已知函数
.
(Ⅰ)求函数
的单调区间;
(Ⅱ)当
时,对任意的
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08516cb32e7f87477bb8fd227c59d7f0.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a0a547c81fe36ab8c3ea79622ce7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27aa2002da503a9013bde322931fdc40.png)
更新时间:2018-12-23 15:32:25
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(1)若
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d963721ba73f4233eb0426e8a1823.png)
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解答题-证明题
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24dbb73108a65ce222beaa73a6766d5e.png)
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【推荐1】已知函数
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(2)设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
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解答题-证明题
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较难
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解题方法
【推荐2】已知函数
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![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500753498112/1572500759470080/STEM/a80d2b681d264b0ab4f5350be19f2769.png)
(1)若g(2)=2,讨论函数h(x)的单调性;
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![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500753498112/1572500759470080/STEM/7dcb5634e25e441d88c3658e226f7804.png)
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