名校
解题方法
1 . 已知双曲线
的左、右焦点分别为
,
,P是双曲线E上一点,
,
的平分线与x轴交于点Q,
,则双曲线E的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c4088276acdbede4781b2ebc466366.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/b2dfb22c6f1c155747100e7536cd1abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f605e56f344918695bc793a614b899.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2023-04-09更新
|
2569次组卷
|
7卷引用:陕西省榆林市2023届高三三模文科数学试题
名校
解题方法
2 . 已知双曲线
的上、下焦点分别为
、
,过点
且与一条渐近线垂直的直线
与
的上支交于点
,且
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5651ad312b44662f444de95a6318826.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/2dfe8ef5b41a044e3548c077a6a53f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-25更新
|
1293次组卷
|
4卷引用:陕西省西安市第八十三中学等校2023届高三二轮复习联考(一)文科数学试题
名校
3 . 已知
是坐标原点,
是双曲线
的左焦点,平面内一点
满足
是等边三角形,线段
与双曲线
交于点
,且
,则双曲线
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/96c4088276acdbede4781b2ebc466366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c3b743769d19231c2165ec275bab1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4679e6d7be92bc79925afceba9689666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-25更新
|
895次组卷
|
5卷引用:陕西省部分名校2023届高三下学期高考仿真模拟文科数学试题
解题方法
4 . 设
,
分别是双曲线
的左、右焦点.
为双曲线
右支上一点,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/83bf4fd84818abac17a9d21237ac5ce5.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/42d7f9f941778a83e4c38f872cc5ad1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881bf39bbbd5d0e79eede042404f10c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-22更新
|
1249次组卷
|
6卷引用:陕西省安康市石泉县江南中学2022-2023学年高二下学期期中文科数学试题
名校
解题方法
5 . 已知双曲线
的左焦点为
,直线
与双曲线
交于
两点,且
,
,则当
取得最小值时,双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082990da1f11a1a7be4fc3935c0d526e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d025cbc3da4c94474ce6fabc2732852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddd8ce2ba8195d07d22f45b136e1f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9284c6963c86148fabaefda4bf8b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-14更新
|
2021次组卷
|
6卷引用:陕西省渭南市大荔县2022-2023学年高二下学期期末文科数学试题
解题方法
6 . 已知双曲线
:
(
)的左、右焦点分别是
,
,
是双曲线
上的一点,且
,若
,则双曲线
的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7453a4f98c7aef4f66f87782298b2b.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1f74cdcd09b3f03ee3849028c28fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-13更新
|
1115次组卷
|
3卷引用:陕西省榆林市2023届高三下学期二模文科数学试题
名校
解题方法
7 . 已知双曲线C:
的左、右焦点分别为
,
,过
的直线与圆
相切于点Q,与双曲线的右支交于点P,若线段
的垂直平分线恰好过右焦点
,则双曲线C的离心率为( )
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2023-02-28更新
|
1168次组卷
|
4卷引用:陕西省西安市周至县2023届高三下学期一模理科数学试题
名校
解题方法
8 . 已知
,
是双曲线
的上、下焦点,过
的直线交双曲线的上支于A,B两点,且
,
,则( )
![](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/c5651ad312b44662f444de95a6318826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473f096ac00ca01d1f696ba5f7ae32c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e30e7a42ac749291e8120f8db484858.png)
A.双曲线C的离心率为![]() | B.双曲线C的一条渐近线的斜率为![]() |
C.线段AB的长度为6a | D.![]() ![]() |
您最近一年使用:0次
2023-02-26更新
|
1288次组卷
|
11卷引用:陕西省榆林市绥德中学2023届高三下学期2月月考理科数学试题
陕西省榆林市绥德中学2023届高三下学期2月月考理科数学试题陕西省榆林市绥德中学2023届高三下学期2月月考文科数学试题河南省名师联盟2023届高三下学期2月质量检测(联考)文科数学试题四川省盐亭中学2023届高三第六次高考模拟检测数学理科试题四川省盐亭中学2023届高三第六次高考模拟检测数学文科试题河南省中原名校联盟2023届高三3月教学质量检测理科数学是试题(已下线)模块一 专题13 圆锥曲线的方程2江西省九江市2023届高三2月质量检测数学(理)试题九师联盟河北省2023届高三下学期2月联考理科数学试题九师联盟河北省2023届高三下学期2月联考文科数学试题文科数学-【名校面对面】河南省三甲名校2023届高三校内模拟试题(六)
名校
解题方法
9 . 已知
,
是双曲线
的左、右焦点,过
的直线与双曲线的左、右两支分别交于A,B两点,若
为等边三角形,则
( )
![](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/a2855d0a2c217c344a0823bfc8f954d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-24更新
|
380次组卷
|
2卷引用:陕西省铜川市2024届高三第二次质量检测数学(文科)试题
22-23高二上·陕西宝鸡·期末
名校
解题方法
10 . 设
为双曲线
的两个焦点,关于原点对称的两点
都在双曲线上,且满足
,则四边形
的面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1892b7c3cd7bea116f532f66fba44662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4df353cfa5078216d3916201e963012c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88174cf02c69a9b655a5682c3a15560f.png)
您最近一年使用:0次