已知函数
,其中
为自然对数的底数.
(1)当
时,求函数
的单调区间;
(2)设函数
,证明:当
时,函数
有两个零点.注:函数
与
的图象有唯一公共点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2961a51b97c8ce3b6d216d5ca20195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20a11121e7ccc795552da69bb921071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db8f867196410e2828e2bbd3183b02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1780ef72776ea88e663ff619631014f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
更新时间:2022-12-27 10:04:18
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d119493e99a0249a4d55ff9add2bee.png)
(1)当
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(2)若
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(1)若
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(i)求
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(1)当
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【推荐1】已知
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(2)当
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(2)若
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