已知函数
,
(1)若
,解关于x的不等式
;
(2)若对于任意
,![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/1aac379d87b24342b7ddbd5dfb4c52c3.png)
恒成立,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/74c82bd68e6046b1b907d4a26e769c53.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/13aa01c9fe5f4583bf9db043e0c9a131.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/55164e23c8c24da5b6d51f9d1765a56a.png)
(2)若对于任意
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/40cd1d3916a24f7b9c5206a2d6411d87.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/1aac379d87b24342b7ddbd5dfb4c52c3.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/d3a58fd0aa2f4ec19c1082f80f2c5e13.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222407467008/1572222413471744/STEM/9a42ee78bac7433e9e48065fab0f972c.png)
更新时间:2016-12-03 17:17:35
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【知识点】 导数在函数中的其他应用
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