设函数
.
(1)当
时,解不等式
;
(2)若
的解集为
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d92d363472210e2281277aebd3bf1d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde124dcb539065039683ece9677c4a6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2388bd070365a21e9ca54174e2ac50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6536aa2b1b1857aa01552610bf252f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6b88ebba33b7b994577161c0710493.png)
更新时间:2020-04-17 18:43:22
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