Question

Evaluate : (a+√b)²(a-√b)²

Answer 1

@brainly..

we know that (a+b)(a–b)=a^2–b^2

Similarly,

Answer 2

[(a+_/b)(a-_/b)]^2 = (a^2 - b)^2
= a^4 + b^2 - 2(a^2)b