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因式分解 (15日 18:55:16)
在实数范围内因式分解:m^4一5m^2十6
人气:334 ℃ 时间:2020-04-05 00:58:05
解答
m^4一5m^2十6
=(m²-2)(m²-3)
=(m+√2)(m-√2)(m+√3)(m-√3)
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