Question

(vi) (a^2 + b^2) (a^2 + b^2) – (a^2– b^2) (a^2- b^2)​

Answer 1

(a^4+2a^2b^2+b^4)-(a^4-2a^2b^2+b^4)

Step-by-step explanation:

a^4+2a^2b^2+b^4-a^4+2a^2b^2-b^4

=4a^2b^2