名校
解题方法
1 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b6742a13f400ce52c83687727f93c9.png)
的离心率为
,圆
:
与
轴交于点
,
为椭圆
上的动点,
,
面积最大值为
.
(1)求圆
与椭圆
的方程;
(2)圆
的切线
交椭圆于点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b6742a13f400ce52c83687727f93c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4896f254406ddfe0744b63f10724e76a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200a594ebb167ec6fd1db3c1eb562a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
您最近一年使用:0次
2020-08-18更新
|
76次组卷
|
8卷引用:甘肃省张掖市2018届高三备考质量检测第三次诊断考试数学(文)试题
甘肃省张掖市2018届高三备考质量检测第三次诊断考试数学(文)试题广东省深中、华附、省实、广雅四校2018届高三模拟联考理科数学试题(已下线)2018年高考数学备考中等生百日捷进提升系列(综合提升篇) 专题05 解析几何解答题(已下线)专题21 圆锥曲线综合-2020年高考数学(文)母题题源解密(全国Ⅲ专版)(已下线)专题20 圆锥曲线综合-2020年高考数学(理)母题题源解密(全国Ⅲ专版)河南省平顶山市第一高级中学2023-2024学年高三上学期阶段测试数学试题(11月)广西桂林市第十八中学2019-2020学年高二下学期期中考试数学(理)试题天津市第四十七中学2023-2024学年高二上学期11月期中数学试题
名校
2 . 已知椭圆
的左、右焦点分别为
为椭圆上一动点,当
的面积最大时,其内切圆半径为
,设过点
的直线
被椭圆
截得线段
,
当
轴时,
.
(1)求椭圆
的标准方程;
(2)若点
为椭圆
的左顶点,
是椭圆上异于左、右顶点的两点,设直线
的斜率分别为
,若
,试问直线
是否过定点?若过定点,求该定点的坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56a64d6514ff711cfdf901949c253c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ff410a277986fc6045c1cb36f89e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd71f885f0349af6004844dc714297e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cce6cac0fdd4b1a434af8bcaec8fef.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165a501b2e6a3acc46212e59a166c053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09faeaba424b43177c255807a1447a70.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5671fb25040a712a49e8c8148d67d300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac9ba606fb477550aa62db7bfa0ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
名校
解题方法
3 . 椭圆
过点
,左焦点为F,PF与y轴交于点Q,且满足
.
(1)求椭圆C的方程;
(2)设圆
,直线
与圆O相切且与椭圆C交于不同两点A,B,当
且
时,求弦长
的范围,并求当弦长
最大时,直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b119baa3843aab819f6eb2b481a2663e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1252b0038488b97a55e3c5c979bf119b.png)
(1)求椭圆C的方程;
(2)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e971b0a3e927b2258b2219259dd81f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69738ad992e118c8b7ebdd2311f7787f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2020-02-22更新
|
339次组卷
|
2卷引用:2019届甘肃省西北师范大学附属中学高三第四次诊断考试数学(理)试题
名校
解题方法
4 . 已知点
在椭圆C:
上,且椭圆的离心率为
.
(1)求椭圆C的方程;
(2)若斜率为1的直线l与椭圆C交于A,B两点,以AB为底边作等腰三角形,顶点为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09fc0ad05b7d462d3fdebc3d75c989f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
(1)求椭圆C的方程;
(2)若斜率为1的直线l与椭圆C交于A,B两点,以AB为底边作等腰三角形,顶点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248909c543977b1a7490bc01fcf44d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2020-08-09更新
|
268次组卷
|
11卷引用:2020届甘肃省武威第六中学高三上学期第六次诊断考试数学(文)试题
2020届甘肃省武威第六中学高三上学期第六次诊断考试数学(文)试题2016届贵州市兴义市八中高三第七次月考文科数学试卷2016届贵州省都匀一中高三第十次月考文科数学试卷智能测评与辅导[文]-圆锥曲线的综合应用(已下线)专题9.5 椭圆(讲)【理】-《2020年高考一轮复习讲练测》(已下线)专题9.5 椭圆(练)【文】-《2020年高考一轮复习讲练测》黑龙江省哈尔滨市第一中学校2020届高三上学期开学考试数学试题(理科)(已下线)测试卷19 椭圆(A)-2021届高考数学一轮复习(文理通用)单元过关测试卷湖南省长沙市雅礼中学2021届高三下学期月考(六)数学试题【市级联考】湖南省湘西州2018-2019学年高二(上)期末数学试题(文科)新疆乌鲁木齐第四中学2021-2022学年高二上学期期中考试数学试题
名校
5 . 已知椭圆
:
的左、右焦点分别为
,
,若椭圆经过点
,且△PF1F2的面积为2.
(1)求椭圆
的标准方程;
(2)设斜率为1的直线
与以原点为圆心,半径为
的圆交于A,B两点,与椭圆C交于C,D两点,且
(
),当
取得最小值时,求直线
的方程.
