已知函数
.
(1)试判断函数
在
上单调性并证明你的结论;
(2)若
对于
恒成立,求正整数
的最大值;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1415c90fda5b113d32651ecac1d5fb55.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f68c6ed09e483db6edf0b4caf5e252.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea345ec447ec62daad6b5b652c417152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ebd674cc3ffdb0909653916d392aa7.png)
2022·天津·模拟预测 查看更多[5]
天津市部分区2022届高三下学期高考前质检数学试题(已下线)2022年全国新高考II卷数学试题变式题13-16题(已下线)专题08 证明不等式问题2(已下线)2022年全国新高考II卷数学试题变式题20-22题(已下线)专题09 导数压轴解答题(证明类)-2
更新时间:2022-06-01 09:56:40
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