Question

factorise a^4-(2a^2 b^2)+b^4​

Answer 1

Answer: After factorization the answer is (a²-b²)²

Step-by-step explanation:

given, $a^{4} -2a^{2} b^{2} +b^{4}$

=(a²)²-a²b²-a²b²+(b²)²

=a²(a²-b²)-b²(a²-b²)

=(a²-b²)×(a²-b²)

=(a²-b²)²