名校
解题方法
1 . 已知椭圆
经过
和
,
分别为椭圆的左顶点、右顶点、上顶点.
(1)求椭圆
的标准方程;
(2)过
轴上点
(点
在椭圆
长轴上)作直线交椭圆
两点,且
,若
,求
点的坐标;
(3)过点
作直线交椭圆
于
点,交直线
于
,直线
于
轴相交于
,求证:
为定值,并求此定值.(其中
分别为直线
和直线l,
的斜率).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1bbd2face8220cbd14191212588aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2314fc922502d8fc6d13e4b9f2775b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd07fb0b22450681d23d5f0513d8e26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94e87c1ed4c9c0cd0f9e1f10f11a35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21791b26a0b406302709f9776dd9f28f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4849d0599bbeaccc05eb0cece91ec97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eacfcd9c21fffe2820a00dd4f09ef25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce2790947716b1cfa9c5e7a65db4093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆
经过点
.
(1)求
的标准方程;
(2)过点
的直线
交
于
两点(点
在点
的上方),
的上、下顶点分别为
,直线
与直线
交于点
,证明:点
在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808eb66c81c7caa7df8cd77fb2c9a6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508818c7d508fd01e85ff618c0194b70.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d8923a8755672d72ac0f3495155872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2024-01-16更新
|
296次组卷
|
5卷引用:江苏省连云港市2023-2024学年高三上学期期中数学试题
江苏省连云港市2023-2024学年高三上学期期中数学试题宁夏回族自治区2023-2024学年高二上学期期末测试数学训练卷(二)(范围:选择性必修第一册 第三章+选择性必修第二册 第四章)河北省部分高中2024届高三上学期期末数学试题(已下线)第08讲:圆锥曲线(大题) (必刷7大考题+7大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)四川省南充市嘉陵第一中学2023-2024学年高二下学期第三次月考(5月)数学试题
名校
解题方法
3 . 已知椭圆
:
的短轴长为
,离心率为
.
(1)求椭圆
的方程;
(2)过点
的动直线
与椭圆
相交于不同的
两点,在线段
上取点
,满足
,证明:点
总在某定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8115c09f801cf0bb02293baef7bf137.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96acb7d4b77e377fb52411f103a84461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2023-08-04更新
|
1233次组卷
|
5卷引用:江苏省徐州市2023-2024学年高二上学期期中数学试题
江苏省徐州市2023-2024学年高二上学期期中数学试题江苏省常州市田家炳高级中学2023届高三一模热身练习数学试题江苏省连云港市灌云高级中学2024届高三上学期第一次月考数学试题(已下线)第三章 圆锥曲线的方程(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第一册)(已下线)专题06 圆锥曲线大题
4 . 已知椭圆
一个焦点是
,过点
且垂直
轴的直线
交椭圆第一象限于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
. 直线
平行于
(
为原点),且与椭圆
交于
两点,与直线
交于点
(
介于
两点之间).则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e501efaf72113fc8ee3d495004fa980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99fa94a1f3e4964fcc13a14fab9ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
A.椭圆![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
2023-05-05更新
|
512次组卷
|
2卷引用:江苏省南京市溧水高级中学2022-2023学年高二下学期4月学情调研数学试题(1)
5 . 已知椭圆
的离心率为
,且椭圆C经过点
,过右焦点F的直线l与椭圆C交于A,B两点.
(1)求椭圆C的方程;
(2)设O为坐标原点,求
面积的最大值以及此时直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0471cd3dccabaef113cd5761544d7c.png)
(1)求椭圆C的方程;
(2)设O为坐标原点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2023-04-09更新
|
1858次组卷
|
10卷引用:高二数学上学期期中考模拟卷(直线与方程+圆与方程+圆锥曲线与方程)-【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)
(已下线)高二数学上学期期中考模拟卷(直线与方程+圆与方程+圆锥曲线与方程)-【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)吉林省白山市2023届高三下学期四模联考(4月期中)数学试题陕西省商洛市洛南中学2022-2023学年高二下学期期中理科数学试题山西省部分学校2023届高三下学期4月联考数学试题河南省创新发展联盟2023届高三下学期二模考试数学(理)试题河南省创新发展联盟2023届高三下学期二模考试数学(文)试题辽宁省县级重点高中联合体2023届高三二模数学试题海南省华侨中学2023届高三第四次模拟考试数学试题河北省保定市唐县第一中学2022-2023学年高二下学期5月月考数学试题(已下线)专题15 圆锥曲线综合
名校
解题方法
6 . 已知椭圆C:
的离心率为
,两焦点与短轴两顶点围成的四边形的面积为
.
(1)求椭圆C的标准方程;
(2)我们称圆心在椭圆C上运动,半径为
的圆是椭圆C的“卫星圆”,过原点O作椭圆C的“卫星圆”的两条切线,分别交椭圆C于A,B两点,若直线OA,OB的斜率存在,记为
,
.
