名校
解题方法
1 . 已知
、
分别是椭圆
的左、右顶点,过点
且斜率为
的直线
交椭圆
于
、
两个不同的点(
、
与
、
不重合).
(1)求椭圆
的焦距和离心率;
(2)若点
在以线段
为直径的圆上,求
的值;
(3)若
,设
为坐标原点,直线
、
分别交
轴于点
、
,当
且
时,求
的取值范围.
![](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/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec3fdb2722c0bcac5303546e87152a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149838cc5f33ae5d16e749363fe272cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8bb497f9766a835b00479293ded318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
2024-05-27更新
|
374次组卷
|
2卷引用:宁夏回族自治区银川九中、平罗中学、贺兰二高、西吉中学2024届高三第四次模拟考试联考数学(理)试卷
名校
解题方法
2 . 在平面直角坐标系
中,已知椭圆
的焦距为2,离心率为
,椭圆的右顶点为
.
(2)过点
作直线
交椭圆于两个不同点
,
,求证:直线
,
的斜率之和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcba5c93bd4035937949aafa0c354106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
您最近一年使用:0次
2020-09-06更新
|
2293次组卷
|
12卷引用:宁夏石嘴山市第三中学2019-2020学年高三第四次高考适应性考试数学(理)试题
宁夏石嘴山市第三中学2019-2020学年高三第四次高考适应性考试数学(理)试题2016-2017学年江苏苏锡常镇四市高三教学情况调研(一)数学试卷【全国市级联考】新疆维吾尔自治区乌鲁木齐地区2018届高三5月适应性训练数学(理)试题【全国市级联考】新疆乌鲁木齐地区2018届高三5月适应性训练数学文试题2020届重庆市北碚区高三上学期第一次诊断性考试数学试题2020届江苏省南通市如东县栟茶高级中学高三上学期第三次月考数学试题广东省佛山市禅城区佛山第一中学2022届高三上学期10月月考数学试题【全国百强校】江西省抚州市金溪县第一中学2018-2019学年高二12月月考数学(文)试题【全国百强校】江西省南昌市第十中学2018-2019学年高二上学期第二次月考数学(文)试题人教A版(2019) 选择性必修第一册 第三章 圆锥曲线的方程 单元测试陕西省渭南市大荔县2020-2021学年高二上学期期末数学(理)试题河南省济源市第四中学2023-2024学年高二上学期12月考数学试卷
名校
3 . 已知椭圆C的中心在坐标原点,焦点在x轴上,左顶点为A,左焦点为
,点
在椭圆C上,直线
与椭圆C交于E,F两点,直线AE,AF分别与y轴交于点M,N
Ⅰ
求椭圆C的方程;
Ⅱ
在x轴上是否存在点P,使得无论非零实数k怎样变化,总有
为直角?若存在,求出点P的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2a3a20f2715f640eab19553ee20395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57263eb46061de34df3c52814cfc1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c42d7b8e1d3221fc8b8074c9a090270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba441131061f773ab758b740dae3ad9f.png)
您最近一年使用:0次
2016-12-04更新
|
1243次组卷
|
4卷引用:【市级联考】宁夏中卫市2019届高三下学期第一次模拟考试数学(文)试题