Question

what is the identity plz answer me fast.

Answer 1

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

Answer 2

 a ^ 4 + b ^ 4 = ( a ^ 2 +b ^ 2 ) ^ 2 - 2 (a ^ 2 x b ^ 2) Ans ...........