函数Y=X^3-3X+1 在[0,2]上的最大值,最小值
人气：437 ℃ 时间：2020-03-16 22:59:06
解答
求导：=3x^2-3=3(x^2-1)
x=1,最小值-1
x=0,y=1,x=2,y=3
最大值3
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