名校
解题方法
1 . 已知椭圆
的焦点为
,
为
上一点,且点
不在直线
上,则“
”是“
的周长大于
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48526d38ba87a0c15e32e5fb87a6131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f409ce4e6aa8638fe5880009dbb732f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e61680ffc6f940bd5b8afda3ae9c59.png)
A.充要条件 | B.充分不必要条件 | C.必要不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-01-16更新
|
272次组卷
|
4卷引用:贵州省黔东南州2023-2024学年高二上学期期末检测数学试题
名校
2 . 若椭圆
上一点
到焦点
的距离为
,则点
到另一焦点
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547e5f876a14d8bded5ec2f7e657b911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
您最近一年使用:0次
2022-09-07更新
|
1738次组卷
|
8卷引用:贵州省晴隆县第三中学2023-2024学年高二下学期开学考试数学试题