名校
解题方法
1 . 已知圆
,圆
,动圆P与圆
内切,与圆
外切,动圆圆心P的运动轨迹记为C;
(1)求C方程;
(2)若
,直线
过圆
的圆心且与曲线C交于A,B两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da16c4aff808ed28add0abdb661922f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72919fc0b5ee1116cf74d897c1d778b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求C方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
您最近一年使用:0次
解题方法
2 . 已知圆
:
,
是圆
上的点,
关于
轴的对称点为
,且
的垂直平分线与
交于点
,记
的轨迹为
.
(1)求
的方程;
(2)坐标原点
关于
的对称点分别为
,点
关于直线
的对称点分别为
,过
的直线
与
交于点
,直线
相交于点
.请从下列结论中,选择一个正确的结论并给予证明.
①
的面积是定值;②
的面积是定值;③
的面积是定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a8dfa9c643db95f387916f715d1a846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668438e15423368cd744445e824d18a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.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/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)坐标原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b117cc51a69fd7fbe7270277a45ef565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d697722ad35067fc0e4171634459fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253842ad1afc2cd6030ae4af49cc2045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78ae25bc675c4e1bc00fadbe25381c5.png)
您最近一年使用:0次
3 . 已知椭圆
的左、右顶点分别为
,
,且焦距为4,上顶点为
,且直线
,
的斜率之积为
.
(1)求椭圆
的方程;
(2)设斜率存在的直线
交椭圆
于
,
两点(
,
位于
轴的两侧),记直线
,
,
,
的斜率分别为
,
,
,
,若
,
,
成等差数列.证明:
(i)直线
过定点;
(ii)
的面积小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c17c0535b686495dc04d15172da008f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设斜率存在的直线
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.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/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35be33c7a887a02aab1503dec322b478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
(i)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b120f27ec53766b2e488b76d3ae2bdb.png)
您最近一年使用:0次
4 . 已知
为
的两个顶点,
为
的重心,边
上的两条中线长度之和为
.
(1)求点
的轨迹
的方程;
(2)过
作不平行于坐标轴的直线交
于D,E两点,若
轴于点M,
轴于点N,直线DN与EM交于点Q.
①求证:点Q在一条定直线上,并求此定直线;
②求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7653521686a94b701cf917986d12747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5881068127a39caf319492b4177204f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed0325097927b92a6458bfbb0667b81.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4914b846a985658a528ab9d70ccc7c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73297356dfd38e7243b9204b77e82957.png)
①求证:点Q在一条定直线上,并求此定直线;
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ef39fe24f1688af0412ab063f15a9f.png)
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2023-12-14更新
|
2152次组卷
|
8卷引用:福建省莆田五中、莆田八中、莆田十中、莆田侨中2023-2024学年高二上学期期末联考数学试卷
福建省莆田五中、莆田八中、莆田十中、莆田侨中2023-2024学年高二上学期期末联考数学试卷四川省成都市2023-2024学年高二上学期期末练习数学试题(2)辽宁省朝阳市建平县实验中学2023-2024学年高二下学期3月月考数学试题四川省成都市石室中学2024届高三一模数学(理)试题四川省成都市石室中学2024届高三一模数学(文)试题(已下线)广东省深圳市深圳中学2024届高三上学期第四次阶段测试数学试题湖南省长沙市雅礼中学2024届高三月考试卷数学(六)(已下线)微专题06 圆锥曲线中非对称韦达定理问题的处理
名校
5 . 已知
是坐标原点,
,
是椭圆
的左、右焦点,
是椭圆在第一象限上的点,且
,
是
的角平分线上的动点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/e69daca955a565fa537347dd0d93783f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28882345570c4c9cf5af898f6b5a5749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a99360e0b3917e9c3ad94c1a2d9e66d.png)
A.![]() | B.![]() | C.![]() | D.3 |
您最近一年使用:0次
2023-12-10更新
|
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|
2卷引用:福建省龙岩市一级校联盟2023-2024学年高二上学期11月期中数学试题
2023·全国·模拟预测
名校
解题方法
6 . 已知椭圆C:
的离心率为
,椭圆上一动点P与左、右焦点构成的三角形面积的最大值为
.
