已知双曲线
的左、右焦点分别为
,
,点
在其右支上,
的内切圆为圆
,
,垂足为点
,
为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2c0a81a75bcf4aa78429ee4eb7497e.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee480aeccda981e1253a4dcca2dfba8.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5454784bfb1652054c0d8ba1e579ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2c0a81a75bcf4aa78429ee4eb7497e.png)
2021·河南新乡·一模 查看更多[5]
河南省新乡市2020-2021学年高三下学期2月一轮复习摸底考试数学(文)试题河南省新乡市2020-2021学年高三下学期2月一轮复习摸底考试数学(理)试题(已下线)押第15题 双曲线-备战2021年高考数学(文)临考题号押题(全国卷1)安徽省滁州市定远县民族中学2021届高三下学期5月模拟检测理科数学试题河南省开封市新世纪高级中学2021-2022学年高三下学期第一次月考数学试题
更新时间:2021-03-12 13:16:20
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【知识点】 利用定义解决双曲线中焦点三角形问题
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【推荐1】已知双曲线
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【推荐2】已知
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是双曲线C的两个焦点,P为C上一点,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2939cc2666fc45454ecaefb686b696a3.png)
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