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x^4-11x^2y^2+30y^4的因式分解
人气:195 ℃ 时间:2020-03-20 05:21:36
解答
x^4-11x^2y^2+30y^4
=(x^2-6y^2)(x^2-5y^2)
=(x-√6y)(x+√6y)(x-√5y)(x+√5y)
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