Find the square of : 2a +b



Evaluate (a+b)(a-b)+(b+c)(b-c)+(c+a)(c-a).



Find the number of zeroes of the quadratic {x}^{2}+7x+10 and verify the relationship between the zeroes and the the co-efficients.



Find the roots of: x^{4}-26x^{2}+25=0



Simplify the following using the rules for identities :
(i) 69^{2}-59^{2}
(ii) 101^{2}-91^{2}
(iii) 1002^{2}-998^{2}



Simplify : \left( 4+\sqrt { 3 }  \right) \left( 4-\sqrt { 3 }  \right)



Find the zero of the polynomial
p\left( x \right) = 2{x^2} - 5x - 3



 (9a-5b)^2+186ab=(9a+5b)^2.



If 2(a^2+b^2)=(a+b)^2, then show that a=b.



Using identity (a+b)^2=(a^2+2ab+b^2) Evaluate (i) (609)^2 (ii) (725)^2



If 3x - 2y = 5 and xy = 4 then find the value of 9{x^2} + 4{y^2}



Find p and q  such that (x+1) and (x-1) are factors of the polynomial {x^4} + p{x^3} - 3{x^2} + qx + q.



Find the zeroes of the polynomial p(x) = {x^3} - x.



find zeros of polynomial f(x) = -(x - 1)^3 (x + 1)^2.



Solve the equation:
\dfrac{{{{\left( {2x + 1} \right)}^2} + {{\left( {2x - 1} \right)}^2}}}{{{{\left( {2x + 1} \right)}^2} - {{\left( {2x - 1} \right)}^2}}} = \dfrac{{17}}{8}



Using (x + a) (x + b) = x^2 + (a + b) x + ab find 105 \times 107



How many zeros does the polynomial { ax }^{ 3 }+{ bx }^{ 2 }+cx+d have ?



Zero of the polynomial p(x)=2 - 5x is 



The value of \left( x+3y \right) ^{ 2 }+\left( x-3y \right) ^{ 2 } is



Using identity find the value of (4.7)^2.



If p(x)=3x^2-4x+7,find p(\dfrac{1}{2}) and p(-2)



Find the a zero of the polynomial p(x) = 3x + 1 \



Using identity find the value of (7.2)^2



A^2-B^2=(a+b)(a-b).



(a+b)^2 Solve it.



if x = (-1) , then solve
p(x) = 5x - 4x^{2} + 3.



Simplify { \left( 1-z \right)  }^{ 2 }-{ \left( 1+z \right)  }^{ 2 }



Simplify : (x - y)^2 - 7(x^2 - y^2) + 12 (x + y)^2



Find k, if 3 is the zero of 3{ x }^{ 2 }+\left( k-3 \right) x+9x=0 .



Evaluate 
(2-\dfrac{7}{2})^{2}+(3+\dfrac{5}{2})^{2}=r^{2}.



Simplify:
i) {\left( {{a^2} - {b^2}} \right)^2}
ii) {\left( {2x + 5} \right)^2} - {\left( {2x - 5} \right)^2}



Find the zeros of the following quadratic polynomial :
p(x)=6x^{2}-x-6



Solve:
(x+4)^2 - (x-5)^2 = 9



The zeros of p(x)=2+x-x^2 are            



Find the zeroes of the polynomial f(x)=4{x}^{2}+8x and verify the relationship between the zeroes and its coefficients.



Solve:
{(a + b)^2} - {a^2} - {b^2}=?



Find the zeros of the quadratic polynomial \sqrt { 3 } x ^ { 2 } - 8 x + 4 \sqrt { 3 }.



Show that { \left( 3x+7 \right)  }^{ 2 }-84x={ \left( 3x-7 \right)  }^{ 2 }



 Solve it:-
{\left( {a + 2b} \right)^2} - {a^2}



Find the zeroes of the following polynomial:5\sqrt 5 {x^2} + 30x + 8\sqrt 5



Find the zero of the polynomial
2x-3



Find the zeros of the quadratic polynomial:
x^2-5x+6.



Find the zeroes of the quadratic polynomial 9x^2-5.



