题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-13043.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-97106.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-13043.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-24240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-45415.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-86162.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130452-87784.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130452-95520.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130452-95520.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-13043.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130452-54703.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130452-89682.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130453-87317.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-45415.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130453-11178.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130451-13043.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130453-66898.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130453-14113.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130454-86386.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130454-63537.gif)
从而有:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130454-82416.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130454-60232.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130446-82974.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130446-50356.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130446-91323.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130446-50356.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130427-97792.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130427-44154.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130428-24681.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130428-52481.gif)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130427-97792.gif)
(2)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130428-57795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130428-96309.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130427-97792.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130429-11124.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130429-73875.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130427-44154.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130429-43787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130429-84355.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130429-43787.gif)
已知
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130412-75215.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130412-97837.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130413-32553.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130413-38881.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130413-43029.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130413-48951.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130413-78073.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130414-64804.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130414-19521.gif)
(Ⅰ)求椭圆的标准方程;
(Ⅱ)过椭圆的右焦点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130412-97837.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130414-36868.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130414-45002.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130401-34654.gif)
已知椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130401-11143.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130401-45529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130402-76357.gif)
(1)求椭圆C的方程;
(2)设A(3,0),M、N是椭圆C上关于x轴对称的任意两点,连结AN交椭圆于另一点E,求证直线ME与x轴相交于定点.
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-58536.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-86540.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-44041.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-90287.gif)
定点A(1,0).
(Ⅰ)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-44041.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-44041.gif)
(Ⅱ)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130353-90287.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130354-71101.gif)
求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022130354-35387.gif)
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