分解因式(x²+y^4)²-4x^4y^4

问题描述:

分解因式(x²+y^4)²-4x^4y^4

(x²+y⁴)²-4x⁴y⁴
=(x²+y⁴)²-(2x²y²)²
=(x²+y⁴+2x²y²)(x²+y⁴-2x²y²)