Simplify: \left( a ^ { 2 } - b ^ { 2 } \right) ^ { 2 }



\begin{array} { l } { \text { Evaluate using expansion of } ( a + b  ) ^ { 2 } }or  { ( a - b ) ^ { 2 } : } \end{array}
(i)  ( 208 ) ^ { 2 }                      (ii)  ( 92 ) ^ { 2 }



Find the zeros of the given polynomials
t^{2}-15



Solve: 3{y}^{2}=15y



Solve:
2{y^3} - 3{y^2} + 1 = 0



Find the zeroes of the quadratic polynomial 6x^2-13x+6 and verify the relation between the zeroes and its coefficients?



If 5x+\cfrac{1}{5x}=23 and 5x-\cfrac{1}{5x}=17, find the value of 25{x}^{2}-\cfrac{1}{25}{x}^{2}



If one zero of the quadratic polynomial {x^2} + 3x + k is 2, then find the value of k.



Find: (5m+7n)^{2}



Show that:
{(a+b)}^{2}-{(a-b)}^{2}=4ab



Find the zero of the polynomial
x^{2}-16



Simplify ( a + b ) ^ { 2 }



Solve the following equation; 
x^{4}-10x^{2}+9=0



Following polynomars write the degree of each.
1).   6x^{2}+x+1
2).   y^{9}-3y^{7}+\frac{3}{2}y^{2}+4
3) .   2x+1
4).   5t-\sqrt{11}



Prove: {\left( {4x + 7y} \right)^2} - {\left( {4x - 7y} \right)^2} = 112xy



Solve:
\left( {{p^2} - {q^2}} \right)\left( {{p^2} + {q^2}} \right)



Simplify:
\left( 3 m - \dfrac { 4 } { 5 } n \right) ^ { 2 }



Solve:
2{x^2} + 5\sqrt 3 x + 6 = 0



Decide whether x=2 is a zero of {x}^{2}+4x-12=0.



Evaluate:
( a - 3 b ) ^ { 2 } - 4 ( a - 3 b ) - 21



(a^{2}-9)x=a^{3}+27



Simplify:
( a x + b y ) ^ { 2 } + ( b x - a y ) ^ { 2 }



Solve:

\dfrac { 97 ^ { 2 } - 43^2 } { 97 - 43 }



Factorize :2y^2+9y+10=0



Find the roots of 21x^2+2x+\dfrac{1}{21}=0 by factorization method. 



Using {a^2} - {b^2} = \left( {a + b} \right)\left( {a - b} \right), find
1) {51^2} - {49^2}
2) {\left( {1.02} \right)^2} - {\left( {0.98} \right)^2}
3) {153^2} - {147^2}
4) {12.1^2} - {7.9^2}



Verify whether the following is zeros of the polynomial, indicated against them.
p(x)=x^{2},\ x=0



Find the zero of the polynomial in each of the following
p(x)=3x



Find the zeros of the given polynomials.
p(x)=(x+2)(x+3)



Verify whether the following is zeros of the polynomial, indicated against them.
p(x)=(x+1)(x-2),\ x=-1,2



Show that:
(a - b)(a + b) + (b - c)(b + c) + (c - a)(c + a) = 0



Solve the following quadratic equation by factorization and find its root : 
  6x^2-x-2=0



Verify whether the following is zeros of the polynomial, indicated against them.
p(x)=x^{2}-1,\ x=1,-1



Solve the following quadratic equation by factorization : 
  64x^2-9=0  



Solve : x^2 - 6x + 8



Solve: ( 4 m + 5 n ) ^ { 2 } + ( 5 m + 4 n ) ^ { 2 }



division algorithm.
If one zero of the Polynomial  x ^ { 2 } + 3 x + k  is  2  find  k.



 Write the zero of the polynomial:
 2x-3



Simplify:
\left(2x-y\right)^{2}-18\left(3x-y\right)+72



Find the value of the polynomial p\left(x\right)=5{x}^{2}-3x+7 at x=1



Verify whether 2 is a zero of the polynomial x^{3}+4x^{2}-3x-18 or not?



Find the zero of the polynomial
(i)  2 x - 3
(ii) x ^ { 4 } - 16



Find the roots of equation x^2-3x-10=0 .



Zero of Polynomial {\text{P}}\left( {\text{x}} \right)\;{\text{ = }}\;\;{{\text{x}}^{\text{2}}}\;{\text{ - }}\;{\text{5x}}\;{\text{ + }}\;{\text{6}}



What will be the number of real zeros of the polynomial x^{2}+1.



