已知
,
是双曲线
:
的左、右焦点,过
作倾斜角为45°的直线分别交y轴与双曲线右支于点M,P,
,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/2a30f3a8b673cc28bd90c50cf1a35281.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/42f5735fe060c00f24a7da6f9a50da34.png)
A.![]() | B.![]() |
C.E的离心率等于![]() | D.E的渐近线方程为![]() |
更新时间:2022-12-15 19:58:24
|
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适中
(0.65)
【推荐1】已知双曲线
:
的左、右焦点分别为
,
,
是
右支上一点,下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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A.若![]() ![]() ![]() ![]() ![]() |
B.若点![]() ![]() ![]() |
C.过![]() ![]() ![]() ![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() |
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适中
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【推荐2】已知
双曲线
的左、右焦点,点
在
上,设
的内切圆 圆心为
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,直线
交
于
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,
则( )
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A.![]() | B.圆心![]() |
C.![]() | D.![]() |
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适中
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解题方法
【推荐1】已知
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为平面上一点,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
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A.当![]() ![]() ![]() |
B.当点![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() ![]() |
D.当点![]() ![]() ![]() ![]() ![]() ![]() |
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适中
(0.65)
名校
解题方法
【推荐2】已知双曲线
,其焦点
到渐近线的距离为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff41b0435e120094baed2e8e37353ec.png)
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A.双曲线![]() ![]() | B.双曲线![]() ![]() |
C.双曲线![]() ![]() | D.双曲线![]() ![]() |
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适中
(0.65)
【推荐1】已知双曲线
的左右焦点分别为
,
,
为双曲线右支上的点,若
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60dcb279eb7aaf449db5a2ea56a6ca70.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34909224dd715ceda3e2cec0f8b0797e.png)
A.离心率为![]() | B.渐近线方程为![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
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【推荐2】已知双曲线
的左、右焦点分别为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
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A.C的渐近线方程为![]() |
B.C的离心率为![]() |
C.若点![]() ![]() ![]() |
D.C上存在点P,使得![]() |
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