题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044125-23646.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044126-60371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044126-72286.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044126-14781.png)
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044126-20474.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044126-45772.png)
切线方程为:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044127-53619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044126-14781.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044115-90339.png)
(Ⅰ)如果函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044115-73931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044115-71053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044116-88658.png)
(Ⅱ)是否存在正实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044116-88658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044116-59663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044116-90631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044116-93243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044116-88658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044106-14930.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044106-36373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044106-30102.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044106-28368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044106-77365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044107-72717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044057-42000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044057-53338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044057-83043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-56479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-13243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-26444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-70345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-72660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-96382.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-28040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-94331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-12796.png)
(1)求常数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-26444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-28040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044040-94331.png)
(2)求证:对于函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-19769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-29272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-76801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-67853.png)
(3)若存在
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-76801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044041-38103.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044042-44577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044025-41145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044025-73669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-53924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-94696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-90844.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-69639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-94043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-52635.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-52635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-21623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018044026-32074.png)
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