1 . 已知双曲线
的中心为坐标原点,左焦点为
,离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/53503d6f-d3ea-48ea-82e9-1929beaf08d8.png?resizew=135)
(1)求
的方程;
(2)记C的右顶点为A,过点A作直线
与C的左支交于
两点,且
,
,
为垂足.证明:存在定点
,使得
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e47e3ecdff18bdbe66c366f19aeac1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/53503d6f-d3ea-48ea-82e9-1929beaf08d8.png?resizew=135)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)记C的右顶点为A,过点A作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d075e1f6049129308db0cc58e3916e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3342ceb71dc21a5e6150caad2ce0b029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7920d2550a6af7df3db60a33fe02c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5e0909915a39968fee2b2119c20b0c.png)
您最近一年使用:0次
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解题方法
2 . 已知双曲线
(
)的离心率为
,且经过点
.
(1)求E的方程;
(2)若A,B是E右支上的不同两点,O是坐标原点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92d2bbeed206ab7e8f3e237e0a8708e.png)
(1)求E的方程;
(2)若A,B是E右支上的不同两点,O是坐标原点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b0ba14e41e306e5633ad4bf1cdedd8.png)
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3 . 已知双曲线
的实轴长等于2,离心率
,
(1)求双曲线方程;
(2)过双曲线上一点M作直线MA,MB交双曲线于A,B两点,且斜率分别为
,若直线AB过原点,判断
是否为定值?若是,求出定值.若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0276541c12707b24d2f06ea3d976cf7.png)
(1)求双曲线方程;
(2)过双曲线上一点M作直线MA,MB交双曲线于A,B两点,且斜率分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
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解题方法
4 . 已知双曲线的两个焦点分别是
,点
是双曲线上的一点,
.
(1)求双曲线的标准方程
(2)写出该双曲线的实半轴长和虚半轴长、离心率、渐近线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0b0da26aac472886b8345cfb9bf8ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee836eccca46bf43a6e59d9da9277997.png)
(1)求双曲线的标准方程
(2)写出该双曲线的实半轴长和虚半轴长、离心率、渐近线方程.
您最近一年使用:0次
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解题方法
5 . (1)求符合下列条件的双曲线的标准方程:
①顶点在
轴上,两顶点间的距离是8,
;
②渐近线方程是
,虚轴长为4.
(2)斜率为1的直线
经过抛物线
的焦点
,且与抛物线相交于
、
两点.求线段
的长.
①顶点在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf225b4a29dc973d00c0d0dd76b45288.png)
②渐近线方程是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
(2)斜率为1的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-10-30更新
|
556次组卷
|
2卷引用:河北省衡水市第二中学2023-2024学年高二上学期四调数学试题
名校
解题方法
6 . 已知双曲线过点
和点
.
(1)求双曲线的离心率;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/ba7b6aa801fc7aafe2655d74cafa4654.png)
您最近一年使用:0次
2023-10-08更新
|
1963次组卷
|
14卷引用:河北省保定市部分高中2024届高三上学期10月联考数学试题
河北省保定市部分高中2024届高三上学期10月联考数学试题广西壮族自治区桂林市等3地2024届高三上学期跨市联合适应性训练检测(10月月考)数学试题湖南省名校2023-2024学年高三上学期阶段检测数学试题江西省萍乡中学、新余市第一中学2023-2024学年高二上学期创新班联考数学试题河南省新乡市长垣市第一中学2023-2024学年高三上学期10月月考数学试题黑龙江省鸡西市第十九中学2023-2024学年高二上学期11月期中考试数学试题(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重庆市永川北山中学校2023-2024学年高二上学期期中考试数学试题江苏省镇江市镇江第一中学2024届高三上学期12月阶段测试数学试题(已下线)3.2.2 双曲线的简单的几何性质(重难点突破)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)(已下线)通关练16 双曲线13考点精练(100题)- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)河南省漯河市实验高级中学2024届高三上学期1月阶段模拟测试数学试题(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)
解题方法
7 . 已知双曲线
:
的离心率为2,其左、右焦点分别为
,
,点
为
的渐近线上一点,
的最小值为
.
(1)求
的方程;
(2)过
的左顶点
且斜率为
的直线
交
的右支于点
,与直线
交于点
,过
且平行于
的直线交直线
于点
,证明:点
在定圆上.
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121fec86e29434bd4b9afe2656e38a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.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/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16c755ab3fea6ca99b13193a5d7e485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解题方法
8 . 双曲线
的左、右焦点分别是
,离心率为3,点
在双曲线上.
(1)求双曲线的标准方程;
(2)
分别为双曲线的左,右顶点,若点
为直线
上一点,直线
与双曲线交于另一点
,直线
与双曲线交于另一点
,求直线
恒经过的定点坐标.
![](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/18b8be17f85a59af85e474a6cdc4a471.png)
(1)求双曲线的标准方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fac9575a5985527e283f7295fdaf72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-05-22更新
|
668次组卷
|
4卷引用:河北省正定中学2023届高三模拟预测(二)数学试题
河北省正定中学2023届高三模拟预测(二)数学试题河北省衡水市部分重点高中2023届高三二模数学试题山西省朔州市平鲁区李林中学2024届高三上学期开学摸底数学试题(已下线)考点17 解析几何中的定点与定直线问题 2024届高考数学考点总动员【练】
9 . 已知点在双曲线
上,且
的离心率为
,直线
交
的左支于
,
两点,直线
,
的斜率之和为0.
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cb8698083098565f61cf73e5c47a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/98013a5042685a1db94249e70c62c09a.png)
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解题方法
10 . 设椭圆
的离心率与双曲线
的离心率互为倒数.
(1)求椭圆
的方程;
(2)若直线
交椭圆
于
两点,点
为椭圆
上的一点,求
的面积取最大值时的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3731196f6950cc5500d41b9c8f5b51fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73207781051cab9edfd99af7eda3400c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5948ef955150f17885b695f9f692a955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2023-04-13更新
|
386次组卷
|
4卷引用:河北省高碑店市崇德实验中学2023-2024学年高二上学期10月月考数学试题