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Solve the polynomial equation:
x^5 - 5x⁴ - 4x³+ 36x²+ 27x - 135 = 0
人气:119 ℃ 时间:2020-06-22 00:46:05
解答
把135分解
得到1,3,5,9,15,27,45,135
根就在里面
用短除可以得到x=3
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