已知函数
在点
处的切线与直线
平行.
(1)求
的值;
(2)若函数
在区间
上不单调,求实数
的取值范围;
(3)求证:对任意
,
时,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61082b7e56bb497b4fa348427024dcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e5694c2f33033cced4e29d3152c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bade5e774c30e5ab9b601a8031377d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987ee644169ad93379283ae715d8ebf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d648ea76ce95c8142ba6179aa90335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6023e8dbbcc4b8ea21efb56c4ff2450b.png)
更新时间:2017-11-27 16:58:49
|
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【推荐1】已知
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