(x²+y²)²-4x²y²因式分解怎么做?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/27 10:09:56
(x²+y²)²-4x²y²因式分解怎么做?(x²+y²)²-4x²y²因式分解怎么做?(x

(x²+y²)²-4x²y²因式分解怎么做?
(x²+y²)²-4x²y²因式分解怎么做?

(x²+y²)²-4x²y²因式分解怎么做?
(x²+y²)²-4x²y²
=x^4+y^4+2x²y²-4x²y²
=x^4+y^4-2x²y²
=(x²-y²)²