已知
、
分别为双曲线
的左、右焦点,且
、
、
成等比数列,
为双曲线
右支上一点,
为
的内切圆圆心.若实数
满足
(
表示相应三角形面积)恒成立,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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21-22高三上·全国·阶段练习 查看更多[4]
“超级全能生”全国甲卷地区2021-2022学年高三上学期11月联考数学(文)试题(已下线)专题41 圆锥曲线中必考的双曲线问题-备战2022年高考数学一轮复习一网打尽之重点难点突破(已下线)考点39 双曲线-备战2022年高考数学典型试题解读与变式(已下线)解密15 双曲线方程(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)
更新时间:2021-11-23 15:30:18
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【推荐1】已知双曲线
的右焦点为F,关于原点对称的两点A、B分别在双曲线的左、右两支上,
,
且点C在双曲线上,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7685a1adf5141e2c9bc1b5c376b04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768c2b6805db2a2055bede1b3dfd7a8e.png)
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【推荐2】设双曲线
的右焦点为
,以原点为圆心,焦距为直径长的圆与双曲线
在
轴上方的交点分别为
,
,若
,则该双曲线的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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【推荐1】已知双曲线
的左、右焦点坐标分别为
,过
作圆
的切线交
的右支于
点.若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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【推荐2】若圆
与双曲线
的一条渐近线相切,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837fbc4862ae7c699199535d991234a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
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【推荐1】已知双曲线
的左、右焦点分别为
,
,点
在双曲线上,且
,
的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
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【推荐2】
是双曲线
上一点,以线段
为坐标原点
为直径的圆与该双曲线的两条渐近线分别交于不同于原点的
,
两点,则四边形
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de2a493259311db775cc0a85fe3b6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6930b4577c47f9bd37531912b5824670.png)
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【推荐1】若点O和点
分别是双曲线
的中心和左焦点,点P为双曲线右支上的任意一点,则
的取值范围为( )
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【推荐2】已知双曲线
(
)上的点A,B关于原点对称,点P在双曲线上(异于点A,B),直线PA,PB的斜率满足
,则
( )
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