What should be added to x^2+6x to get (x+3)^2



Show that :
\dfrac{(4ab+3cd)^{2}-(4ab-3cd)^{2}}{48}=abcd



Find the zero of the polynomial in each of the following cases :
(i) p(x) = 2x+5
(ii) p(x) = 3x-2



If x+\dfrac{1}{x}=2 then find the value of { x }^{ 2 }+\dfrac { 1 }{ { x }^{ 2 } } .



Find the zeros of the following quadratic polynomials and verify the relationship between the zeros and the coefficients.
6x^{2}-3-7x



Use the identity (x+a)(x+b)=x^{2}+(a+b)x+ab to find the following product. 
(2a^{2}+9)(2a^{2}+5)



Find the value of :(987)^{2}-(13)^{2}



Find zeros of polynomial p(x)=(x-2)^{2}-(x+2)^{2}



Solve
(2a+3b)(2a-3b)(4a^{2}+9b^{2})=?



Find  249\times 251 without actual multiplication.



Find the zero of the polynomial  2 x ^ { 2 } - 9.



Evaluate 
(107)^{2}-(93)^{2}.



Using identities, evaluate:
(1.02)^{2}-(0.98)^{2}



Simplify :
(2x+3y)^{2}



Prove  L.H.S = R.H.S  : ( A + B ) ^ { 2 } =A^2+B^2+2AB



degree of polynomial
(2m^{3}+m^{2}+m+9)



Solve the following equation by suitable identity:
{a^2}{z^2} - {b^2} = 0



Solve the following:
(a+b)(a-b)(a^{2}+b^{2})(a^{4}+b^{4})



Simplify :
(8a-5b)^{2}



Find out the value of the polynomial, 5x-4x^2+3 for x=0



If 0 and 1 are the zeros of the polynomial f(x)=2x^{3}-3x^{2}+ax+b, find the value of a and b



If the zeroes of the polynomial { x }^{ 3 }-{ 3x }^{ 2 }+x+1 are (a-b), a, (a+b), find a and b.



Find what value of k,-4 is a zero of the polynomial x^{2}-x-(2k+2)?



If  \alpha  and  \beta  are zeroes of the polynomial  x ^ { 2 } - a ( x + 1 ) - b  such that ( \alpha + 1 )( \beta + 1 ) = 0 ,  find the value of  b .



Verify that 1, -1, and -3 are the zeroes of the cubic polynomial, x^3+x^2- x - 3 and verify the relationship between zeroes and the coefficients.



Find the zeroes of a polynomial  v ^ { 2 } + 4 \sqrt { 3 } v - 15.



Find k if x=\dfrac{-3}{2} is root of { 6x }^{ 2 }+kx+3=0



Find the zeros of the polynomial f(x)={ x }^{ 2 }-2 and verify the relationship between its zeros and coefficients.



Find the missing terms such that the given polynomial become a perfect square trinomial :
_________+4xy+4



Find the zero of the polynomial 5x-6



The zeros of polynomial p(x)=x^2-3x+2 are



Find the zeroes of the polynomial g\left( x \right) =7\sqrt { 2 } { x }^{ 2 }-10x-4\sqrt { 2 } 



Find zeros of 5\sqrt {5}x^{2}+30x+8\sqrt {5}



Find the polynomial whose zeros are \alpha=1/2 and \beta=1/2.



Find the zeros of the polynomial: 6x^2-3-7x.



Find the zeroes of the polynomial:
x^2-2x-8.



If zero of the polynomial ax-10 is 5, then find the value of a



Solve:2{x}^{2}-8=0



What is the degree of the polynomial p(x)=2x+\dfrac{3}{2} x^{3}-7.



Make parts of like terms :
{ 2x }^{ 2 },-3y,{ 6y }^{ 2 },-{ 3x }^{ 2 },-{ 4y }^{ 2 },8y



Solve:
{ x }^{ 2 }-30=70



Verify whether the following are zeroes of the polynomial, indicated against them.
p\left( x \right) =\left( x+1 \right) \left( x-2 \right) ,x=-1,2



Solve:{x}^{2}-5=4



Write the degree of each of the following polynomials:
{ x }^{ 5 }{ y }^{ 6 }-7{ x }^{ 3 }{ y }^{ 10 }+20{ x }^{ 5 }{ y }^{ 6 }{ z }^{ 5 }



If equation \left({a}^{2}-4\right){x}^{2}+\left({a}^{2}-6a+8\right) x +\left({a}^{2}-3a+2\right)=0 has more than two roots then a is



Simplify {\left(101\right)}^{2} using suitable identity.



