已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e75b9256386529275112c3d24230d5.png)
(1)若
,求函数
的单调区间;
(2)若
存在最大值,求最大值
和
的取值范围.
(3)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e75b9256386529275112c3d24230d5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f88a76f947e7022ef0c5efd6db060c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6aa66b1b714f6f430c8b37d20efa479.png)
更新时间:2023-12-15 16:58:04
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