Question

(a^2+b^2)^2-4a^2b^2进行因式分解

Answer 1

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

Answer 2

(a²+b²)²-4a²b²
=(a²+b²-2ab)(a²+b²+2ab)
=(a-b)²(a+b)²
=(a²-b²)²