已知函数
.
(1)当
时,求
的单调区间;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e6d4fad78e381b61d66551d55e069e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18419ab2d7cde42b1130e9894dc5b9e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929113f6f067ba092059968e7ef7b893.png)
更新时间:2022-03-21 16:29:20
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【推荐2】已知函数
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名校
解题方法
【推荐1】已知实数
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(2)若
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