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1 . 已知函数
.
(1)若
的零点为2,求
;
(2)若对于任意的
都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce35840e1d4900cdbb6a43e272b4e98.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-12-15更新
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2卷引用:重庆市蜀都中学2020-2021学年高一上学期第四次月考阶段性测试数学试题