已知函数
,其中
,
是自然对数的底数.
(1)当
时,求曲线
在
处的切线方程;
(2)求函数
的单调减区间;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e952a9b9e5127d838cd98d096495c642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2019-06-14 21:34:56
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适中
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【推荐2】设函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34001041bb3cbe0ce8ec89efd0cd9df.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5ced9230a9cc4142f40dfc307aee06.png)
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适中
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