(x²+y²)²-4x²y²因式分解怎么做?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 11:53:13
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(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
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 11:53:13
(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