名校
解题方法
1 . 已知函数
.
(1)若
,求函数
的极值;
(2)当
时,若对
,
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd04001d68fb2c7bce31c220f98a8bfd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f832d9cca2d5c9d76d38374e2a258d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61451cc73883c93bc9ab3ab00cae2d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f15802a8683020919d225220fcc8681.png)
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2023-03-18更新
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4卷引用:河南省三门峡市外国语高级中学2023-2024学年高三上学期11月阶段测试数学试题