名校
解题方法
1 . 已知椭圆
的两个顶点分别为
,
,焦点在
轴上,离心率为
.
(1)求椭圆
的方程;
(2)若直线
与
轴交于点
,与椭圆
交于
,
两点,线段
的垂直平分线与
轴交于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0bc80d700368fb8abd76d8f1652a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ca989fde677d756f43ae80be053e2a.png)
您最近一年使用:0次
2022-03-10更新
|
1834次组卷
|
8卷引用:重庆市万州第二高级中学2024届高三上学期7月月考数学试题
重庆市万州第二高级中学2024届高三上学期7月月考数学试题天津市区重点中学2022届高三下学期一模联考数学试题(已下线)专题29 圆锥曲线中的最值、范围问题- 2022届高考数学一模试题分类汇编(新高考卷)(已下线)数学-2022年高考押题预测卷01(北京卷)福建省连城县第一中学2022-2023学年高二上学期第二次月考数学试题天津市九十六中学2022-2023学年高二上学期期末数学试题安徽省淮北市树人高级中学2023-2024学年高二上学期第一次阶段考试数学试题(已下线)第三章 圆锥曲线单元测试(基础版)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)
2 . 已知椭圆C:
的离心率为
,左、右焦点分别为
,
,过
的直线
交椭圆于M,N两点,交y轴于P点,
,
,记
,
,
的面积分别为
,
,
.
(1)求椭圆C的标准方程;
(2)若
,
,求m的取值范围.
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b4e519edd226ae594e06558776bbd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6dfc3a311cbd89946d617d60990821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa9aa4d3c268f8adb343baf7e6c2b81.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/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
(1)求椭圆C的标准方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206f1cbd5f64a6308c1fda75d5724e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5f48a73f44bccda2d2c75a38d2748f.png)
您最近一年使用:0次
名校
解题方法
3 . 已知点
是椭圆E:
上的动点,离心率
设椭圆左、右焦点分别为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fd7e8d87160b086a1022e76e487277.png)
(1)求椭圆E的标准方程;
(2)若直线
与椭圆C的另一个交点分别为A,B,问
面积是否存在最大值,若存在,求出最大值; 若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be715ae8e6a223dc3ca9dc2c3e76977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fd7e8d87160b086a1022e76e487277.png)
(1)求椭圆E的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d82387e48eafb286785a21a8d4150f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆C:
的左、右焦点分别为
,
,过椭圆C上一点P和原点O作直线l交圆O:
于M,N两点,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13576dcc3edab4cf5cd97af4e33027b.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/dc3a3a4aaf373912aaa18b1ae1f83d88.png)
A.实数a越小,椭圆C越圆 |
B.若![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2023-11-23更新
|
586次组卷
|
6卷引用:重庆市第一中学2023-2024学年高二上学期第一次月考数学试题
重庆市第一中学2023-2024学年高二上学期第一次月考数学试题江西省广丰贞白中学2024届高三上学期11月月考数学试题山西省太原市山西大学附属中学校2023-2024学年高二上学期期中考试数学试题(已下线)第三章 圆锥曲线的方程(压轴必刷30题7种题型专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)(已下线)专题5 焦点弦长 公式性质 练(高考真题素材库之典型好题母题)(已下线)专题7 圆锥曲线与定比分点法【练】(压轴小题大全)
2018高二上·全国·专题练习
名校
5 . 已知
是椭圆与双曲线的公共焦点,
是它们的一个公共点,且
,线段
的垂直平分线过
,若椭圆的离心率为
,双曲线的离心率为
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50da60823b387df26f73e7c2bad6fcdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ebb7066ebc86a75342bbf03bc45cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b741984b445c2bcb6005c24ac82aa829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e93cab5d81788f45ea9f81fbf8ccbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f1e4ceab4a4272b1e8bb4f99edf144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473ec8525e47e3fdb82f766036babfaa.png)
您最近一年使用:0次
2018-12-01更新
|
4780次组卷
|
11卷引用:重庆市第七中学校2021-2022学年高二上学期期中数学试题
重庆市第七中学校2021-2022学年高二上学期期中数学试题重庆市西南大学附属中学校2021-2022学年高二上学期第二次月考数学试题(已下线)2018年12月2日 【理科】人教选修2-1—每周一测(已下线)2018年12月2日 《每日一题》【文科】人教选修1-1—每周一测【全国百强校】安徽省铜陵市第一中学2018-2019学年高二1月月考数学试题(已下线)2019年12月1日《每日一题》选修2-1理数-每周一测(已下线)2019年12月1日《每日一题》选修1-1文数-每周一测四川省成都外国语学校2019-2020学年高二5月月考数学(理)试题黑龙江省哈尔滨市第九中学校2023-2024学年高二上学期期中考试数学试题(已下线)四川省成都市第七中学2023-2024学年高二上学期12月月考数学试题四川省绵阳市南山中学实验学校2023-2024学年高二上学期期末模拟数学试题(七)
名校
解题方法
6 . 已知点
为椭圆
的上顶点,椭圆
以椭圆
的短轴为长轴,点
为椭圆
的一个焦点,且椭圆
的离心率是椭圆
的离心率的
倍.
