双曲线
左右焦点分别为
,右支上有点
,
的面积为4,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f6f8d2fd8bf155018e60db196323e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/4/37195b60-17d3-4ba4-9019-f9947c526d73.png?resizew=162)
A.双曲线![]() ![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
更新时间:2023-09-06 22:07:57
|
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【推荐1】已知
分别是双曲线
的左、右焦点,A为左顶点,P为双曲线右支上一点,若
,且
的最小内角为30°,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93df120ce587ab0256211f67882f5cd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.双曲线的离心率为![]() | B.![]() |
C.双曲线渐近线方程为![]() | D.直线![]() |
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【推荐2】已知
,
分别是双曲线
(
,
)的左、右焦点,双曲线左支上存在一点
,使
(
为实半轴长)成立,则此双曲线的离心率
的取值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aaccb73603d8b9ac75dfefa9d0ceed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.2 | C.![]() | D.5 |
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【推荐1】已知
、
是双曲线C:
的上、下焦点,点M是该双曲线的一条渐近线上的一点,并且以线段
为直径的圆经过点M,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acca1c00ee33a8d7aabf1d626541259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
A.双曲线C的渐近线方程为![]() |
B.以![]() ![]() |
C.点M的横坐标为![]() |
D.![]() ![]() |
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【推荐2】已知
,
是双曲线
的左、右焦点,过
作倾斜角为
的直线分别交y轴、双曲线右支于点M、点P,且
,下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ac3e1432957734d372d8485fb84de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fce11c8f36eea02659a7e51efbed1b.png)
A.![]() |
B.E的离心率等于![]() |
C.双曲线渐近线的方程为![]() |
D.![]() ![]() |
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【推荐3】双曲线C经过
,
两点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32dff2a70b9aed905fc4c7a1f4356129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a328731d0bf7c51c773fd7fb887d854c.png)
A.双曲线C的标准方程是![]() |
B.双曲线C的渐近线程为![]() |
C.双曲线C的焦点坐标是![]() ![]() |
D.双曲线C的离心率为2 |
您最近一年使用:0次
【推荐1】如图,已知双曲线:
的左右焦点分别为
,
,以
为直径的圆与双曲线在第一象限交于点B,连接
,
,
与双曲线左支交于点P,与渐近线分别交于点M,N,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/7/cd3112d2-af1b-4c47-9b43-369b201c274b.png?resizew=202)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bc68d208cd5e0c90a32851faf3814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/7/cd3112d2-af1b-4c47-9b43-369b201c274b.png?resizew=202)
A.![]() |
B.![]() |
C.过![]() |
D.点B到两条渐近线的距离的积为![]() |
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【推荐2】在平面直角坐标系
中,
分别是双曲线
的左、右焦点,过点
作
的一条渐近线的垂线,垂足为
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca47a4c144a18efff877fb70c08d28.png)
A.![]() |
B.![]() ![]() |
C.直线![]() ![]() |
D.![]() ![]() |
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