名校
解题方法
1 . 已知椭圆
的左右顶点分别为A、B,点C在E上,点
分别为直线
上的点.
(1)求
的值;
(2)设直线
与椭圆E的另一个交点为D,求证:直线
经过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234cab13febe61a7d2237308672f70e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b2a723e48d8e02248e4fab1c5f818c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ed1fce01430ae31294c29d626626f0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbfb05e2ec0eb61fde5339fa2809ad7.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆
的长轴长为
,离心率为
,斜率为k的直线l与椭圆
有两个不同的交点A,B.
(1)求
的方程;
(2)若直线l的方程为
,点
关于直线l的对称点N(与M不重合)在椭圆
上,求t的值;
(3)设
,直线PA与椭圆
的另一个交点为C,直线PB与椭圆
的另一个交点为D,若点C,D和点
三点共线,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163b5beef24f681605adecc6b0ba76e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若直线l的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeabebd5bd9968bf5604ae1243476b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f4ec943ad1319d9df9ead145195817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116b8a86269aa2e2d1fbcfcd9a37914a.png)
您最近一年使用:0次
2023-12-20更新
|
581次组卷
|
6卷引用:上海市华东师范大学附属东昌中学2023-2024学年高二上学期期末考试数学试卷
3 . 如图,已知椭圆
和圆
(其中圆心
为原点),过椭圆
上异于上、下顶点的一点
引圆
的两条切线,切点分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/a12c75e1-9760-4fd3-b598-5e00ea536f58.png?resizew=203)
(1)求直线
的方程;
(2)求三角形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.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/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/a12c75e1-9760-4fd3-b598-5e00ea536f58.png?resizew=203)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
您最近一年使用:0次
名校
解题方法
4 . 椭圆
上有两点
和
,
.点
关于椭圆中心
的对称点为点
,点
在椭圆内部
.
是椭圆的左焦点,
是椭圆的右焦点.
(1)若点
在直线
上,求点
坐标;
(2)是否存在一个点
,满足
,若满足求出点
坐标,若不存在请说明理由;
(3)设
的面积为
,
的面积为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d416e6f1a1a13df0c38adc124b9ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4479128ab786b05d0ea062d95db1cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21ccab3142f61c89fbb323b06766da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef54f05cd5862d992f23bda14fa74a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f2cffa2b4725c8361e745718c630ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823ab696d27d40920c39b8c910789380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)是否存在一个点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b221ee47ced7c3a3992199ec775d8f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22873fb26b21787ded1537090cecab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2022-11-06更新
|
750次组卷
|
10卷引用:新疆乌鲁木齐市高级中学2024届高三下学期2月月考数学试题
新疆乌鲁木齐市高级中学2024届高三下学期2月月考数学试题上海市奉贤区2022届高三下学期二模数学试题(已下线)专题23 圆锥曲线中的最值、范围问题 微点3 圆锥曲线中的最值、范围问题综合训练(已下线)专题24 圆锥曲线中的存在性、探索性问题 微点1 圆锥曲线中的存在性问题(已下线)第12讲 直线和圆的方程-3(已下线)考向37 圆锥曲线中的范围、最值问题(重点)(已下线)专题12平面解析几何必考题型分类训练-4(已下线)突破3.2 双曲线(课时训练)-【新教材优创】突破满分数学之2022-2023学年高二数学重难点突破+课时训练 (人教A版2019选择性必修第一册)第3章 圆锥曲线与方程 单元综合检测(难点)-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版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)
名校
解题方法
5 . 已知椭圆
:
(
)的左、右焦点分别为
,
,离心率为
,长轴长为4.
