已知函数
.
(1)若函数
在
上单调递增,求
的取值范围;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf69363bb10800f482dd12de5a2919cd.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74497a269523c5da53966918c8514dc.png)
更新时间:2022-05-18 12:25:50
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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/4cfd1c4cd1b930611dcdfc3101c25521.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐1】设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca7b2baa5fb8878cba2d9797cb2bca4.png)
(1)证明:当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca7b2baa5fb8878cba2d9797cb2bca4.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e98480afcf8ca7189be18f25bc4427.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/593ca73a66beb17da24691c7a0dc4bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02643ce836368cefeba91fdfe3ea2b3c.png)
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【推荐2】已知函数
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4eb10694a54696e4295d1887d27005.png)
(2)证明:当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e8f6ccc68df1a4d8bb5b7d2a82fc4f.png)
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