已知函数
.
(1)讨论函数
的单调性;
(2)若
,
,且存在不相等的实数
,
,使得
,求证:
且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f395f632bcb7977ae4b441612b9825e7.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e84dbb03e8c627ff11d5c7aeb0c8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd7f42a359a71921d90538146edc2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5f4aadc17b6d5c9760a75fab7fb760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096ade4d6ccc8f4c5512843a8960ad72.png)
更新时间:2019-05-18 21:54:27
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