已知函数
.
(1)当
时,求
在
上的单调区间;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3709a0a62b0bd35f765377cd0b327019.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45372d974fd8c1341f339bc22f45f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32753e46d113c0441662a1bab558925.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
更新时间:2022-05-13 16:25:03
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(2)证明:
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(3)证明:
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【推荐2】已知函数
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace33c45ac605188cad67ad968dc05ea.png)
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
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