已知函数
.
(1)求函数
的单调区间;
(2)设
,求证:当
时,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dfecfb538daf99c2abd02045601d994.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc62e8733ac2da345d509e1428f0fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
更新时间:2021-10-10 07:34:46
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