Using identities, find the value of 72^2-18^2.



Expand {\left(99\right)}^{2} using suitable identities.



Expand. (5a+6b)^2



Define zero or root of a polynomial.



Verify the identity { \left( a+b \right)  }^{ 2 }={ a }^{ 2 }+2ab+{ b }^{ 2 } for a=2,b=4



Find the zeros of the following polynomial by factorization method and verify the relations between the zeroes and the coefficient of the polynomials :
y^{ 2 }+\dfrac { 3 }{ 2 } \sqrt { 5 } y-5



Verify whether -3 and 2 are the zeroes of the polynomial x^{3} - x^{2} +x - 6.



Check whether -2,-5 are the zeros of the polynomial p(x)=x^2+7x+10



Find the  zeroes of  the polynomial : p(x)=(x-2)^{2}-(x+2)^{2}



Verify whether the indicated numbers are zeroes of the polynomial corresponding to them in the following case:
f(x) = x^{2} - 1, x = 1, -1.



If p(x)=x^{2}-4x+3 , evaluate: p(2)-p(-1)+p(\frac{1}{2})



How many zeroes of polynomials are there for the polynomial p(x)=x^{3}-3x^{2}.



Verify whether the indicated numbers are zeroes of the polynomial corresponding to them in the following case:
f(x) = 3x + 1, x = -\dfrac {1}{3}.



Verify whether the indicated numbers are zeroes of the polynomial corresponding to them in the following case:
p(x) = x^{3} - 6x^{2} + 11x - 6, x = 1, 2, 3.



The zero of polynomial p(x)=4x+5 is :



Verify whether the indicated numbers are zeroes of the polynomial corresponding to them in the following case:
f(x) = 5x - \pi, x = \dfrac{4} {5}.



Verify whether the indicated numbers are zeros of the polynomials corresponding to them in the following cases:
g(x) = 3x^{2} - 2, x = \dfrac {2}{\sqrt {3}}, -\dfrac {2}{\sqrt {3}}.



If (x^{2}+y^{2})(a^{2}+b^{2})=(ax+by)^{2}  prove that \dfrac{x}{a}=\dfrac{y}{b}



Identify constant, linear, quadratic and cubic polynomials from the following polynomials:
f(x) = 0.



Verify whether the indicated numbers are zeroes of the polynomial corresponding to them in the following case:
f(x) = x^{2}, x = 0.



Write the degree of each of the following polynomials:
5x^{2} - 3x +2.



Write each of the following polynomials in the standard form. Also, write their degree:
x^{2} + 3 + 6x + 5x^{4}.



Write the degree of the following polynomial:
3x^{3} + 1.



Write the degree of each of the following polynomials:
\dfrac {1}{2} y^{7} - 12y^{6} + 48 y^{5} - 10.



Write the degree of the following polynomial:
2x^{3} + 5x^{2} - 7.



Using the formula for squaring a binomial, evaluate the following.
(102)^2.



Write the degree of the following polynomial:
5



Write the degree of each of the following polynomials:
2x + x^{2} - 8.



Write the degree of each of the following polynomials:
20x^{3} + 12x^{2}y^{2} - 10y^{2} + 20.



State whether the following expression is polynomial or not. In case of a polynomial, write its degree.
t^2-\dfrac{2}{5}t+\sqrt{5}.



State whether the following expression is polynomial or not. In case of a polynomial, write its degree.
\dfrac{3}{5}x^2-\dfrac{7}{3}x+9.



State whether the following expression is polynomial or not. In case of a polynomial, write its degree.
x^4-x^{\tfrac{3}{2}}+x-3.



Using the formula for squaring a binomial evaluate the following.
(703)^2.



Using the formula for squaring a binomial, evaluate the following.
(1001)^2.



Using the formula for squaring a binomial, evaluate the following.
(999)^2.



State whether the following expression is polynomial or not. In case of a polynomial, write its degree.
\sqrt[3]{2}x^2-8.



Using the formula for squaring a binomial, evaluate the following.
(99)^2.



Write the zeroes of the quadratic polynomial f(x) = 6x^2 -3



State whether the following expression is polynomial or not. In case of a polynomial, write its degree.
x^5+2x^3+x+\sqrt{3}.



Verify that 0 and 3 are the zeros of the polynomial, r(x)=x^2-3x.



Determine the degree of the following polynomial.
y^2(y-y^3).



Find the zero of the polynomial q(x)=x+4.



