名校
解题方法
1 . 已知
,
为椭圆
的两焦点,过点
作直线交椭圆
于
两点,
的周长为
.
(1)求椭圆
的标准方程;
(2)椭圆
的上顶点为
,下顶点为
,直线
交
于点
,求证:
,
,
三点共线.
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9c4d615ac4726bf06dcf6e539aa581.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/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆
![](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/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
2023-11-22更新
|
841次组卷
|
4卷引用:安徽省六安市金寨第一中学2024届高三上学期期末适应性考试数学试题(二)
安徽省六安市金寨第一中学2024届高三上学期期末适应性考试数学试题(二)云南师范大学附属中学2024届高三上学期第五次月考数学试题(已下线)重难点7-2 圆锥曲线综合应用(7题型+满分技巧+限时检测)(已下线)专题18 圆锥曲线高频压轴解答题(16大核心考点)(讲义)-2
解题方法
2 . 如图,已知平行四边形ABCD与椭圆
相切,且
,
,
,
.
(1)求椭圆的方程;
(2)若点
是椭圆上位于第一象限一动点,且点
处的切线与AB,AD分别交于点E,F.证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab47bf43b2c5d6395129b80ddfbb1b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98ef6b26186130f8d88c66d3b3c78fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99933128ec4db75e2838f40c91e90a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947bca78fd2d7a7436dd9dedbba3baa6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/31/949041b2-a3db-4370-87b0-63c0c9e61042.png?resizew=202)
(1)求椭圆的方程;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce066003c0a1f0879cbca2f32802e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce066003c0a1f0879cbca2f32802e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44229074669d6504b3e8b0108e0765e7.png)
您最近一年使用:0次
名校
解题方法
3 . 已知圆
的焦点为
,长轴长与短轴长的比值为
.
(1)求M的方程;
(2)过点F的直线l与M交于A,B两点,BC⊥x轴于点C,AD⊥x轴于点D,直线BD交直线
于点E,求证:点C,A,E三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6011a66f8aeef500d2c745da770dc1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求M的方程;
(2)过点F的直线l与M交于A,B两点,BC⊥x轴于点C,AD⊥x轴于点D,直线BD交直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
您最近一年使用:0次
2022-05-08更新
|
459次组卷
|
2卷引用:安徽省六安市舒城中学2021-2022学年高二下学期期中数学试题
4 . 已知椭圆
的离心率为
,
、
为左右焦点.直线
交椭圆C于A、B两点,且
.
(1)求椭圆C的方程;
(2)若
,
斜率之积为
,求证:
的面积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.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/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325eb51e6a43c5665661a2073b98653e.png)
(1)求椭圆C的方程;
(2)若
![](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/af6ddf31b7d9225a4239883af72d153b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
名校
5 . 已知椭圆
的长轴长为
,离心率
.
(1)求椭圆
的标准方程;
(2)已知斜率为
的直线
与椭圆
交于两个不同的点
,点
的坐标为
,设直线
与
的倾斜角分别为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](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/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed485316e602cf1e46d2c73c96738256.png)
您最近一年使用:0次
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
|
277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
名校
解题方法
7 . 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
8 . 已知椭圆C:
的离心率为
,
,
分别是椭圆C的左、右焦点,点P在椭圆C上,且
的面积最大值为
.
(1)求椭圆C的方程;
(2)椭圆C的上顶点为M,不经过点M的直线l与椭圆C交于A,B两点,若直线MA与直线MB的斜率之和为
,证明:直线l过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求椭圆C的方程;
(2)椭圆C的上顶点为M,不经过点M的直线l与椭圆C交于A,B两点,若直线MA与直线MB的斜率之和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
您最近一年使用:0次
9 . 已知椭圆
:
的左、右焦点分别为
,
,椭圆上两点坐标分别为
,
,若△
的面积为
,
.
(1)求椭圆
的标准方程;
(2)过点
(
为坐标原点)作两条互相垂直的射线,与椭圆
分别交于
,
两点,证明:点
到直线
的距离为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dc791ae552024ea0df7905bf190f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace7c9e3da8613175ca07c54c116127a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3160fc73f2a90ae4a1a97351ab2673b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9199b50dd0036be9b764c621d1d46f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef419f0740dae5db5cc51675bc51afb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e088c20cc968303b4545adc4b5416e66.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
10 . 椭圆
的离心率为
,上顶点为
,右焦点为
,原点
到直线
的距离为
.
(1)求椭圆
的方程;
(2)直线
为抛物线
的准线,
分别为椭圆的左、右顶点,
为直线
上的任一点(
不在
轴上),
交椭圆
于另一点
交椭圆
于另一点
,求证:
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562585ef36ef1baa03315e9ec61e8a2b.png)
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4c25f1295ed707d3723744473eeb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ebb1b16a47bcd3d0d847e46126412e.png)
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