题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-78377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-22454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-66612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-55407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-82339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132858-40685.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132858-39820.png)
解析
试题分析:设出直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-66612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132858-95899.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132858-40685.png)
设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-66612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132859-74601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132859-81111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132857-82339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132859-70814.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132859-51782.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132859-61519.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132900-62626.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132900-96272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132900-98001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132900-79751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132858-39820.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132847-29783.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132847-48334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132847-29407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132847-43165.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132842-55389.png)
A.椭圆 | B.双曲线 | C.抛物线 | D.圆 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-26945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-72921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-11889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-84968.png)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-63002.png)
(2)若过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-94999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-63002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132832-49858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132833-97695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132833-10650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132833-91057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132833-73294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132833-58806.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132833-38328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132825-14062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132825-94871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132825-23590.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132814-42895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132814-58504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132814-99721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132815-72177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132815-34245.png)
(1)求双曲线C的方程;
(2)求弦
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132815-72177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132817-38750.png)
(3)是否存在以
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132815-72177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023132815-72177.png)
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