1 . 已知双曲线的一条渐近线方程为
,且虚轴长为2.
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若动直线
![](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/c5db41a1f31d6baee7c69990811edb9f.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
您最近一年使用:0次
2 . 已知双曲线
的虚轴长为2,其中一条渐近线方程为
.且
,
分别是双曲线的左、右顶点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/303c4c36-a167-4319-a470-98170dbb5b5a.png?resizew=199)
(1)求双曲线
的方程;
(2)设过点
的动直线
交双曲线
右支于
,
两点,若直线
,
的斜率分别为
,
.
①试探究
与
的比值
是否为定值.若是定值,求出这个定值;若不是定值,请说明理由;
②设
,
,
,若
,
(
),求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/303c4c36-a167-4319-a470-98170dbb5b5a.png?resizew=199)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540b40f9b5d7c2caa9d0ee70285d3622.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
①试探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4cf21e89fdb1aa37f554b75f793a018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25d1f0a677550bbeaf439241b7520c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4234175c2f92792ab2d298d45df37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843cf7c2ad0d74247ac618600972f03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18500510ecaebe820daddf57ac7cb100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b992104248a854e6e033c26602aff813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b8358533955a34c35db8b8045b4135.png)
您最近一年使用:0次
2024-01-10更新
|
862次组卷
|
3卷引用:湖南省长沙市第一中学2024届高三上学期月考数学试卷(五)
名校
解题方法
3 . 如图,双曲线
的离心率为
,实轴长为
,
,
分别为双曲线的左右焦点,过右焦点
的直线与双曲线右支交于A,B两点,其中点A在第一象限.连接
与双曲线左支交于点C,连接
分别与x,y轴交于D,E两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/daff0565-e480-42a4-90c9-4cdd03dc601b.png?resizew=171)
(1)求该双曲线的标准方程;
(2)求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.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/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/daff0565-e480-42a4-90c9-4cdd03dc601b.png?resizew=171)
(1)求该双曲线的标准方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
您最近一年使用:0次
2023-12-22更新
|
367次组卷
|
2卷引用:广东省佛山市第一中学2024届高三下学期开学预测数学试题(一)
名校
解题方法
4 . 已知双曲线的实轴长为4,离心率为
.过点
的直线l与双曲线C交于A,B两点.
(1)求双曲线C的标准方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a149da548c87b345e0672cd47c8a02bb.png)
您最近一年使用:0次
2023-10-19更新
|
1217次组卷
|
6卷引用:四川省眉山市仁寿县第一中学2023-2024学年高二上学期期末模拟考试数学试题
四川省眉山市仁寿县第一中学2023-2024学年高二上学期期末模拟考试数学试题(已下线)专题25 双曲线的简单几何性质9种常见考法归类(2)(已下线)专题12 双曲线的几何性质8种常见考法归类(3)江西省南昌市江西师范大学附属中学2024届高三上学期数学素养测试试题(已下线)考点16 解析几何中的定值问题 2024届高考数学考点总动员【练】(已下线)考点19 解析几何中的探索性问题 2024届高考数学考点总动员
解题方法
5 . 已知双曲线C
的渐近线方程为
,且C的实轴长为2.
(1)求C的方程;
(2)过右焦点F的直线与C的右支交于A,B两点,在x轴上是否存在点P(异于点F),使得点F到直线PA,PB的距离相等?若存在,求出点P的坐标:若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbaf1f37bbe245f3618bef9fabb75ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
(1)求C的方程;
(2)过右焦点F的直线与C的右支交于A,B两点,在x轴上是否存在点P(异于点F),使得点F到直线PA,PB的距离相等?若存在,求出点P的坐标:若不存在,请说明理由.
您最近一年使用:0次