1 . 已知函数
,
.
(1)讨论函数
的单调性;
(2)当
时,函数
有两个不同的零点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea400e6c5e28322f5b5c8f8522e1da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc80fc6d83395bf479026a4726194653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066bb2df7fb6ba52c87cbd293b0901e0.png)
您最近一年使用:0次
2023-04-16更新
|
477次组卷
|
2卷引用:海南省儋州市第三中学2022-2023学年高二下学期期中考试数学试卷
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2c766923ef1b7b4e6fe912f3d16f18.png)
(I)若
讨论
的单调性;
(Ⅱ)若
,且对于函数
的图象上两点
,存在
,使得函数
的图象在
处的切线
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2c766923ef1b7b4e6fe912f3d16f18.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006dd721f6e19ee105cf6e3a10b69c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad5ac20c98a285d4168c7b0c13a3c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d701701514d29d22d56e8a35f797d267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da291f6f010898ff1d488f7aed18512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d458446dc88bca644b546385f99dc0.png)
您最近一年使用:0次
2019-05-06更新
|
1851次组卷
|
5卷引用:2020届海南省儋州市第一中学高三上学期第二次月考数学试题