求函数f(x)=x^3-2x^2+2的零点
问题描述:
求函数f(x)=x^3-2x^2+2的零点
我解到x^2(x-1)-(x-1)(x-2)
答
x^2(x-1)-(x-1)(x-2)
=(x-1)[x^2-(x-2)]
=(x-1)(x^2-x+2)
零点:1
x^2-x+2
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