1 . 已知椭圆
:
的一个顶点恰好是抛物线
:
的焦点,离心率为
.
(1)求椭圆
的方程;
(2)设
,
,
,
是椭圆
上一点,且不与顶点重合,若直线
与直线
交于点
,直线
与直线
交于点
.证明
是等腰三角形.
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5a1d7cc1501e44c13390c54ba39f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed0e135ad05dddd5ec57678af73433d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c09615735d331befd07664aa47cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c2cc110e46ae4b3432814810e28bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668438e15423368cd744445e824d18a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆
经过点
,焦距为
.
(1)求椭圆E的标准方程;
(2)若四边形
内接于椭圆E,对角线交于坐标原点O,且这两条对角线的斜率之积为
,求证:四边形
的任意一组邻边的倾斜角互补.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd40fadf77c01c856c9e5848c4215fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef233ad3db01fa3ce9ee94eaad8e64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆E的标准方程;
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解题方法
3 . 已知椭圆
的离心率
,长轴的左右端点分别为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754f0ba6dc354e7bc28f11ae9895d93f.png)
(1)求椭圆
的方程;
(2)设动直线
与曲线
有且只有一个公共点
,且与直线
相交于点
,求证:以
为直径的圆过定点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196553688ee450c0469ccefc2007649b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754f0ba6dc354e7bc28f11ae9895d93f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f24e616b5a35ff372c78c1472f156ab.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/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f36374ce95a4945d0e58264c2b271f.png)
您最近一年使用:0次
2021-12-03更新
|
1220次组卷
|
6卷引用:天津市第一零二中学2021-2022学年高三上学期期中数学试题
天津市第一零二中学2021-2022学年高三上学期期中数学试题(已下线)专题6椭圆(已下线)重难点05 解析几何-2022年高考数学【热点·重点·难点】专练(新高考专用)天津市宝坻区大口屯高中2021-2022学年高三上学期结课考试数学试题(已下线)押全国卷(文科)第20题 圆锥曲线-备战2022年高考数学(文)临考题号押题(全国卷)(已下线)押全国卷(理科)第20题 圆锥曲线-备战2022年高考数学(理)临考题号押题(全国卷)
2014高三·全国·专题练习
名校
解题方法
4 . 已知直线
,圆
,椭圆
的离心率
,直线
被圆
截得的弦长与椭圆的短轴长相等.
(1)求椭圆
的方程;
(2)过圆
上任意一点
作椭圆
的两条切线,若切线的斜率都存在,求证:两条切线斜率之积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834b0c299ea47b9329c9987efaaead39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f62686f6f9118291c444a8d5a4d0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216c709a624a0c7945af2e8949acc719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a0a43a5b4d5b4bb4e3e936b032a80a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2021-09-20更新
|
1650次组卷
|
8卷引用:2014年高考数学(文)二轮复习专题提升训练江苏专用阶段检测4练习卷
(已下线)2014年高考数学(文)二轮复习专题提升训练江苏专用阶段检测4练习卷(已下线)2021年全国新高考II卷数学试题变式题18-22题人教A版(2019) 选择性必修第一册 必杀技 第三章 圆锥曲线的方程 专题5 与圆锥曲线有关的范围、最值、定点、定值问题人教B版(2019) 选择性必修第一册 必杀技 第二章 平面解析几何 专题5 与圆锥曲线有关的取值范围(最值)问题、定点与定值问题云南省昆明市盘龙区第十六中学2020~2021高二年级上学期期末数学(文)测试题苏教版(2019) 选修第一册 必杀技 第三章 专题4 与圆锥曲线有关的范围、最值、定点、定值问题北师大版(2019) 选修第一册 必杀技 第二章 4.2 直线与圆锥曲线的综合问题(已下线)第11讲 椭圆(6大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)
5 . 已知椭圆
上有两点
及
,直线
与椭圆交于A、B两点,与线段
交于点C(异于P、Q).
(1)当
且
时,求直线
的方程;
(2)当
时,求四边形
面积的取值范围;
(3)记直线
、
、
、
的斜率依次为
、
、
、
,当
且线段
的中点M在直线
上时,计算
的值,并证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c03c6b8d7418edf20f474389971352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3178e2296170fb2ba5ed2c016a1edc80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626cec0aec0243e6bbdcf264396a700e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f24e616b5a35ff372c78c1472f156ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b5cc821ddbdf58518685593d614290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7571e2f20e482a852a5d4639480f6a5.png)
(3)记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](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/dbf434334b09cc0fdd4e86e84e6ceb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3307e11f7e6896e32aa510bbed949ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98e5f03e2e6d8e82c652520447dee93.png)
您最近一年使用:0次
2022-02-23更新
|
275次组卷
|
2卷引用:上海市实验学校2022届高三下学期开学考试数学试题
名校
6 . 已知椭圆C的中心为坐标原点,且以直线
(m∈R)所过的定点为一个焦点,过右焦点F2且与x轴垂直的直线被椭圆C截得的线段长为2.
