题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172548-14852.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172548-23834.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172538-13214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172539-55180.png)
(1)求椭圆C的方程;
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172539-82034.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172539-63156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172539-20910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172540-95990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172540-47717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172540-37212.png)
(3)在(2)的条件下,过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172540-37212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172539-20910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172540-53683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172540-12760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172541-17141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172524-84422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172524-67810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172524-86472.png)
(Ⅰ)求椭圆C的方程;
(Ⅱ)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172524-67988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-64385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-76217.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-94205.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-74189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-94205.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-74189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172525-70990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172509-69769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172509-82957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172509-75139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172509-59600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-79584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-94980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-71504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-97250.png)
(Ⅰ) 求椭圆的方程;
(Ⅱ) 若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-94980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-34057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172511-21255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172511-74915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-94980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172510-97250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172504-18932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172504-24227.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172504-50366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172504-45781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172458-42480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172458-25050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172459-64533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172459-94741.png)
A.12 | B.9 | C.8 | D.10 |
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