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解题方法
1 . 已知双曲线
右焦点为
,过
且垂直于x轴的直线与双曲线交于A,B两点,点
,若
为锐角三角形,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2855d0a2c217c344a0823bfc8f954d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a992f0cae01d21115c4b025688e0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
A.双曲线过点![]() |
B.直线![]() |
C.双曲线的一条渐近线![]() ![]() |
D.双曲线的离心率取值范围为![]() |
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2022-12-17更新
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4卷引用:吉林省通化市梅河口市第五中学2023-2024学年高二上学期第二次月考数学试题