设
,且
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad668cfe37962d543aaab68b3837adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcc182451963fc22efff17d283883e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61fb23c9805127af72d6df33da3d5b9.png)
2023高三·全国·专题练习 查看更多[2]
更新时间:2023-04-08 12:29:07
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【推荐1】已知函数
.
(1)讨论
的单调区间;
(2)若函数
,
,
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85284b295953c5df842a3074406f4d5.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3420e6258ce4295ccb4958355e0c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b9082ee8dab6c1e4e325c9db6b9f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934b8dfea96c7e2d7398d91482f56ef7.png)
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