已知函数
,
且
.
(1)讨论
的单调性;
(2)若
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f7bc44601553dd5e49f2e599579db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92477439d2694f0ec183b84a07db601d.png)
更新时间:2022-05-01 21:33:20
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【推荐2】已知函数
,a∈R.
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【推荐2】已知函数
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(2)若函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2239c0143d0215f248e67358e87be155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c0a8155f5a6af42d37856f6c95a0bc.png)
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