解题方法
1 . 如图,在平面直角坐标系
中,已知双曲线
:
的右焦点为
,左、右顶点分别为
,
,过
且斜率不为0的直线
与
的左、右两支分别交于
、
两点,与
的两条渐近线分别交于
、
两点(从左到右依次为
、
、
、
),记以
为直径的圆为圆
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/07d8fe6f-6f3b-42b6-ae79-d601cc849399.png?resizew=149)
(1)当
与圆
相切时,求
;
(2)求证:直线
与直线
的交点
在圆
内.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767187f446dedae821d58facd64aed6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5660be1b6e0d3d1cab756d6f8f5855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473913c0887bb64d386f4c02f1853452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/07d8fe6f-6f3b-42b6-ae79-d601cc849399.png?resizew=149)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca04f7af5df5606674310523b55f92.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e935bb9d7b7115429edbd1e7469af65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc48974114e23f5a801843710c7ae21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆E的中心为坐标原点,对称轴为x轴、y轴,且过
两点.
(1)求E的方程;
(2)设过点
的直线交E于M,N两点,过M且平行于x轴的直线与线段AB交于点T,点H满足
,证明:A,H,N三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3f6d02b6ee69eba00903db57984465.png)
(1)求E的方程;
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57f41842628a2f1138a9f0e7939fb20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84594e725612627ce035c87451ba3ae5.png)
您最近一年使用:0次
名校
3 . 画法几何的创始人——法国数学家蒙日发现:在椭圆
中,任意两条互相垂直的切线的交点都在同一个圆上,它的圆心是椭圆的中心,半径等于长、短半轴平方和的算术平方根,这个圆就称为椭圆C的蒙日圆,其圆方程为
.已知椭圆C的离心率为
,点A,B均在椭圆C上,直线
,则下列描述正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833bf16f0161259e9d973dbdd5c6b18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659135b1133b87821c5ace5858a2ece5.png)
A.点A与椭圆C的蒙日圆上任意一点的距离最小值为b |
B.若l上恰有一点P满足:过P作椭圆C的两条切线互相垂直,则椭圆C的方程为![]() |
C.若l上任意一点Q都满足![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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2023-12-13更新
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3卷引用:江苏省苏州园三2023-2024学年高二上学期12月月考数学试题
名校
解题方法
4 . 已知双曲线
经过点
,且离心率为2.
(1)求
的方程;
(2)过点
作
轴的垂线,交直线
于点
,交
轴于点
.设点
为双曲线
上的两个动点,直线
的斜率分别为
,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f1828bca46b9aeddd39374af8c2bd0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11449658adfc07dcf4fc0b25e7ed7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec7bcf5820dfe70290259c2d7ac1ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb8d1faf0a64ba1cb2e7743be34d4a2.png)
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2023-06-18更新
|
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9卷引用:江苏省苏州市相城区陆慕高级中学2024届高三上学期12月阶段性教学质量调研测试数学试题
江苏省苏州市相城区陆慕高级中学2024届高三上学期12月阶段性教学质量调研测试数学试题江苏省四所百强中学(南京师大附中等)2022-2023学年高二下学期6月月考数学试题江苏省南京师范大学附属中学2022-2023学年高二下学期期末数学试题江苏省镇江市句容高级中学2023-2024学年高二上学期10月强基班学情调查数学试题江苏省南京市六校联合体2023-2024学年高三上学期11月期中数学试题江西省宜春市宜丰县宜丰中学2024届高三上学期12月月考数学试题(已下线)江苏省南京市六校联合体2023-2024学年高三上学期11月期中数学试题变式题19-22新疆维吾尔自治区石河子市第一中学2023-2024学年高二上学期12月月考数学试题河南省郑州市宇华实验学校2024届高三上学期12月月考数学试题
名校
解题方法
5 . 已知动圆过点
,且与直线
相切,设动圆圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过
上一点
作曲线
的两条切线
,
为切点,
与
轴分别交于
,
两点.记
,
,
的面积分别为
、
、
.
(ⅰ)证明:四边形
为平行四边形;
(ⅱ)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421a28dc3675ae20190d6090793246e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42502a5730e1930d77d7100d1e34707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/bef6516358878a47560b1d9eff2d5c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2711907ebea07f0bafae5137dd0c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
(ⅰ)证明:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01fb717d22a25294c15670ac5df0983.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7f4f6f85b0a2c0905c9a2c13a2ab48.png)
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2023-05-12更新
|
2068次组卷
|
4卷引用:江苏省苏州市南京师大苏州实验学校2024届高三上学期阶段测试(五)数学试题
名校
解题方法
6 . 已知双曲线
的焦距为10,且经过点
.A,B为双曲线E的左、右顶点,P为直线
上的动点,连接PA,PB交双曲线E于点C,D(不同于A,B).
