Question

prove the following..(a²+b²)² - 2 a² b²= a power 4 + b power 4​

Answer 1

Answer:

LHS

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

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

= a^4+b^4

=RHS , hence proved