题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202457-31092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-85815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-12914.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-75696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-85815.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-89687.png)
解析
试题分析:平面内到
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-85815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-85815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202459-78974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-85815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202459-21245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202458-89687.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202437-44775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202437-13646.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-14149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-31742.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-99061.png)
(Ⅱ)设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-84470.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-99061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-85153.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-99061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202439-58642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202439-58642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202438-84470.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202425-96714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202425-35756.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202425-35756.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202426-72407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202426-60509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202426-63528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202426-41773.jpg)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202427-55543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202427-41527.png)
(Ⅱ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202427-34564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202427-32077.png)
(Ⅲ)求三棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202427-89922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202428-17131.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202421-40561.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202421-82129.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202411-88593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202411-92812.png)
(1)求圆的标准方程;
(2)设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202411-77219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202412-99460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202412-50339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202412-42563.png)
(3)在(2)的条件下,是否存在实数
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202412-42563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202412-45735.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202412-58533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022202413-84726.png)
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