题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014926-83398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014927-51942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014927-43828.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014927-75724.png)
解析
试题分析:因为函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014926-83398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014927-12435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014927-88173.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014914-78104.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014914-49252.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014914-91858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014914-39897.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014915-56759.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014915-98473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014915-14558.png)
求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014915-90776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014904-74742.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014905-87480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014905-64081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014905-87480.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014905-87480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014905-41935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014905-69755.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014838-92945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014838-82839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014838-93707.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014839-31052.png)
(2)若关于
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014839-68118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014839-84558.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014844-79641.png)
(3)数列
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014845-86593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014845-22657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014845-92476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014845-32182.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014830-60917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014831-67408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014831-55193.png)
(1)若x=3是
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014831-41740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014831-41740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014831-77014.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014831-31550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014832-85208.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014821-97040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014821-11156.png)
⑴若a=2,b=1,求函数f(x)的极值;
⑵设g(x)=a(x-1)ex-f(x).
①当a=1时,对任意x
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014821-11156.png)
②设g′(x)为g(x)的导函数.若存在x>1,使g(x)+g′(x)=0成立,求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018014821-64691.png)
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