CBSE Questions for Class 11 Engineering Maths Binomial Theorem Quiz 14 - MCQExams.com

The coefficient of x4x4 in the expansion of (1+x+x2+x3)11(1+x+x2+x3)11 is
  • 900900
  • 909909
  • 990990
  • 999999
In the expansion of (x2+1+1x2)n(x2+1+1x2)n, nNnN, then
  • number of terms= 2n+1
  • term independent of x=2n12n1
  • coefficient of x2n2x2n2= n
  • coefficient of x2x2= n
The coefficient of t50t50 in (1+t)41(1t+t2)40(1+t)41(1t+t2)40 is equal to
  • 1
  • 50
  • 81
  • 0
If the coefficients of second, third and fourth terms in the expansion of (1+x)n(1+x)n are in A.P.then the value of nn is:
  • 55
  • 66
  • 77
  • 99
The cooeficient of xnxn in the expension of (12x)1/2(12x)1/2
  • (2n!)2n(n!)(2n!)2n(n!)
  • (2n!)2n(n!)2(2n!)2n(n!)2
  • (2n!)2n+1(n!)2(2n!)2n+1(n!)2
  • (2n!)2n1(n!)2(2n!)2n1(n!)2
In the expansion of (3174+32)15(3174+32)15  the 11th11th term is a :
  • positive integer
  • positive irrational number
  • negative integer
  • negative irrational number
The value of m, for which the coefficients of the (2m+1)(2m+1) and (4m+5)th(4m+5)th terms in the expansion (1+x)10(1+x)10 are equal, is:

