已知函数
(其中
,
是自然对数的底数).
(1)当
时,讨论函数
在
上的单调性;
(2)证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcd5d5c4a52e8ed7b99680ced8f1c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17dfeae5e3db3f0c6408d7e5ccbf900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca0f4d41cf6ae79c1e87ae5715b7857.png)
2023·四川成都·一模 查看更多[2]
更新时间:2022-12-14 14:17:18
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解答题-问答题
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适中
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【推荐1】已知函数
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(1)讨论
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(2)令函数
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解答题-证明题
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【推荐2】已知函数
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(I)求函数
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【推荐3】已知![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395859738624/1572395865972736/STEM/18acdfa068d94bfd92f7497bbd6ffe2b.png)
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【推荐1】已知函数
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解题方法
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解答题-证明题
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名校
解题方法
【推荐2】已知各项均为正数的数列
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