题目
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答案
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解析
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172026-54968.png)
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核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172017-15343.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172017-70751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172017-29313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172017-14675.png)
(1)求椭圆的方程;
(2)设直线l过F点(l不垂直坐标轴),且与椭圆交于A、B两点,线段AB的垂直平分线交x轴于点M(m,0),试求m的取值范围.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172008-69555.png)
(Ⅰ)求椭圆C的方程,
(Ⅱ)直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172008-32491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172008-90596.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172001-37089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023172002-78798.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171950-61549.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171950-78156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171950-46704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171950-76942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171951-95753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171951-97272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171950-78156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171951-39946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171951-75668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171951-50275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171952-19479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-28099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-13519.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-28099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-12880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-12880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-45918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-28099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171938-24510.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-28099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171938-96021.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171938-30604.png)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-28099.png)
(2)直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171938-84945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171938-51367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171937-28099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171938-63670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171939-75774.png)
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