已知函数
,
.
(1)当
时,求
的单调区间;
(2)当
时,若对任意
,都有
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765129f97e6dc87e4c1c8455160b6b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6850bb223adfcd537595b6c7de01d7b7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3485a6e16799fbeeda320f7f3e8db329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2017-04-14 16:55:35
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【推荐1】已知函数
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(1)求函数
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(2)若
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解题方法
【推荐2】已知函数
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(1)求函数
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(2)证明:
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【推荐1】已知函数
.
(1)若
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(1)若
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(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf90cf4872dc05f4c5d6e99bdb363668.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c6d7b93cf8ff761b3292bb97fd73d8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e50fb0508d9840952f352cd646f22a.png)
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【推荐3】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ba70b48aedfd52e2443e3bdcfbdf7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae4a780fd353099dbbf6984ca6630b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)若对于任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6582b8e5ef0c8a9838dc1b2d9cae4529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6141d2c90a326325eaf3926809f56b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6e720a3bf39395169f57f553199012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(3)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c17fe37f9c3ce9bdc000ed0e4b1fcc1.png)
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