Verify that \dfrac{-1}{2} is a zero of the polynomial, g(y)=2y+1.



Verify that 2 and -3 are the zeros of the polynomial, q(x)=x^2+x-6.



Verify that 1 and 2 are the zeros of the polynomial, p(x)=x^2-3x+2.



Verify that \dfrac{2}{5} is a zero of the polynomial, f(x)=2-5x.



Verify that 4 is a zero of the polynomial, p(x)=x-4.



Find the zero of the polynomial r(x)=2x+5.



State whether the following expression is polynomial or not. In case of a polynomial, write its degree.
2x^3+3x^2+\sqrt{x}-1.



Find the zeros of the polynomial f(x) = x^3 - 12x^2 +39x -28, if it is given that the zeros are in A.P.



Find the zero of the polynomial g(x)=5-4x.



Find the zero of the polynomial q(x)=4x.



Find the zero of the polynomial h(x)=6x-2.



In each of the following, determine whether the given numbers are solutions of the given equation or not:
(i) x^{2}-3 \sqrt{3} x+6=0 \ ;\ x=\sqrt{3},-2 \sqrt{3}
(ii) x^{2}-\sqrt{2} x-4=0\ ;\ x=-\sqrt{2}, 2 \sqrt{2}



Find the zero of the polynomial p(x)=ax, a\neq 0.



a^{2}-b^{2} = (a+b) __________ .



Expand the following, using suitable identities: (xy + yz)^{2}



Find the zero of the polynomial f(x)=3x+1.



Determine the degree of the following polynomials :
y^3 ( 1 - y^4)



Determine the degree of the following polynomials :
-10



State whether the following expression are polynomials or not? Justify your answer.
8



Determine the degree of the following polynomials :
x^3 - 9x + 3x^5



Determine the degree of the following polynomials :
2x - 1



Classify the following as a constant, linear quadratic and cubic polynomials:
3



Expand the following, using suitable identities: (x^{2}y - xy^{2})^{2}



Find the zeros of the polynomial of the following:
g(x) = 3 - 6x



Find the zeros of the polynomial of the following:
h(y) = 2y



Find the zeroes of the polynomial of the following:
p(x) = x - 4



Factorise the following:
9x^2 - 12x + 4



Find the zeros of the polynomial of the following:
q(x) = 2x - 7



Write down the degree of following polynomials in x: 3-2x



The degree of the polynomial 3x^2-2x^2+5 is........



Find the zeroes of the polynomial P(x)=x^{2}-3



6(x+3y)^3 + 8(  x +2y)^2



Write the degree of the polynomial:
\dfrac{2}{5}x^4 - \sqrt 3x^2 + 5x - 1



Write down the degree of following polynomials in x: x^2-6x^7+x^8



2(x -2y)^2 -50y^2



Write down the degree of following polynomials in x:-2



The degree of the polynomial 3-5x^2+7x^3-x^4 is ........



Simplify the following:
\left(\dfrac{7a}{2} - \dfrac{5b}{2}\right)^2 - \left(\dfrac{5a}{2} - \dfrac{7b}{2}\right)^2



108a^2 -3 (b+c)^2



A real number \alpha will called the zero of the quadratic polynomial ax^2+bx+c if............. Is equal to zero.



Fill in the blanks: 
The degree of the polynomial 2x^2+4x-x^3 is ............



Which of the following is a polynomial?Find its degree and the zeroes.
2-\dfrac{1}{2}x^2



Is -1 a zero of the quadratic polynomial x^2-2x-3?



Is -2 a zero of the quadratic polynomial 3x^2+x=10?



32 -2 ( x -4)^2



Which of the following is a polynomial?Find its degree and the zeroes.
x+\dfrac{1}{\sqrt{x}}



Find the zeroes of the given polynomials
P (x) = 3 x



Write the degree of each of the following polynomials :
1 - 100x^{20}



Write the degree of each of the following polynomials :
x^3 - x^8 + x^{10}  



Which of the following expressions is a polynomial? Find the degree and zeroes of the polynomial.i) \dfrac{x}{2}+\dfrac{2}{x} ii) x^2+2x



Find the zeroes.
4-\dfrac{1}{4}x^2



If P (x) =  = 5x^{7} - 6x^{5} + 7x - 6 Find,
Degree of  P (x)



Write the degree of the following polynomial :
5x^2 - 7x + 2



Write the degree of each of the following polynomials :
4 + 4x - 4x^3  



Write the degree of each of the following polynomials :
x + x^2



State which of the following statement are true and which are false ? Given reasons for your choice
The degree of the polynomial .
\sqrt{2} x^{2} - 3x + 1 is \sqrt{2}  



Write the degree of the polynomial for the following expression.
5 + 3x^{4} 



State which of the following statement are true and which are false ? Given reasons for your choice
The degree of a polynomial is one more the number of term in it .



