已知函数
.
(1)讨论
的单调性;
(2)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0419be9d95a8d987895b7ce56a870fb7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e8b14f5898dd20c630ae5531a461ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-08-07 11:08:49
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ac7e3b2727eda190e3db76098b86af.png)
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