Question

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

Answer 1

Answer:

Taking LHS( left hand side)

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

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

= a^4 + b^4

= RHS(right hand side)

hence proved