名校
解题方法
1 . 已知椭圆
,
的上顶点为A,两个焦点分别为
,离心率为
,过
且斜率为
的直线与
交于
两点,四边形
的面积为
,则四边形
的周长是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af87575981b83204b98109fb795b8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f9e5108cd9b46bb9fe05a4d1199ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af87575981b83204b98109fb795b8c4.png)
您最近一年使用:0次
2023-06-11更新
|
688次组卷
|
4卷引用:黄金卷06