名校
1 . 已知椭圆
:
(
)和双曲线
:
(
,
)有共同的焦点
,
,P是它们在第一象限的交点,当
时,
与
的离心率互为倒数,则椭圆
的离心率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679fff3c550021fdc85c2683d0af6405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.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/d124b231bf2cd3746f35e6c68cd7178f.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/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
21-22高二上·辽宁营口·期末
2 . 若
、
、
是三个雷达观察哨,
在
的正东,两地相距
,
在
的北偏东30°,两地相距
,在某一时刻,
观察哨发现某种信号,测得该信号的传播速度为
,
后
、
两个观察哨同时发现该信号,在如图所示的平面直角坐标系中,指出发出了这种信号的点
的坐标___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57601db9d81fffe2b6b472db94c3c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bd4f1b3a3f3e534c5c3b39266f1ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e79eddc377b5b870c035a594ddb769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f6524582d60e8a4ccbe45abf7713e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668376062074880/2668499676545024/STEM/7139d418-da26-4921-971f-0c08518af66d.png)
您最近一年使用:0次
解题方法
3 . 已知
,
是双曲线
(
,
)的左、右焦点,过
的直线
与双曲线
的左支交于点
,与右支交于点
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebffb099e1c95e341c340d979f3c49e4.png)
______ ,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/2c5c2e64358e0ec7aa142c336d970306.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608e5f16c69dc1c467678e795c3f1dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9092a8273b552fe175b28fbed6953837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebffb099e1c95e341c340d979f3c49e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
4 . 若
为双曲线
的左焦点,过原点的直线
与双曲线
的左、右两支各交于
,
两点,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d914ab4152ea3525a224ee09c160b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1595dbb60d8e282f4517d2d572b5d39f.png)
您最近一年使用:0次
2021-01-17更新
|
318次组卷
|
4卷引用:辽宁省葫芦岛市2020-2021学年高三上学期期末数学试题
名校
解题方法
5 . 已知双曲线
的左,右焦点分别为
,点
为双曲线右支上一点,线段
交左支于点
.若
,且
,则该双曲线的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85d02822aed80dc070e71f496310bd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab741564689758cb80d2a8ae0b7b0f3.png)
您最近一年使用:0次
2020-12-27更新
|
607次组卷
|
3卷引用:辽宁省辽南协作校2022-2023学年高二上学期期末考试数学试题
19-20高二·全国·课后作业
6 . 数学家华罗庚曾说过,“数缺形时少直观,形少数时难入微”,事实上,有很多代数问题可以转化为几何问题加以解决.如:与
相关的代数问题可以考虑转化为点A(x,y)与点B(a,b)之间距离的几何问题.结合上述观点,可得方程|
|=4的解为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857e119e78b58c91ef591171b96cf9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1708dbe513272bb9a002af1cf02a583.png)
您最近一年使用:0次
2020-11-06更新
|
565次组卷
|
11卷引用:辽宁省重点高中沈阳市郊联体2022-2023学年高二上学期期末考试数学试题
辽宁省重点高中沈阳市郊联体2022-2023学年高二上学期期末考试数学试题(已下线)【新教材精创】2.6.1+双曲线的标准方程-B提高练-人教B版高中数学选择性必修第一册(已下线)专题05+双曲线小题专项练习-2020-2021学年【补习教材·寒假作业】高二数学(人教A版2019)(已下线)专题13+双曲线小题专项练习-2020-2021学年【补习教材·寒假作业】高二数学(文)(人教A版)(已下线)专题13+双曲线小题专项练习-2020-2021学年【补习教材·寒假作业】高二数学(理)(人教A版)苏教版(2019) 选修第一册 必杀技 第三章 3.2.1双曲线的标准方程北师大版(2019) 选修第一册 必杀技 第二章 2.1 双曲线及其标准方程(已下线)专题3.2 双曲线-2021-2022学年高二数学课后培优练(人教A版2019选择性必修第一册)(已下线)3.2.1 (分层练)双曲线及其标准方程-2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)沪教版(2020) 选修第一册 新课改一课一练 第2章 2.3.1双曲线的标准方程(已下线)专题13 双曲线专项练习
解题方法
7 . 中心在原点的椭圆
与双曲线
具有相同的焦点
、
,P为
与
在第一象限的交点,
且
,若双曲线
的离心率
,则椭圆
的离心率
的范围是__________ .
![](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/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddf5a506a90d09af01b81db43f17e93.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/ff00fc29b9b9374935cf7bd256fb6234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d30990b10a78d6ca0eab5efee2a0e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607dd6baf515d91e4504031e43222ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
您最近一年使用:0次
8 . 已知双曲线
的左,右焦点分别为
,
,点P为双曲线C右支上异于顶点的一点,
的内切圆与x轴切于点
,则a的值为______ ,若直线
经过线段
的中点且垂直于线段
,则双曲线C的方程为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.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/0a9df1061c3ba5151ba2f7359acaf356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
您最近一年使用:0次
名校
9 . 已知中心在原点的椭圆与双曲线有公共焦点,左、右焦点分别为
、
,且两条曲线在第一象限的焦点为
,
是以
为底边的等腰三角形,若
,椭圆与双曲线的离心率分别为
、
,则
的取值范围是_______ .
![](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/0a9df1061c3ba5151ba2f7359acaf356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0f128d08df53efd55ce7f3822991e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b2bc0e32f8cec8c42b806cda181cc8.png)
您最近一年使用:0次
2020-01-20更新
|
673次组卷
|
4卷引用:2020届辽宁省盘锦市兴隆台区辽河油田第二高级中学高三上学期期末数学(文)试题
2020届辽宁省盘锦市兴隆台区辽河油田第二高级中学高三上学期期末数学(文)试题(已下线)专题9.8 直线与圆锥曲线位置关系(讲)-江苏版《2020年高考一轮复习讲练测》河南省南阳市第一中学2019-2020学年高三第十一次考试数学(理)试题第十四届高二试题(A卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
14-15高二上·辽宁大连·期末
名校
解题方法
10 . 过点
的双曲线
的渐近线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb9db4811f00073459c9c8cb7623f98.png)
为双曲线
右支上一点,
为双曲线
的左焦点,点
则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b5a6870989fc9272e4d37f9d0b6304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb9db4811f00073459c9c8cb7623f98.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55450b9333991a2e2630c41130a6e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508734095955bb96d52f37be4e681700.png)
您最近一年使用:0次
2020-01-11更新
|
630次组卷
|
5卷引用:2013-2014学年辽宁大连普通高中高二上学期期末考试理数学卷
(已下线)2013-2014学年辽宁大连普通高中高二上学期期末考试理数学卷(已下线)2013-2014学年辽宁大连普通高中高二上学期期末考试文数学卷宁夏石嘴山市第三中学2019-2020学年高二上学期期末考试数学(文)试题辽宁省大连市瓦房店市实验高级中学2019-2020学年高二上学期12月月考数学试题陕西省咸阳市实验中学2023-2024学年高二上学期第二次月考数学试题