(1)求椭圆C的方程;
(2)设椭圆C的左、右顶点分别为A,B,直线PQ交椭圆C于P,Q两点,记直线AP的斜率为
,直线BQ的斜率为
,已知
,设
和
的面积分别为
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求椭圆C的方程;
(2)设椭圆C的左、右顶点分别为A,B,直线PQ交椭圆C于P,Q两点,记直线AP的斜率为
![](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/7096cc7dae512c88ea3ad3d513f9e164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.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/c59c4295f918205f5598ecc9a96d8867.png)
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2023-12-08更新
|
906次组卷
|
6卷引用:福建省莆田第五中学2023-2024学年高二上学年12月月考数学试卷
福建省莆田第五中学2023-2024学年高二上学年12月月考数学试卷福建省厦门外国语学校2023-2024学年高二上学期12月阶段性训练数学试卷(已下线)2024届数学新高考Ⅰ卷精准模拟(五)(已下线)微考点6-2 圆锥曲线中的弦长面积类问题(已下线)专题8.2 椭圆综合【九大题型】(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-1
2023·全国·模拟预测
名校
解题方法
7 . 已知圆
,圆
,动圆
与圆
和圆
均相切,且一个内切、一个外切.
(1)求动圆圆心
的轨迹
的方程.
(2)已知点
,过点
的直线
与轨迹
交于
两点,记直线
与直线
的交点为
.试问:点
是否在一条定直线上?若在,求出该定直线;若不在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07112c5e9c83f79633ab2753c9b8b2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8cb816d758a13224877ef1d7f954ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求动圆圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a47e8ecd2cdc48a3d54bb43f3fdf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2023-12-01更新
|
1258次组卷
|
5卷引用:福建省莆田市锦江中学2023-2024学年高二上学期第二次月考数学试题
福建省莆田市锦江中学2023-2024学年高二上学期第二次月考数学试题广东省广州市白云中学2023-2024学年高二上学期12月月考数学试题(已下线)高考2024年普通高等学校招生全国统一考试?信息卷数学(二)(已下线)热点7-2 椭圆及其应用(8题型+满分技巧+限时检测)(已下线)微考点6-1 圆锥曲线中的非对称韦达定理问题(三大题型)
名校
解题方法
8 . 椭圆
的左、右顶点分别为
,
,上顶点为
,左、右焦点分别为
,
,且
,
,
成等比数列.
(1)求椭圆的方程;
(2)过
的直线
与椭圆交于
,
两点,直线
,
分别与
轴交于
,
两点.若
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.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/b5558ffa6dc28d437c0467c7f361d444.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/7eb625a01549a61f59a73ff592d1a8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d108afb0bdf107c63387330687b8fc.png)
(1)求椭圆的方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f4455b81c74acee9d6ddd34ee4a709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-11-30更新
|
384次组卷
|
4卷引用:福建省福州市闽侯县第一中学2023-2024学年高二上学期第二次月考(12月)数学试题
福建省福州市闽侯县第一中学2023-2024学年高二上学期第二次月考(12月)数学试题天津市南开中学2023-2024学年高三上学期第二次月考数学试卷(已下线)黄金卷04(已下线)信息必刷卷04(天津专用)
名校
解题方法
9 . 已知椭圆
的左、右焦点分别为
、
,过点
且垂直于
轴的弦长为
,且 .(从以下三个条件中任选一个,将其序号写在答题卡的横线上并作答.)
①椭圆
的长轴长为
;②椭圆
与椭圆
有相同的焦点;③
,
与椭圆
短轴的一个端点组成的三角形为等边三角形.
(1)求椭圆
的标准方程;
(2)若直线
经过
,且与椭圆交于
,
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
①椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b51d0aaef52e4aabb9a54ea1c1f203.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/c5db41a1f31d6baee7c69990811edb9f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/76ea1c3fe8431260ecb8dffcdae8d570.png)
您最近一年使用:0次
2023-11-29更新
|
73次组卷
|
2卷引用:福建省莆田第四中学2023-2024学年高二上学期第二次月考数学试题
名校
解题方法
10 . 已知直线
经过椭圆C:
(
)的一个焦点F,且与C交于不同的两点A,B,椭圆C的离心率为
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2f3e86eafc651df947af2c471d820.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/f89eef3148f2d4d09379767b4af69132.png)
A.椭圆C的短轴长为![]() | B.弦![]() |
C.存在实数m,使得以AB为直径的圆恰好过点(1,0) | D.若![]() ![]() |
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