若x^3-6x^2+11x-6恒等于(x-1)(x^2+mx+n),求m、n的值.

发布时间:2021-02-21 13:07:11

若x^3-6x^2+11x-6恒等于(x-1)(x^2+mx+n),求m、n的值.

网友回答

(x-1)(x^2+mx+n)=x^3+(m-1)x^2+(n-m)x-n = x^3-6x^2+11x-6
n=6n-m=11
m-1 = -6
==>m = -5,n = 6
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