(1)求双曲线E的标准方程.
(2)直线CD是否过定点?若过定点,求出定点坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0a64af5faff8f83020a174b1f84ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(1)求双曲线E的标准方程.
(2)直线CD是否过定点?若过定点,求出定点坐标;若不过定点,请说明理由.
您最近一年使用:0次
2023-03-01更新
|
2207次组卷
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8卷引用:江苏省苏州市三校2023-2024学年高二上学期10月阶段检测数学试题
名校
解题方法
7 . 已知平面直角坐标系内一椭圆
,记两焦点分别为
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/dba55a1c-cad2-410b-a6eb-59023ff8e17b.png?resizew=222)
(1)求
的方程;
(2)设
上有三点
、
、S,直线
、
分别过
,
,连接
.
①若
,求
的面积;
②证明:当
面积最大时,
必定经过
的某个顶点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a5b087c270dfc3f5ac18ebbc07edf3.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/9efbe4a54a27dc48e3f52d6249bd1681.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/dba55a1c-cad2-410b-a6eb-59023ff8e17b.png?resizew=222)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7b816eca15d4b7d060013df53edd53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10109d34ef06c3e721fd2c7128c5b9ca.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/08cce6cac0fdd4b1a434af8bcaec8fef.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9380191d5128132ab5995d3f048d3539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffd5d363ebeaa6de0ff830742643db4.png)
②证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffd5d363ebeaa6de0ff830742643db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffd5d363ebeaa6de0ff830742643db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-01-16更新
|
1039次组卷
|
2卷引用:江苏省苏州市2022-2023学年高二上学期期末学业质量阳光指标调研数学试题
名校
解题方法
8 . 已知双曲线
的左右焦点分别为
,
,P是直线
上不同于原点O的一个动点,斜率为
的直线
与双曲线
交于A,B两点,斜率为
的直线
与双曲线
交于C,D两点.
(1)求
的值;
(2)若直线
,
,
,
的斜率分别为
,
,
,
,问是否存在点P,满足
,若存在,求出P点坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ff55359527410517e61c6b541f61ec.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/4b63649f202d3f497de9dd21a4ac4049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1efe96e7776f1b5dfa92c295f8d97d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8fe7e29e32d3d529957d62fe37350e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ac42906a2f4da22b764e76fef60c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce6b64271ee6143ac8e0f76ad398011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0beb2c13e19f7865e0c1db13b234506e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6dba93e718deb57f1e6e8122a2bcbb0.png)
您最近一年使用:0次
2022-11-11更新
|
2106次组卷
|
4卷引用:江苏省苏州市部分学校2024届高三上学期第二次调研考试数学试题
名校
解题方法
9 . 已知双曲线
的一条渐近线方程为
,一个焦点到该渐近线的距离为
.
(1)求C的方程;
(2)设A,B是直线
上关于x轴对称的两点,直线
与C交于M,N两点,证明:直线AM与BN的交点在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d75ef8d89bb13121bfd3a723554be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9766dfef2a4159f49c7bd349fb36d670.png)
(1)求C的方程;
(2)设A,B是直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc38632d93f9f67e377e36666baf79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2452dc955b1c9d251edc3cffe8f68ef.png)
您最近一年使用:0次
2022-08-27更新
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7卷引用:江苏省苏州市张家港市2022-2023学年高三上学期1月期末数学试题
江苏省苏州市张家港市2022-2023学年高三上学期1月期末数学试题湖南省三湘创新发展联合2022-2023学年高三上学期起点调研考试数学试题黑龙江省部分学校2022-2023学年高三上学期8月联考数学试题海南省海口中学2023届高三上学期9月摸底考试数学试题吉林省四平市第一高级中学2022-2023学年高三上学期开学考试数学试题(已下线)专题3.16 圆锥曲线中的定点、定值、定直线问题大题专项训练(30道)-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题3-4 双曲线大题综合10种题型归类(讲+练)-【巅峰课堂】2023-2024学年高二数学热点题型归纳与培优练(人教A版2019选择性必修第一册)
解题方法
10 . 在平面直角坐标系xOy中,已知抛物线C:x2=4y,直线l与抛物线C交于A,B两点,过A,B分别作抛物线的切线,两切线的交点P在直线y=x-5上.
(1)若点A的坐标为
,求AP的长;
(2)若AB=2AP,求点P的坐标.
(1)若点A的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29206806f347542e4f8891caf20ed92d.png)
(2)若AB=2AP,求点P的坐标.
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2022-05-06更新
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1076次组卷
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2卷引用:江苏省苏州市常熟市梅李高级中学2022届高三5月模拟数学试题