已知
分别为双曲线
的左、右焦点,过
作一条渐近线的垂线,垂足分别为A,B,若四边形
的面积为8,则以下选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfffd420523729074995e9e55f464d4c.png)
A.![]() |
B.双曲线的离心率为![]() |
C.若双曲线的一条渐近线方程为![]() ![]() |
D.若双曲线的离心率![]() ![]() ![]() |
2021高三·江苏·专题练习 查看更多[3]
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更新时间:2021-04-27 01:46:58
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【推荐1】已知双曲线
,若圆
与双曲线
的渐近线相切,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d425a7131017df2ef6eb55cc7070caf.png)
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A.双曲线![]() ![]() |
B.双曲线![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.直线![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
【推荐2】已知双曲线
的右焦点为
,一条渐近线过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e501efaf72113fc8ee3d495004fa980.png)
A.双曲线![]() ![]() |
B.双曲线![]() ![]() |
C.若![]() ![]() ![]() |
D.若直线![]() ![]() ![]() |
您最近一年使用:0次
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解题方法
【推荐1】已知曲线
的焦点为
、
,点
为曲线
上一动点,则下列叙述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ed7e05456be13e274e93a167bbf71b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若曲线![]() ![]() ![]() |
D.若曲线![]() ![]() ![]() ![]() |
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【推荐2】已知
,
是椭圆
:
与双曲线
:
的公共焦点,
,
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与
的离心率,且P是
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A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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