已知双曲线
(
,
)的右焦点为
,在线段
上存在一点
,使得
到渐近线的距离为
,则双曲线离心率的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24550b13dbecf7d86c7054250e987274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837b934b67937def1ce819b138994958.png)
A.![]() | B.2 | C.![]() | D.![]() |
更新时间:2023-01-09 19:35:45
|
【知识点】 求双曲线的离心率或离心率的取值范围
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【推荐1】如图,已知双曲线
的左、右焦点分别为
,左、右顶点分别为
,点
的坐标为
,
是双曲线的右支上的动点,则下列说法正确的是()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafb6a097a0aa621b58c2b54acdc5984.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067d7a214e84a9fc0dd19dd0d442a524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.若![]() ![]() |
B.若双曲线的离心率为![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.![]() ![]() |
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多选题
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较易
(0.85)
名校
解题方法
【推荐2】已知双曲线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
A.双曲线![]() ![]() |
B.双曲线![]() ![]() |
C.双曲线![]() ![]() |
D.双曲线![]() ![]() |
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