题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193344-18538.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193344-70210.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193344-62367.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193344-68530.gif)
⑴ 求椭圆的标准方程;
⑵ 过椭圆的左焦点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193345-46441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193345-18098.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193345-33812.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193345-62337.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193345-18098.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193346-82997.gif)
⑵
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193346-59027.gif)
解析
(2)略
核心考点
试题【(满分13分)已知椭圆中心在原点,焦点在x轴上,离心率,点分别为椭圆的左、右焦点,过右焦点且垂直于长轴的弦长为⑴ 求椭圆的标准方程;⑵ 过椭圆的左焦点作直线,交】;主要考察你对椭圆的定义与方程等知识点的理解。[详细]
举一反三
椭圆C:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193336-46907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193337-10003.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193337-32845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193337-26851.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193337-36518.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-97264.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-62964.gif)
(1) 求椭圆C的方程;
(2) 若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-74078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-66983.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-46672.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193339-85845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193339-24396.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193339-85845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193339-24396.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-46672.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193338-74078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193333-64443.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193334-97620.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193334-37032.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193334-56789.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193319-61283.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193320-69855.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193320-35231.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193320-97661.gif)
(I)求椭圆的方程;
(II)已知点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193320-33645.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193320-18771.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193321-80466.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193321-86319.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193321-53523.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193320-35231.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193322-12733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193322-62854.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193322-97517.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193322-96748.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193323-23161.gif)
( )
A.![]() | B.![]() | C.![]() | D.2 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193244-98353.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193245-98858.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023193245-16052.gif)
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