1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64134e40ab28c2411d4b2f0a4ac1c56b.png)
(1)讨论
的单调性;
(2)若对任意
,关于x的方程
恒有正数解,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64134e40ab28c2411d4b2f0a4ac1c56b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb101c5df08aa35ae24a6416840b199b.png)
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2023-09-05更新
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925次组卷
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4卷引用:广东省2024届高三上学期新高考联合质量测评9月联考数学试题