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