椭圆
上一点
到一个焦点的距离为
,则点
到另一个焦点的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12128861429c6426321596204b787cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-02-27 06:27:34
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【知识点】 椭圆定义及辨析
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单选题
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容易
(0.94)
名校
【推荐1】设定点
,动点P满足条件
(m为常数,且
),则点P的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110d19539bcfd6480ef92a373d8597a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf128a392e1546a09f4b7f4648b3ae22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bda892497cea43df67db57b4e2a07a.png)
A.椭圆 | B.线段 | C.不存在 | D.椭圆或线段 |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】已知点
为椭圆
上一点,
为该椭圆的两个焦点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d12ebd10f6c0bcf98be52c32b107f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f977940552e09f59ea959965522dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
A.1 | B.5 | C.7 | D.13 |
您最近一年使用:0次