请问数学题,f（x的3次方）=x的3次方－3x+1的减区间为好多?
请问数学题,f（x的3次方）=x的3次方－3x+1的减区间为好多?
数学人气：427 ℃时间：2019-11-04 13:41:38
优质解答
（负无穷,-1）并上（1,正无穷）.对f（x的三次方）求导,移相后可得函数的导数
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