Question

evaluate the following using identities:

1. (2x + y)(2x - y)
2. (a^2b - b^2a)^2​

Answer 1

Answer:

1.

(2x)²-(y)²

=4x²-y²

Answer 2

1)( 2x^2 -y^2)
2)a^4b^2+ b^4a^2-2a^3b^3