(1)求椭圆C的标准方程;.
(1)设点A,B分别是椭圆C的左、右顶点,P,Q分别是椭圆C和圆O∶
上的动点(P,Q位于y轴两侧),且直线PQ与x轴平行,直线AP,BP分别与y轴交于不同的两点M,N,求证∶QM与QN所在的直线互相垂直.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c2c59bbda1345612c6f7632355ea63.png)
(1)求椭圆C的标准方程;.
(1)设点A,B分别是椭圆C的左、右顶点,P,Q分别是椭圆C和圆O∶
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
您最近一年使用:0次
2021-09-08更新
|
280次组卷
|
4卷引用:安徽省十校联盟2021-2022学年高三上学期开学摸底考试文科数学试题
安徽省十校联盟2021-2022学年高三上学期开学摸底考试文科数学试题广东省深圳外国语学校2022届高三上学期第一次月考数学试题广东省广州市重点高中2022届高三上学期第一次月考数学试题(已下线)第十一章 圆锥曲线专练14—椭圆大题(证明题)-2022届高三数学一轮复习
2022高三·全国·专题练习
解题方法
7 . 已知椭圆
上不同的三点
与焦点
的距离成等差数列.
(1)求证:
;
(2)若线段
的垂直平分线与
轴的交点为
,求直线
的斜率
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213c1dc7f81ba1b6f79d0d1c4a3ca0ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14436636ec6a7aec09cb63cecf6e970d.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7289f0accd61304a576da5a938ce1294.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bf58e5fea1189b33cf55d86335452f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
8 . 已知椭圆
的长轴长与短轴长之比为2,
、
分别为其左、右焦点.请从下列两个条件中选择一个作为已知条件,完成下面的问题:
①过点
且斜率为1的直线与椭圆E相切;
②过
且垂直于x轴的直线与椭圆在第一象限交于点P,且
的面积为
.(只能 从①②中选择一个作为已知)
(1)求椭圆E的方程;
(2)过点
的直线l与椭圆E交于A,B两点,与直线
交于H点,若
,
.证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
①过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35565c94f43ca37683e2f2ef81f24eeb.png)
②过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6506a28229b6d211409c43c8a2639f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
(1)求椭圆E的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8dccf8aa38f2f1d6c4c337d9758aad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e84c64a3f55c04ef91f25c17758bcd16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf22cc229dafd354e4c106581908c22a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32705e629d8b9187b53efeee6605af15.png)
您最近一年使用:0次
2022-01-19更新
|
435次组卷
|
3卷引用:2023届甲卷预测信息卷(一)数学(理)试题
名校
解题方法
9 . 已知圆锥曲线
上的点
的坐标
满足
.
(1)说明
是什么图形,并写出其标准方程;
(2)若斜率为1的直线
与
交于
轴右侧不同的两点
,
,点
为
.
①求直线
在
轴上的截距的取值范围;
②求证:
的平分线总垂直于
轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd05490af0096bb615260e752b67cfb6.png)
(1)说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若斜率为1的直线
![](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/d053b14c8588eee2acbbe44fc37a6886.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
①求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2021-09-30更新
|
1395次组卷
|
3卷引用:湖南省湘潭市2021-2022学年高三上学期一模数学试题
2022高三·全国·专题练习
解题方法
10 . 如图所示,离心率为
的椭圆
上的点到其左焦点的距离的最大值为3,过椭圆
内一点
的两条直线分别与椭圆交于点
,
和
,
,且满足
,
,其中
为常数,过点
作
的平行线交椭圆于
,
两点.
![](https://img.xkw.com/dksih/QBM/2022/1/9/2890852564377600/2893759782936576/STEM/c337a35c-47b3-4b18-8e0d-1233f9e825de.png?resizew=212)
(1)求椭圆
的方程;
(2)若点
,求直线
的方程,并证明点
平分线段
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a183cac4423ab04e7ecfd4fba1715f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471c799344b11c732f958de2e7999a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587aee34c7093d56e787224f69f05608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/2022/1/9/2890852564377600/2893759782936576/STEM/c337a35c-47b3-4b18-8e0d-1233f9e825de.png?resizew=212)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797c488729678e74e0825c2e92b544b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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