题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-14688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-41385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-43575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-20963.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-81621.png)
(2)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-75204.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-47443.png)
解析
试题分析:(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-81621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-81621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-81621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-43575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-57446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-71136.png)
试题解析:(1) 函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-57446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-25060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-15564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-43575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-63162.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-10954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-47443.png)
(2)由(1)知,
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-20177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-75204.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014344-34267.png)
设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014344-99809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014344-96123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014344-52868.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-20174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-50979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-30160.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-33850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-42044.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014346-81516.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-33850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-25060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014346-31660.png)
设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014346-52746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014346-71853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-79524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-24568.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-67834.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-12851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-29257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014348-99220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014348-46427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-29257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-25060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014348-40221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014345-33850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014347-29257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014343-25060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014348-80842.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014348-21632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014342-75204.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014335-84572.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014335-82465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014335-82172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014335-40654.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-73736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-45946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-23995.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-53818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-73933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-53818.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-45946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-91542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-18856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-35399.png)
(3)证明:对任意给定的正数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014324-37983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014325-64230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014325-36020.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014325-10195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014319-11174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014319-17213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014319-16045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014319-41793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014319-37292.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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