名校
解题方法
1 . 点
是双曲线
上的一个动点,点
到双曲线
的两条渐近线的距离分别为
,若
,则双曲线
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ce1534a372db7666711443631c4ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2f1c1409a06278e847e6b573cef254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774b560bc3aa37f7df9583db233307c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-12-11更新
|
694次组卷
|
4卷引用:云南省曲靖市罗平县第二中学2021-2022学年高二上学期期末数学试题
云南省曲靖市罗平县第二中学2021-2022学年高二上学期期末数学试题(已下线)模块一 专题4《圆锥曲线》单元检测篇 A 基础卷 期末终极研习室(高二人教A版)陕西省渭南市高级中学2023-2024学年高二上学期12月月考数学试题(已下线)期末精确押题之填空题(40题)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)
名校
解题方法
2 . 已知双曲线左,右焦点分别为
,点P为右支上一点,
,
,若
成等差数列,则该双曲线的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f200fa9f10062977b836847872c3d77b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4929db049671e294844c8302e670f2.png)
您最近一年使用:0次
名校
3 . 如图,已知双曲线
的左、右焦点分别为
是C上位于第一象限内的一点,且直线
轴的正半轴交于A点,
的内切圆在边
上的切点为N,若
,则双曲线C的离心率为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2a5441789d5d175af5d52645283278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56a64d6514ff711cfdf901949c253c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45187fb78a3db96aff5619366413f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f461a9507fb59d95bf00dde3e57b982f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e1f54a60265599ff224a65477c6597.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/9abe30c4-54d3-4ea5-a7e5-810ebe82bf17.png?resizew=158)
您最近一年使用:0次
2023-12-10更新
|
420次组卷
|
3卷引用:福建省连城县第一中学2022届高三上学期期末模拟考数学试题
名校
解题方法
4 . 已知双曲线
(
,
)的离心率为2,
,
分别是双曲线的左、右焦点,点
,
,点P为线段
上的动点,当
取得最大值和最小值时,
的面积分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/6fab7e1705115504b66ee143804a9c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47f7a5d368012fbcaa38ee71455c59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34005d3b709a89e3db6bb786bbfb2369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
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2023-12-10更新
|
216次组卷
|
3卷引用:【校级联考】福建省漳州市平和一中、南靖一中等五校2018-2019学年高二年级上学期第二次联考数学(理)试题
【校级联考】福建省漳州市平和一中、南靖一中等五校2018-2019学年高二年级上学期第二次联考数学(理)试题广东省东莞市第十高级中学2023-2024学年高二上学期12月期中考试数学试题(已下线)第21题 解几最值求有妙法,构造函数多方出击(优质好题一题多解)
名校
解题方法
5 . 已知双曲线
:
的左、右焦点分别为
,
,其右支上有一点
满足
,过点
向
的平分线引垂线交于点
,若
,则双曲线
的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa952b7ff3203afb24c07522821cdf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
分别是双曲线
的左、右焦点,点
在双曲线上,
,圆
,直线
与圆
相交于
两点,直线
与圆
相交于
,
两点.若四边形
的面积为
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b950a03d74e3c55bd8e75ef52fab8f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3e029070ad0d2ce680d5336ed7150a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c4bcdde05d890db5c562ce29138596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
解题方法
7 . 我们把形如
的函数称为类双勾函数,这类函数有两条渐近线
和
,它的函数图像是对称轴不在坐标轴上双曲线.现将函数
的图像绕原点逆时针旋转一定的角度得到焦点位于x轴上的双曲线C,则该双曲线C的离心率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9eb6c1ba9517cf6c3c7518be0a7841f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5693639d9ce7b554b794006d282c1aaa.png)
您最近一年使用:0次
2023·全国·模拟预测
解题方法
8 . 已知
为坐标原点,
为双曲线
的右焦点,过
的直线与
相交于
,
两点,
,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786910229b19156d072e88387f007d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
解题方法
9 . 已知双曲线
的焦点与椭圆
的焦点重合,离心率互为倒数,设
、
分别为双曲线
的左、右焦点,
为右支上任意一点,则双曲线
的离心率为______ ;
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e2443503354e2ff42b25b6c2e59d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b92a14b9d5a740cbf343cf2579e235.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09e9e828fd5995ddd4e5e605499541a.png)
您最近一年使用:0次
解题方法
10 . 已知
,
是双曲线
(
,
)的左、右焦点,以
为直径的圆与双曲线在第一、二象限的交点分别为
,
,若
,则双曲线的离心率为______ .
![](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/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175dbbff7bf59b3a420a29ad69d38e62.png)
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