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解题方法
1 . 已知函数
.
(1)若
在区间
上单调递增,求a的取值范围;
(2)证明:
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae48272779f294b8dd0b74ec94d0422.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1522e9d83de2b82983105a0fb3468f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83fd0c13ff68c422a80054b285ad6c0.png)
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2022-05-27更新
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1335次组卷
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3卷引用:湖南省岳阳市2022-2023学年高二下学期期末数学试题