Find the zeroes of the given polynomials
c^{4}-16



Check whether 3 and -2 are the zeroes of the polynomial P (x) when
x^{2}- x-6



Write three quadratic polynomials that have no real zeroes.



Check whether -2 and 2 are the zeroes of the polynomials  x^{4}- 16   



Write the degree of the given polynomial:
2p - \sqrt{7}.



State which of the following statement are true and which are false ? Given reasons for your choice
The degree of a constant term is 0



Write the degree of the given polynomial .
\sqrt{2}m^{10} - 7



Evaluate:
(4a+3b)^2-(4a-3b)^2+48ab



Write the degree of the given polynomial:
7 y - y^{3} + y^{5}.



Write the degree of the polynomial 3x^3 – x^4 + 5x + 3.



Find the zero of the Polynomial , P(x) = a^2x,\,a \neq 0



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) =  3x^{2} -  1 ; x  = -\dfrac{1}{\sqrt{3}} , \dfrac{2}{\sqrt{3}}



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) =  3x  +  1 ; x = -\dfrac{1}{3}



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) = x^{2} -  1  ; x = 1  , -1



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) =l x + m ; x = - \dfrac{m}{l}



Write the degree of the following polynomial:
5t - \sqrt{7} .



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) =  x^{2} ; x  = 0



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) =  5x  - \pi ; x  = \dfrac{4}{5}



Write the degree of the following polynomial:
4 - y^{2} .



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) = (x  + 1) (x -  2),  x =  -1 , 2



Write the degree of the following polynomial:
5x^{3} + 4x^{2} + 7x .



If x - \sqrt{5} is a factor of the cubic polynomial x^{3} - 3 \sqrt{5} x^{2} + 13x - 3 \sqrt{5} , then find all the zeroes of the polynomial.



Verify whether the following are zeroes  of the polynomial , induce against them.
p (x) =  2x  + 1; x = \dfrac{1}{2}



Find the zero of the polynomial in each of the following cases ;
p (x) =  3x  -  2 



Write the degree of the following polynomial:
5y - \sqrt{2}.



State whether the following expression is a polynomials in one variable or not ? State reasons for your answers.
3



Write the degree of the following polynomial:
12 - 3x + 2x^{2}.



Write the degree of the polynomial:
9.



What is the zero of polynomial?



Find all the common zeroes of the polynomials : x^{3} + 5x^{2} - 9x - 45 and x^{3} + 8x^{2} + 15x .



Show that:
(i) (3x+7)^2-84x=(3x-7)^2

(ii) (9p-5q)^2+180pq = (9p+5q)^2

(iii) \left(\dfrac 43m-\dfrac 34n\right)^2 +2mn=\dfrac {16}{9}m^2+ \dfrac {9}{16}n^2

(iv) (4pq+3q)^2-(4pq-3q)^2=48pq^2

(v) (a-b)(a+b)+(b-c)(b+c)+(c-a)(c+a) = 0



Find the following squares by using the identities.
(i) (b-7)^2

(ii) (xy+3z)^2

(iii) (6x^2-5y)^2

(iv) \left(\dfrac 23 m + \dfrac 32n \right)^2

(v) (0.4p-0.5q)^2

(vi) (2xy+5y)^2



Verify whether the following are zeroes of the polynomial, indicated against them.
(i) p(x)=3x+1, x=-\displaystyle\frac{1}{3}
(ii) p(x)=5x-\pi, x=\displaystyle\frac{4}{5}
(iii) p(x)=x^2-1, x= 1, -1
(iv) p(x)=(x+1)(x-2), x=-1, 2
(v) p(x)=x^2, x= 0
(vi) p(x)=lx+m, x=-\displaystyle\frac{m}{l}
(vii) p(x)=3x^2-1, x=-\displaystyle\frac{1}{\sqrt 3},\frac{2}{\sqrt 3}
(viii) p(x)=2x+1, x=\displaystyle\frac{1}{2}



Use a suitable identity to get each of the following products.
(i) (x+3)\;(x+3)