(1)求椭圆
的标准方程;
(2)已知直线
的过定点
,若椭圆
上存在两点
,
关于直线
对称,求直线
斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.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/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b133be3cefb14749dff2083716f9c6d.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-05-03更新
|
1474次组卷
|
5卷引用:专题3.1 椭圆(5个考点十四大题型)(4)
(已下线)专题3.1 椭圆(5个考点十四大题型)(4)河南省许昌市、济源市、平顶山市2022届高三第三次质量检测理科数学试题四川省南充市南部县第二中学2021-2022学年高二下学期5月月考数学(理)试题(已下线)考点23圆锥曲线综合应用-2-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)专题41 直线与圆锥曲线-1
6 . 如果直线l:
与椭圆C:
(
)总有公共点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96745a1ebefd42dd83430da4ee843b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dae6629e0dbf18af625cb804874afb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
您最近一年使用:0次
2022-03-05更新
|
372次组卷
|
6卷引用:新疆乌鲁木齐市第101中学2023-2024学年高二上学期1月期末数学试题
新疆乌鲁木齐市第101中学2023-2024学年高二上学期1月期末数学试题北师大版(2019)选择性必修第一册课本例题4.1 直线与圆锥曲线的交点(已下线)4.1 直线与圆锥曲线的交点(已下线)第13讲 椭圆(2)(已下线)第20讲 椭圆的简单几何性质10种常见考法归类(1)北师大版(2019)选择性必修第一册课本习题第二章4.1 直线与圆锥曲线的交点
解题方法
7 . 如图,已知椭圆
的顶点
,
,
,
分别为矩形
的边
的中点,点
分别满足
,
,直线
与直线
的交点为
.
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897725980491776/2900890972012544/STEM/500907ad-9926-44fe-90a2-43de9447d969.png?resizew=233)
(1)证明:点P在椭圆E上;
(2)设直线l与椭圆E相交于M,N两点,
内切圆的圆心为
.若直线
垂直于x轴,证明直线l的斜率为定值,并求出该定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8868e2ba4401d727f1bcb1f5483b48f5.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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59de2142e70bc43cdbb8e72048fe323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c55fb8c9a3610f9afc566f2442f632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479b683d86776f89171ed3599077e02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4d9dd5aa98f68c69ceee35e76ed906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e467c89dbb003c653458b581a7ca92d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0fdbbaeec2bd1b2e7658eb6f532489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897725980491776/2900890972012544/STEM/500907ad-9926-44fe-90a2-43de9447d969.png?resizew=233)
(1)证明:点P在椭圆E上;
(2)设直线l与椭圆E相交于M,N两点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32fb50c66cd2de786b39cb442ec54a16.png)
您最近一年使用:0次
2022-01-23更新
|
394次组卷
|
2卷引用:四川省雅安市天立教育集团2023-2024学年高二下学期开学考试数学试题
名校
8 . 已知点
为椭圆
的左顶点,点
为右焦点,直线
与
轴的交点为
,且
,点
为椭圆上异于点
的任意一点,直线
交
于点
.
(1)求椭圆
的标准方程;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf1448989f69154b985a30c9736a3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f075ca3875e0d95b56431e25fe52b4.png)
您最近一年使用:0次
2022-01-15更新
|
496次组卷
|
3卷引用:广东省云浮市云安区云安中学2024届高三下学期开学考试数学试卷
名校
解题方法
9 . 设椭圆:
的左顶点为
,右顶点为
.已知椭圆的离心率为
,且以线段
为直径的圆被直线
所截得的弦长为
.
(1)求椭圆的标准方程;
(2)设过点
的直线
与椭圆交于点
,且点
在第一象限,点
关于
轴对称点为点
,直线
与直线
交于点
,若直线
斜率大于
,求直线
的斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/5de85df85401e7e8da683ea4a784963c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698d7ad4f0b131f8287883ed42f79fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce9a4fe0565a6810452d3fa9c747662.png)
(1)求椭圆的标准方程;
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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8卷引用:重难点突破17 圆锥曲线中参数范围与最值问题(八大题型)
(已下线)重难点突破17 圆锥曲线中参数范围与最值问题(八大题型)湖北省黄冈市麻城一中2019-2020学年高三上学期期末数学(理)试题辽宁省抚顺市二中、旅顺中学2019-2020年高三上学期期末考试数学试题辽宁省辽南协作体2019-2020学年高三上学期期末考试数学文试题辽宁省辽南协作体2019-2020学年高三上学期期末考试数学理试题苏教版(2019) 选修第一册 选填专练 第3章 大题规范练重庆市缙云教育联盟2021-2022学年高二上学期期末数学试题(已下线)专题40 圆锥曲线中参数范围与最值问题-2