  • 3
  • 1
  • 5
  • 8
The number of terms in the expansion of (2x+3y4z)n(2x+3y4z)n ,is
  • n+1n+1
  • n+3n+3
  • (n+1)(n+2)2(n+1)(n+2)2
  • none of these
If the second, third and fourth terms in the expansion of (a+b)n(a+b)n are 135, 30 and 10/3 respectively, then the value of a is 
  • 3
  • 4
  • 5
  • 7
The sum of coefficients of integral powers of xx in the binomial expansion of (12x)n(12x)n is
  • 12(3501)12(3501)
  • 12(250+1)12(250+1)
  • 12(350+1)12(350+1)
  • 12(350)12(350)
The coefficient of a3b4c5a3b4c5 in the expansion of (bc+ca+ab)6(bc+ca+ab)6 is 
  • 40
  • 60
  • 80
  • 100
In the expansion of (3174+32)15(3174+32)15 the 11th term is a
  • Positive integer
  • positive irrational number
  • negative integer
  • negative irrational number
The coefficient of x9x9 in (x1)(x4)(x9)......(x100)(x1)(x4)(x9)......(x100) is 
  • -235
  • 235
  • 385
  • -385
If the third term in the binomial expansion of (1+x)m(1+x)m is 18x218x2, the the rational value of m is-
  • 22
  • 1212
  • 33
  • 44
If C0,C1,C2,.....,CnC0,C1,C2,.....,Cn are the binomial coefficients, then  2C1+23C3+25C5+...2C1+23C3+25C5+... equals
  • 3n+(1)n23n+(1)n2
  • 3n(1)n23n(1)n2
  • 3n+123n+12
  • 3n123n12
Number of different terms in the sum (1+x)2009(1+x2)2008+(1+x3)2007, is
  • 3683
  • 4007
  • 4017
  • 4352
The middle term of (x1x)2n+1
  • 2n+1cn.x
  • 2n+1cn
  • (1)n2n+1cn
  • (1)n2n+1cn.x
The coefficient of x49in the expansion of (x1)(x12)(x122).....(x1249) is equal to 
  • 2(11250)
  • +vecoefficientofx
  • vecoefficientofx
  • 2(11249)
The coefficient of x49 in the product (x1)(x3)(x99) is
  • 992
  • 1
  • 2500
  • 992
The number of terms in the expansion of  (x2+1+1x2)n,nN,  is :
  • 2n
  • 3n
  • 2n+1
  • None
If the number of terms in (x+1+1x)n(nI+) is 401, then n is greater then
  • 201
  • 200
  • 199
  • None of these
The coefficient x2in(1+2x+3x2+..)3/2 is
  • 21
  • 25
  • 26
  • None of these
In the expansion of (x31x2)n,nϵN, if the sum of the coefficient of x5andx10 is 0 then n is 
  • 25
  • 20
  • 15
  • none of these
The sum of the coefficients of even powers of  x  in the expansion of  (1+x+x2+x3)5  is
  • 512
  • 512
  • 1024
  • 1024
After simplification, the total number of terms in the expansion of (x+2)4+(x2)4 is-
  • 10
  • 5
  • 4
  • 3
The number of integral terms in expansion (23+85)256 is 
  • 32
  • 33
  • 34
  • 35
The number of distinct terms in the expansion of (x+y2)13+(x2+y)14 is
  • 27
  • 29
  • 28
  • 25
If r and n are positive integers; r>1,n>2, and the coefficient of (r+2)th term and 3rth term in the expansion of (1+x)2n are equal, then n equals
  • 3r
  • 3r+1
  • 2r
  • 2r+1
The coefficient of the term independent of x in the expansion of (1x)2(x+1x)10 is
  • 11C3
  • 10C3
  • 10C4
  • None of these
If x15x13+x11x9+x7x5+x3x=7 then 
  • x16 is 15
  • x16 is less then 15
  • x16 greater then 15
  • nothing can be said about x16
Number of irrational terms in the expansion of (2+3)15are
  • 9
  • 7
  • 16
  • 10
Total number of terms in the expansion of [(1+x)100+(1+x2)100+(1+x3)100] is 
  • 303
  • 201
  • 196
  • 301
Coefficient of x25 in (1+x+x2+x3+....x10)7 is 
  • 31C157.20C14
  • 31C147.20C14
  • 31
  • None of these
In the expansion of x2(x+λx2)10. The coefficient of x2 is 720 then λ is
  • 4
  • 9
  • 2
  • 3
The coefficient of 1x in the expansion of (1+x)n(1+1x)n is 
  • n!(n1)!(n+1)!
  • 2n!(n1)!(n+1)!
  • 2n!(2n1)!(2n+1)!
  • None of these
The coefficient of t t4 in (1t61t)3 is
  • 18
  • 12
  • 9
  • 15
The number of distinct terms in the expansion of (x+1x+x2+1x2)15 is/are
  • 255
  • 61
  • 127
  • Noneofthese
If x=1/3, then the greatest term in the expansion of (1+4x)8 is
  • 56(34)4
  • 56(43)4
  • 56(34)5
  • 56(25)4
(512+716)642 contains n integral terms then n is
  • 108
  • 106
  • 107
  • 109
The coefficient of x4yintheexpansionof(x1)(x12)(x122)......(x1249) is equal to
  • 2(11250)
  • +ve cocfficient of x.
  • -ve coefficient of x
  • 2(11249)
The coefficient of  x15  in the product of  (1x)(12x)(122x)(1215x)  is equal to
  • 21052121
  • 21212105
  • 21202104
  • none of these
The 13th term of (9x13x)18is
  • 17682
  • 18564
  • 18564x6
  • none of these
The coefficient of x98 in the expression of (×1)(×2).......(×100) must be
  • 12+22+32+.....+1002
  • (1+2+3+.....+1002)(12+22+32+.....+1002)
  • 12(1+2+3+.....+100)2(12+22+32+.....+1002)
  • none of these
The coefficient of x4 in (x23x2)10 is
  • 450263
  • 405256
  • 504259
  • none of these
the coefficient of x5 in the expansion of (1+x)10.(1+1x)20 is
  • 30C5
  • 10C5
  • 20C5
  • 30C20
The coefficient of xm in (1+x)p+(1+x)p+1+....+(1+x)n,pmn is
  • n+1Cm+1
  • n1Cm1
  • nCm
  • nCm+1
The sum of the remaining terms is the group after 2000th term in which 2000th term in 
  • 1088
  • 1008
  • 1040
  • none of there
The coefficient of x9 in the expansion of (1+x)(1+x2)(1+x3)....(1+x100) is____.
  • 2
  • 4
  • 6
  • 8
  • None of these.
The first integral term in the expansion of (3+32)9, is its
  • 2nd term
  • 3 rd term
  • 4th term
  • 5th term
The sum of the coefficients in the expansion of (1+x3x2)171 is 
  • 0
  • 1
  • -1
  • None of these
0:0:2


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