题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060115-45447.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060115-55470.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060115-84595.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060115-38574.gif)
求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060115-65349.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060116-73684.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060115-84595.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060116-21628.gif)
所以切线方程为
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060116-97864.gif)
即
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060116-54373.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060116-73684.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-72728.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-86173.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-72728.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-61833.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-18830.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-15343.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-86173.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060118-68482.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060117-18830.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060118-42175.gif)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060101-78557.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060101-52277.gif)
若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060101-16338.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060102-23590.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060050-70683.gif)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060050-75704.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060050-58447.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060051-10630.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060051-30043.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060051-73081.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-97021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-52470.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-38286.gif)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-71846.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-99852.gif)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-46053.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-23148.gif)
(3)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-13868.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-54599.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-69910.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060037-96932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060020-13537.gif)
(1)求证:函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060020-70063.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060020-87986.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060021-10111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060021-99321.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060021-96350.gif)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060021-27636.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060021-99321.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060021-54240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060022-69153.gif)
有无穷多个.
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060011-77378.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060012-29527.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060012-17477.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060012-56326.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060012-76095.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060013-55041.gif)
(3)若对
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060013-89481.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060013-71224.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018060013-20021.gif)
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