(1)求椭圆
,
的标准方程;
(2)过点F作直线l与椭圆
交于点A,B,直线PA,PB分别与椭圆
交于C,D两点,设
和
的面积分别为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/591b8af0ea4265a79680d742f2c0bfc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11472e2095142ec70cd00bfeca331c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
(2)过点F作直线l与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
名校
7 . 如图是数学家Germinal Dandelin用来证明一个平面截圆锥得到的截口曲线是椭圆的模型(称为“Dandelin双球”);在圆锥内放两个大小不同的小球,使得它们分别与圆锥的侧面、截面相切,设图中球
,球
的半径分别为
和
,球心距离
,截面分别与球
,球
切于点
,
,(
,
是截口椭圆的焦点),则此椭圆的离心率等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647af54e46e22ea0160071ca6eacb1a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2019/5/14/2203713737646080/2204045863878656/STEM/348be02c-ccee-4178-9cfb-64a51f00c710.png)
您最近一年使用:0次
2019-05-15更新
|
3032次组卷
|
11卷引用:重庆市西南大学附属中学2020-2021学年高二上学期期中数学试题
重庆市西南大学附属中学2020-2021学年高二上学期期中数学试题重庆市万州第二高级中学2024届高三上学期8月月考数学试题重庆市第七中学校2023-2024学年高二上学期第三次月考数学试题【市级联考】安徽省合肥市2019届高三第三次教学质量检测数学理科试题(已下线)专题9.5 椭圆 (精练)-2021年高考数学(理)一轮复习讲练测黑龙江省哈尔滨市第三中学2021-2022学年高二上学期10月月考数学试题(已下线)专题5.1 求解曲线的离心率的值或范围问题-玩转压轴题,进军满分之2021高考数学选择题填空题(已下线)第三章 圆锥曲线与方程(提分小卷)-【单元测试】2021-2022学年高二数学尖子生选拔卷(苏教版2019选择性必修第一册)江西省新余市2022届高三第二次模拟考试数学(理)试题(已下线)专题22 圆锥曲线的离心率问题-1广东省广州中学2023-2024学年高二上学期期中数学试题
名校
解题方法
8 . 1.在平面直角坐标系
中,椭圆
:
的离心率为
,焦距为2.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/be9ccdf9-1a3e-48be-98d0-c5da85f95fd8.png?resizew=221)
(1)求椭圆
的方程;
(2)如图,动直线
:
交椭圆
于A,
两点,
是椭圆
上一点,直线
的斜率为
,且
,
是线段
延长线上一点,且
,
的半径为
,
,
是
的两条切线,切点分别为S,
.求
的最小值及
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/be9ccdf9-1a3e-48be-98d0-c5da85f95fd8.png?resizew=221)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)如图,动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394d3d55b68bd014b2a743da6bc0bbd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b728c0e69820cdcd839e67ffdb1014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77c7fcf5a32774e6e0c46bb6e3618a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc28b3e3b151b74ace297c6af574cac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d66b83d9dbcb45e1c241d18a3e1843f.png)
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2021-11-14更新
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1509次组卷
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5卷引用:重庆市长寿区2022-2023学年高二上学期期末数学试题(A卷)
名校
解题方法
9 . 已知椭圆
:
的焦点分别为
,
,过左焦点
的直线与椭圆交于M,N两点,
的周长为
.
(1)求椭圆E的离心率;
(2)直线
:
与椭圆有两个不同的交点A,B,直线
与x轴的交点为D,若A,B都在x轴上方且点A在线段
上,O为坐标原点,
和
面积分别为
,
,记
,当满足条件的实数
变化时,
的取值范围是
,求椭圆E的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5585a42c8f07ad90b94ace9db3d78994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51ac10348546942d99b74bea0ef2a2c.png)
(1)求椭圆E的离心率;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e66184e7f5ef2a46801c4a57d3fb441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372629a8666de1e9bac3e7daadcac7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4686f39b38d5b90309ee73ed89a0640.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/728ac1f05af8e55ce652d76b6d2a8208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ca78cc02539f926aee1232122920ea.png)
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2022高三·全国·专题练习
10 . 已知椭圆
的左、右焦点分别为
,
,动直线
过
且与椭圆
相交于
两点,且
的最大值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/a92f0700-b027-448c-aea5-0d0cb3a62acf.png?resizew=224)
(1)求椭圆
的离心率;
(2)如图,已知
为抛物线
上一点,
为抛物线
在点
处的切线,
与椭圆
有两个不同的交点
,
,当以
为直径的圆过原点
时,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/0f85fca60a11e1af2bf50138d0e3fe62.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83af7efcda32187eb5d49699ea9b0111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae63edab53197535528db593c449889.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/a92f0700-b027-448c-aea5-0d0cb3a62acf.png?resizew=224)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021bcc5ea186cd32c39b3d333b0f448c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389fd80b6f34fffc65b805c47a4511d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.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/13dea1bd3d0dd84b8b6f6ff634c5600c.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d5b8f8a7d2a8db2f3c0e292fb68600.png)
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