已知椭圆
和双曲线
有相同的焦点
,离心率分别为
,且
,若P是两条曲线的一个交点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c406c942d1cf93b68e69842743520578.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f994a876391534efe497dc115a53e3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07ae090bfe96ec77d674e4d4fdca27e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c406c942d1cf93b68e69842743520578.png)
23-24高三上·山西大同·阶段练习 查看更多[4]
山西省大同市2024届高三上学期第二次摸底(10月)数学试题山东省青岛第五十八中学2023-2024学年高二上学期期中考试数学试卷安徽省淮北市树人高级中学2023-2024学年高二上学期期中数学试题(已下线)3.2.2 双曲线的简单的几何性质(AB分层训练)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)
更新时间:2023-10-26 14:59:36
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【推荐1】
中,角
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,若
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【推荐2】已知
的内角
、
、
的对边分别为
、
、
,面积为
,满足
,
.若
,则
的周长为______ .
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【推荐1】我们把焦点相同且离心率互为倒数的椭圆和双曲线称为一对“相关曲线”.已知
,
是一对相关曲线的焦点,
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分别是椭圆和双曲线的离心率,若P为它们在第一象限的交点,
,则双曲线的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ced3c956c7292540692adf70b41fd4.png)
______ .
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【推荐2】已知椭圆
与
轴交点为
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在曲线
上且
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________
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【推荐1】已知双曲线
的左、右焦点分别为
,
,点A是双曲线右支上的一点,若直线
与直线
平行且
的周长为9a,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
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【推荐2】如图,过双曲线
的左焦点
引圆
的切线,切点为
,延长
交双曲线右支于
点,
为线段
的中点,
为坐标原点,若
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【推荐1】在△ABC中,
,点H在线段BC上,
,
,则过点C,以A、H为两焦点的双曲线的离心率为_____
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【推荐2】已知双曲线
的一条渐近线与圆
相交于
,
两点,且
,则双曲线
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