(ii) (2y+5)\;(2y+5)

(iii) (2a-7)\;(2a-7)

(iv) \begin{pmatrix}3a-\dfrac{1}{2}\end{pmatrix}\;\begin{pmatrix}3a-\dfrac{1}{2}\end{pmatrix}

(v) (1.1m-0.4)\;(1.1m+0.4)

(vi) (a^2+b^2)\;(-a^2+b^2)

(vii) (6x-7)\;(6x+7)

(viii) (-a+c)\;(-a+c)

(ix) \begin{pmatrix}\dfrac{x}{2}+\dfrac{3y}{4}\end{pmatrix}\;\begin{pmatrix}\dfrac{x}{2}+\dfrac{3y}{4}\end{pmatrix}

(x) (7a-9b)\;(7a-9b)



Simplify: { (2x-3y) }^{ 2 }+12xy



prove that
{(3x+7)}^{2}-{(3x-7)}^{2}= 84x



Expand using binomial theorem (a+b)^{2}.



Give the zeros of polynomial and list their multiplicities:
P(x)=(x+2)(x-1)



\left[ \dfrac { 1 }{ 2 } x-\left( -\dfrac { 2 }{ 5 } y \right)  \right] \left[ \dfrac { 1 }{ 2 } x+\left( -\dfrac { 2 }{ 5 } y \right)  \right]



Solve:
(a+b)(a-b)+(b+c)(b-c)+(c+a)(c-a).



Expand { \left( a+5 \right)  }^{ 2 } using appropriate identity 



Find the zeros of the following quadratic polynomial:
p(x)=6x^{2}-7x-3



Prove that \left(\dfrac{4}{3}m-\dfrac{3}{4}n\right)^2+2mn=\dfrac{16}{9}m^2+\dfrac{9}{16}n^2.



If a=3,\ b=-3, find the value of 
(a-2)^{2}+(b-2)^{2}



Find the zeros of the following quadratic polynomial:
p(x)=4x^{2}+9x+5



Find the value of the unknown variable from the given equation
3={ \left( y-3 \right)  }^{ 2 }-{ \left( y+3 \right)  }^{ 2 }



Find the zeros of the following quadratic polynomials :
p(x)=x^{2}+4x-21



Prove the following result by using suitable identities.
{ \left( x-y \right)  }^{ 2 }+{ \left( y-z \right)  }^{ 2 }+{ \left( z-x \right)  }^{ 2 }=2\left( { x }^{ 2 }+{ y }^{ 2 }+{ z }^{ 2 }-xy-yz-zx \right) 



Find zeroes of the following polynomials and verify the relation between the zeroes
(a) 6x^{2}_{} + 5x -1
(b) 11x^{2}_{} -8x-3 



3 is a zero of P(x) = 3x^{3} - x^{2} - ax - 45.
Find a.



(16a^4)^2-(b^4)^2.



Check whether -2 and 2 are the zeros of the polynomial { x }^{ 4 }-16.



Find the zeros of the following quadratic polynomial:
p(x)=x^{2}-2x-8



Find the zeros, the sum and the product of zeros of p(x) = 4x^{2} + 12x + 5.



Obtain all zeroes of 2x^4+7x^3-19x^2-14x+30, if two of its zeroes are \sqrt{2} and -\sqrt{2}.



Solve : 5m^{2}-22m-15=0



Find the roots of 
4{ u }^{ 2 }+8u=0



Find the zeros, the sum of the zeros and the product of the zeros of the quadratic polynomial as follow:
p(x)=3x^{2}-x-4



Solve the following:
(3x+7)(3x-7)(9x^{2}+49)



Find the zeros and number of zeros of p(x) = x^{2} + 9x + 18.



Find the zeroes of the quadratic polynomial 
\sqrt{3}x^{2}-8x+4\sqrt{3}



Find the zeroes of the following polynomial:
5\sqrt 5 {x^2} + 30x + 8\sqrt 5



Solve the following:
(p+q)(p-q)(p^{2}+q^{2})(p^{4}+q^{4})(p^{8}+q^{8})



Solve the following:
\left(\dfrac {2}{3}x+7\right) \left(\dfrac {2}{3}x-7\right) \left(\dfrac {4x^{2}}{9}x+49\right)



Find the zero of the quadratic polynomial x^2-3, and verify the relationship between the zeros and coefficients.



Class 9 Maths Extra Questions