已知椭圆
的离心率为
,短轴长为
.
![](https://img.xkw.com/dksih/QBM/2022/4/26/2966603967348736/2968382755479552/STEM/9af09b94f2de4946b5779949082326e1.png?resizew=209)
(1)求C的方程;
(2)如图,经过椭圆左顶点A且斜率为
的直线l与C交于A,B两点,交y轴于点E,点P为线段AB的中点,若点E关于x轴的对称点为H,过点E作OP(O为坐标原点)垂直的直线交直线AH于点M,且
面积为
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://img.xkw.com/dksih/QBM/2022/4/26/2966603967348736/2968382755479552/STEM/9af09b94f2de4946b5779949082326e1.png?resizew=209)
(1)求C的方程;
(2)如图,经过椭圆左顶点A且斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784b26de6134b6d3f5a81e2882a7d7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d74ef32584586ec4857acd0a3f4fe9.png)
更新时间:2022-04-29 06:53:05
|
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【推荐2】已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
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【推荐1】椭圆规是画椭圆的一种工具,如图1所示,在十字形滑槽上各有一个活动滑标M,N,有一根旋杆将两个滑标连成一体,
,D为旋杆上的一点且在M,N两点之间,且
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【推荐2】已知椭圆
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