函数
.
(1)求证:
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0867f46ef409cd8aed8e7ce3fd0358a.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75799d9df849036ac5c148eeafa96c8.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6380304f81c0af14b7721b9e60496bbc.png)
更新时间:2022-08-21 22:56:56
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