题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164225-43019.png)
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164215-75793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164215-47582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164216-88014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164216-78681.png)
(I)求椭圆C的方程;(II)过点(3,0)作直线l,与椭圆C交于A,B两点设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164216-35298.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164152-48615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164153-28466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164153-41552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164153-28275.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164153-68921.png)
(Ⅱ)已知点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164153-61252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164154-93066.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164154-73316.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164154-20222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164154-82188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164155-25531.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164153-68921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164155-84455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164155-72832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164155-28086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164155-31144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164156-96897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164156-37959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164156-32749.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164156-81053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164157-53898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164157-19942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-24556.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-11960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-15442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-28737.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-11960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164139-50877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164139-76086.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-11960.png)
(Ⅱ)已知直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164139-71300.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164139-47438.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-11960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164139-50091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164139-77923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164140-42464.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164140-21592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164140-20986.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164138-11960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164140-79950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164140-23901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164140-34116.png)
(ⅰ)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164141-40010.png)
(ⅱ)求四边形
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164141-87293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164141-61183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164130-91888.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164131-24870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164131-18147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164131-42935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164131-31729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164115-83472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164115-49154.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164115-37835.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164116-44057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164116-83225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164116-13820.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164116-66996.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164117-66444.png)
(Ⅱ)设过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164117-10822.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164117-36891.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164117-66444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164117-70328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164117-54038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164118-76530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164118-38805.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164118-31585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164118-55449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023164118-38805.png)
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