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6.設整係數方程式x4+2x3+bx2+cx+8=0有四個相異有理根,求序對 (b ,c )= (7)
問題詳情
6.設整係數方程式x4+2x3+bx2+cx+8=0有四個相異有理根,求序對 (b ,c )= (7)
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