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求极小值点的具体步骤注意是极小值点

2025-03-26 12:38:48

推荐回答（2个）

回答1：

步骤1求导
2令导数=0，解方程的解
3判断方程的解左侧导数＜0，右侧导数＞0解，即为函数的极值点。

回答2：

先求导，再让导函数等于0，求出极值点横坐标。再看原函数在该坐标左右的单调性即可判断极小值点还是极大值点。单调性相同的话就不是极值点。

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