已知函数
.
(1)当
时,求
的单调区间;
(2)若
在区间
的最小值为
,求a.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5058fbaab3e1446bf9f2c890a06d2a21.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459c84c9addfbd1cdd0a877ba7c584e4.png)
更新时间:2021-08-20 11:12:57
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a20d65924c367fac18225346e5c1c8e.png)
(Ⅰ)讨论
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(Ⅱ)证明:当
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解题方法
【推荐1】已知函数
.
(1)若函数
在
处取得极值
,求
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3dd7a0dd9951bfc5cd74290226e466a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f77d5c5fa06ec748e956e86c49cafb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da9c1bfbda9d5c8942cd737e2f4a6f0.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc185ab7230e6772894b88f48cdd1b4a.png)
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(1)若函数
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(2)若
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