过椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ce497f523bcc57854cf37b4d32c187.png)
右焦点
的圆与圆
外切,则该圆直径
的端点
的轨迹是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ce497f523bcc57854cf37b4d32c187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aab2189a2ba339749cdc8b7e96b357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.一条射线 | B.两条射线 | C.双曲线的一支 | D.抛物线 |
更新时间:2017-04-19 23:32:41
|
【知识点】 双曲线定义的理解
相似题推荐
单选题
|
适中
(0.65)
【推荐1】已知
,
是双曲线
的两个焦点,过
的直线
与圆
切于点
,且与双曲线右支交于点
,
是线段
的中点,若
,则双曲线的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8725396e8316c31c876f9fd08e05083f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40af87a5d4b92c7fb0c898cb0d63fe21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b96eda0601673fafb836643969914f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6412b3110a553a20d195d49fc1dae2b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】已知双曲线
右支上非顶点的一点A关于原点O的对称点为B,F为其右焦点,若
,设
且
,则双曲线离心率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d271d94616e94efa016526afd8ec575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869ec176db998d9490a349a2436cd458.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca7b095b5f58ecb37d89f445a04fa20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85721c42f605eda27739ebe2916c6f02.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次