CBSE Questions for Class 7 Maths Algebraic Expressions Quiz 7 - MCQExams.com

What is the product of the two values of x which satisfy $$\sqrt{x}+\sqrt{x}=x$$ ?
  • 4
  • 0
  • 2
  • $$\sqrt{2}$$
What must be subtracted from $${x^2} + 2{x^2} - 3x + 7$$ to get $${x^3} + {x^2} + x - 1?$$
  • $${x^4} - {x^3} + {x^2} - 4x + 8$$
  • $${x^3} + {x^2} - 4x + 8$$
  • $${x^4} - {x^3} + {x^2} + 4x - 8$$
  • $${x^4} - {x^3} - {x^2} + 4x - 8$$
0:0:1


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