Leadership

Mathematics

Eight Standard

Test your understanding of this lesson Algebraic Expressions | Multiplication of binomials and trinomials:-

1)
Product of (2x-3y) and (2x+3y) is
  • 4x^2 +9y^2
  • 4x^2-9y^2
  • 4x^2-6xy-9y^2
  • 2x^2-3y^2
2)
The product of (x^2+xy-2y^2) and (x-2y) is
  • x^3-x^2y-4xy^2+4y^3
  • x^3-3x^2y-4xy^2+4y^3
  • x^3+3x^2y+4xy^2-4y^3
  • x^3+xy^2+4x^2y-4y^3
3)
the volume of a rectangular box whose length=2x-5y breadth=x-2y and height=x+y is
  • 2x^3+11x^2y-xy^2+10y^3
  • 2x^3-7x^2y+xy^2+10y^3
  • 2x^3-7x^2y+xy^2+10x^3
  • 2x^3-7x^2y+19xy^2+10y^
4)
The value of (x^2-5x+8)(x^2+2x) when x=2 is
  • 16
  • 18
  • -2
  • 5
5)
(x^{2}+\frac{1}{x^{2}})(x-\frac{1}{x})=
  • x^3-x+\frac{1}{x}-\frac{1}{x^3}
  • x^3+x+\frac{1}{x}+\frac{1}{x^3}
  • x^3-x-\frac{1}{x}-\frac{1}{x^3}
  • x^3-x^2-\frac{1}{x^2}-\frac{1}{x^3}
Hand draw

You may like this videos

All rights reserved © 2024 tubelessons.net

Hide

Forgot your password?

Close

Error message here!

Hide

Lost your password? Please enter your email address. You will receive a link to create a new password.

Back to log-in

Close