已知
,其中
.
(1)讨论函数
的单调性;
(2)证明:
,其中
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7829d012abc19fe8abb0d2d9061a36aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2277dfbd6b72f5d98285b24fd65c30b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9153fb853cd99beec9e600a4eaf73fe8.png)
2021·辽宁·模拟预测 查看更多[2]
更新时间:2021-06-26 21:47:11
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(2)若函数
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(1)若函数
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(2)已知
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(2)当
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(3)设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ab7295ee5ddbc64eea2d5b2f8661e8.png)
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【推荐1】已知函数
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(2)若
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(2)若
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