解题方法
1 . 设椭圆
的左、右焦点分别为
,
,点
在椭圆上,且
,
,
.过点
的直线交椭圆于
两点,且
关于点
对称,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f434c9d1e243f90bd9c5eac037017802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76898e3568d973a29541127b482df662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16f35b7f843e1eb4b1520ae06db7f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b85acb5a868b0ff2a17b1ca926dd43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.椭圆的方程为![]() |
B.椭圆的焦距为![]() |
C.椭圆上存在![]() ![]() ![]() |
D.直线![]() ![]() |
您最近一年使用:0次
2020-12-29更新
|
637次组卷
|
3卷引用:辽宁省抚顺市六校2020-2021学年高二上学期期末考试数学试题