解题方法
1 . 设F1、F2分别为双曲线
的左、右焦点,若双曲线的右支上存在一点P,使
的三边长构成等差数列,则此双曲线的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee671ebdba8f465ce5a45c50bb7deb1.png)
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2 . 已知动圆M与圆C1:(x+5)2+y2=16外切,与圆C2:(x-5)2+y2=16内切,则动圆圆心的轨迹方程为___________ .
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2016-12-03更新
|
1105次组卷
|
3卷引用:2014-2015学年浙江省杭州地区七校高二下学期期中联考文科数学试卷
2014-2015学年浙江省杭州地区七校高二下学期期中联考文科数学试卷2015-2016学年河南省信阳高中高二12月考理科数学试卷(已下线)2.5.2 圆与圆的位置关系-2020-2021学年高二数学课时同步练(人教A版选择性必修第一册)
名校
3 . 已知定点A,B,且
=4,动点P满足
,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c8c9dea94fe1a83581ee6f717d3353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d063ec7f9dbeba72fabf4437f9400e07.png)
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2016-12-03更新
|
738次组卷
|
4卷引用:2014-2015学年山西省大同一中高二上学期期末理科数学试卷
2014-2015学年山西省大同一中高二上学期期末理科数学试卷沪教版(上海) 高二第二学期 新高考辅导与训练 第12章 圆锥曲线 12.5 双曲线的标准方程(已下线)广东省深圳中学2024届高三下学期二轮二阶测试数学试题四川省成都锦江区嘉祥外国语高级中学2024届高三第二次诊断性考试理科数学试题
13-14高二下·安徽·期中
4 . 已知双曲线的两个焦点为F1(-
,0)、F2(
,0),M是此双曲线上的一点,且
满足
·
=0,|
|·|
|=2,则该双曲线的方程是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://img.xkw.com/dksih/QBM/2014/5/16/1571723544510464/1571723549589504/STEM/0df425e62d7646818cd6bf08ec52bf54.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a5c784bb4ffeb0c1981b77a2b7b2e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa795497406a532e2a8759a3a79ee702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a5c784bb4ffeb0c1981b77a2b7b2e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa795497406a532e2a8759a3a79ee702.png)
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12-13高二下·山东济宁·阶段练习
名校
5 . 已知双曲线
的左、右焦点分别为
、
,过右焦点
的直线
交双曲线的右支于
、
两点,若
,则
的周长为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e27ca8752789a82ffcdb3b1c18cfd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d8d424f0da25f7198af8d878198be6.png)
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11-12高二下·江西宜春·阶段练习
名校
6 . 已知点
动点
满足
,当点
的纵坐标为
时,点
到坐标原点的距离为__
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6bfabadab8311e6cb13feefd1281cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be12586e077a28dd4ef7d29bb14f3a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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10-11高二上·江苏徐州·阶段练习
7 . 设椭圆C1的离心率为
,焦点在x轴上且长轴长为26,若曲线C2上的点到椭圆C1的两个焦点的距离的差的绝对值等于8,则曲线C2的标准方程为___________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954795d1842974a705f9468f3b952ab1.png)
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2011·重庆·一模
名校
8 . 给出以下4个命题:
① 曲线
按
平移可得曲线
;
② 若
,则使
取得最小值的最优解有无数多个;
③ 设
为两个定点,
为常数,
,则动点
的轨迹为双曲线;
④ 若椭圆的左、右焦点分别为
是该椭圆上的任意一点,延长
到点
,使
,则点
的轨迹是圆.
其中所有真命题的序号为 .
① 曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e609bfd91aaed0de4b064e4fb6361bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ced2d0a47bde59255f1adfe9a7252bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2030e3d8ffa470bb38292275ef20c0a9.png)
② 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a2cd4d541f8d78cf6978a2acde0177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
③ 设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87273771e7e542d8c443a00f5ad0c957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④ 若椭圆的左、右焦点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69527e7e2a0f0da785fc598c2bfceb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
其中所有真命题的序号为 .
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9-10高二·江苏淮安·阶段练习
解题方法
9 . 若点
是以
为焦点的双曲线
上一点,满足
,则
,则次双曲线的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6adab224b9e3552b032249e6149671.png)
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