题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120138-40821.png)
(1)如
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120138-75076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120138-79844.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120138-79844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120138-92714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120139-42065.png)
证明: o.
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120139-18769.png)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120139-87479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120139-57869.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120138-75076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120140-54050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120140-81014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120140-18462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120140-67978.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120141-41505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120141-99553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120141-22548.png)
从而
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120141-57070.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120141-55634.png)
由条件得:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120142-59068.png)
从而
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120142-10657.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120142-27224.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120142-39897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120143-53322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120143-76566.png)
故
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120143-60134.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120143-99805.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120144-32482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120144-95678.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120125-11489.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120125-51400.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120125-17591.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120126-10713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120126-85196.png)
(2)对(1)中的
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120126-85196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120126-83753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120126-80706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120127-40515.png)
(3)若点A
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120127-95015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120127-74750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120127-78853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120128-36329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120128-79823.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120120-74860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120107-92682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120107-36871.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120107-16758.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120108-87216.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120108-56638.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120108-84494.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120108-94368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120108-66561.png)
(3)对于任意的正整数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120109-62466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120109-57783.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120051-96003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120051-54591.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120052-25580.png)
(Ⅱ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120052-18164.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120040-22829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120041-98044.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120041-43853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120041-83680.png)
(2)若在区间
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120041-69643.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120041-51479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120042-38578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018120041-98044.png)
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