①求证:
为定值;
②试问
是否为定值?若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求椭圆C的标准方程;
(2)我们称圆心在椭圆C上运动,半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576833b76e9cad3b523f87132308df99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
②试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a0d9a2f14f7e789892487d6585804a.png)
您最近一年使用:0次
2023-08-05更新
|
507次组卷
|
4卷引用:江苏省南京市江宁区东山高级中学三校联考2023-2024学年高三上学期期中调研考试数学试题
7 . 已知椭圆C:
的右顶点为
,过左焦点F的直线
交椭圆于M,N两点,交
轴于P点,
,
,记
,
,
(
为C的右焦点)的面积分别为
.
(1)证明:
为定值;
(2)若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a98eaaab44a91d0bad21dbd260be770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2dc32a930595d3e6d87ac24701a9364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348907f672c64a4563ce9e9e5edd53b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a79adfd9e2b87b864803e4505d2a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9946d1ce220afa1625ebb09c34b56c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed0ccdab6cfb38a35f9dea720df03c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf4e20ea341827ce5f9552daee39462.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a07a2f0db1140e0588aa19f7884ba5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca48559d27a71801cef4c97312886d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-11-23更新
|
1721次组卷
|
8卷引用:江苏省南京市雨花台中学2022-2023学年高三上学期期中数学试题
江苏省南京市雨花台中学2022-2023学年高三上学期期中数学试题福建省三校联考2022-2023学年高二上学期期中考试数学试题湖南省郴州市原创试题评比参评2022届高三高考模拟数学试题(安仁一中命制)(已下线)数学(新高考Ⅰ卷B卷)(已下线)专题13 圆锥曲线压轴解答题常考套路归类(精讲精练)-3重庆市2023届高三下学期第一次联考数学试题(已下线)模块六 专题8 易错题目重组卷(重庆卷)辽宁省沈阳市浑南区东北育才学校试验部2023-2024学年高二上学期12月月考数学试题
8 . 已知抛物线
的焦点与椭圆
的右焦点
重合,椭圆
的短轴长为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/db796c73-9fe2-4363-a55d-fe74f5e68e21.png?resizew=151)
(1)求椭圆
的方程;
(2)过点
且斜率为
的直线
交椭圆
于
两点,交抛物线
于
两点,请问是否存在实常数
,使
为定值?若存在,求出
的值及定值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a5ece40544f0dbe0ddd07400f5295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/db796c73-9fe2-4363-a55d-fe74f5e68e21.png?resizew=151)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
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您最近一年使用:0次
2022-11-18更新
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1233次组卷
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4卷引用:江苏省扬州市仪征中学2022-2023学年高二上学期期中数学试题
名校
解题方法
9 . 如图,已知点
分别是椭圆
的左、右焦点,A,B是椭圆C上不同的两点,且
,连接
,且
交于点Q.
时,求点B的横坐标;
(2)若
的面积为
,试求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c2adf02f5d5a3e1e58a9df353f5fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8745517aece48c6fea01087a370827ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8745517aece48c6fea01087a370827ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2f2d7c81cb44416bcdf59419637682.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3ba6ab6e4b958f6d52e46575aabd46.png)
您最近一年使用:0次
2022-06-18更新
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1381次组卷
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8卷引用:江苏省常州市金坛区2023-2024学年高二上学期期中数学试题
(已下线)江苏省常州市金坛区2023-2024学年高二上学期期中数学试题湖北省荆、荆、襄、宜四地七校考试联盟2022-2023学年高二上学期期中联考数学试题江苏省前黄高级中学、溧阳中学2022-2023学年高二上学期第一次联合调研数学试题江苏省镇江市扬中市第二高级中学2022-2023学年高二上学期期末考前热身数学试题浙江省强基联盟2021-2022学年高二下学期5月统测数学试题江西省上饶市广丰区重点高中2022-2023学年高二上学期第三次月考数学试题(已下线)人教A版高二上学期【期中押题卷01】(测试范围:1.1~3.1)(原卷版)浙江省宁波市鄞州中学2023-2024学年高二上学期9月月考数学试题
解题方法
10 . 在平面直角坐标系
中,已知动点C到定点
的距离与它到直线
的距离之比为
.
(1)求动点C的轨迹方程;
(2)点P为直线l上的动点,过点P的动直线m与动点C的轨迹相交于不同的A,B两点,在线段
上取点Q,满足
,求证:点Q总在一条动直线上且该动直线恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求动点C的轨迹方程;
(2)点P为直线l上的动点,过点P的动直线m与动点C的轨迹相交于不同的A,B两点,在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb52f0345bc884f883353a88670704f.png)
您最近一年使用:0次
2022-05-19更新
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2595次组卷
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4卷引用:江苏省南通市如东县、海安市2022-2023学年高二下学期期中数学试题
江苏省南通市如东县、海安市2022-2023学年高二下学期期中数学试题山东2022届高考考前热身押题数学试题(已下线)专题12 定比点差法及其应用 微点4 调和点列中的定比点差法(已下线)第五篇 向量与几何 专题5 调和点列 微点3 调和点列(三)