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab62f6f18d30604d46b699b0d02c8db.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设斜率为1的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d41eefae3afd0b76c37bae26a240967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-12-04更新
|
1468次组卷
|
22卷引用:甘肃省天水一中2019届高三上学期一轮复习第五次质量检测(1月)数学(理)试题
甘肃省天水一中2019届高三上学期一轮复习第五次质量检测(1月)数学(理)试题【全国百强校】甘肃省天水一中2019届高三上学期一轮复习第五次质量检测(1月)数学(文)试题河南省2018届高三12月联考数学(文)试卷吉林省吉林市2018届高三第三次调研考试数学理试题【全国百强校】天津市第一中学2018届高三下学期第五次月考数学(文)试题【全国百强校】河北省武邑中学、景县中学2019届高三上学期联考数学(文)试题黑龙江省大庆第一中学2020届高三上学期第一次月考数学(理)试题宁夏回族自治区银川市一中2019-2020学年高三12月月考数学(文)试题河北省衡水市武邑县2019-2020学年高三上学期12月月考数学(文)试题(已下线)2020届高三12月第02期(考点08)(文科)-《新题速递·数学》2020届吉林省榆树市第一高级中学高三上学期期末数学(文)试卷2020届吉林省榆树市第一高级中学高三上学期期末数学(理)试题2020届山东省章丘市第四中学高三3月模拟考试数学试题山东省聊城一中2019-2020学年高三4月份线上模拟试题(已下线)理科数学-2020年高考押题预测卷01(新课标Ⅰ卷)《2020年高考押题预测卷》四川省南充高中2020届高三(3月份)第二次月考数学(文科)试题(已下线)黄金卷08-【赢在高考·黄金20卷】备战2021年高考数学(理)全真模拟卷(新课标Ⅲ卷)(已下线)黄金卷10-【赢在高考·黄金20卷】备战2021年高考数学(理)全真模拟卷(新课标Ⅱ卷)(已下线)黄金卷14-【赢在高考·黄金20卷】备战2021年高考数学(文)全真模拟卷(新课标Ⅱ卷)黑龙江省牡丹江市第三高级中学2021-2022学年高三上学期第五次月考数学(理)试题辽宁省部分高中2021-2022学年高三上学期期中评测数学试题【全国百强校】湖南省浏阳一中、醴陵一中2018-2019学年高二12月联考数学(文)试题
名校
6 . 已知椭圆
的左右焦点分别为
、
,上顶点为
,若直线
的斜率为
,且与椭圆的另一个交点为
,
的周长为
.
(1)求椭圆的标准方程;
(2)过点
的直线
(直线
的斜率不为
)与椭圆交于
、
两点,点
在点
的上方,若
,求直线
的斜率.
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b572e25f9bc8de4f6cc94b776f910145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求椭圆的标准方程;
(2)过点
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/31ccb2d283366511ed45e6f5adb78108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-10-21更新
|
976次组卷
|
15卷引用:甘肃省张掖市2018届高三备考质量检测第一次考试数学(文)试题
甘肃省张掖市2018届高三备考质量检测第一次考试数学(文)试题河北省承德市联校2018届高三上学期期末考试数学(文)试题(已下线)二轮复习测试专项 【新课标版理科数学】专题六 解析几何(已下线)二轮复习测试专项 【新课标版文科数学】专题六 解析几何山东省菏泽市九校2018届高三第一学期期末联考(理)数学试题陕西省榆林市2018届高三二模考试理数试题河南省六市2018届高三第一次联考(一模)数学(文)试题河北省辛集中学2020届高三上学期模拟考试(一)数学(理)试卷安徽省六安中学2020-2021学年高三上学期开学考试数学(文)试题山西省部分学校2023届高三下学期质量检测试题江西省南昌二中2017-2018学年度高二上学期期末考试数学(文)试题河南省新乡市2017-2018学年高二上学期期末考试数学试题河南省豫北名校2020-2021学年高二上学期12月质量检测数学(文)试题河南省商丘名校2022-2023学年高二上学期第二次联考数(理)试题河南省商丘名校2022-2023学年高二上学期期末联考数学(理)试题
7 . 已知曲线C上的任意一点到直线l:x=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
的距离与到点F(
)的距离相等.
(1)求曲线C的方程;
(2)若过P(1,0)的直线与曲线C相交于A,B两点,Q(
1,0)为定点,设直线AQ的斜率为k1,直线BQ的斜率为k2,直线AB的斜率为k,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349cb2b0b984dbb2f872939ccbe58bb3.png)
(1)求曲线C的方程;
(2)若过P(1,0)的直线与曲线C相交于A,B两点,Q(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eec4cc6ab7844a5d44dabcfbfe687a9.png)
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8 . 已知椭圆
的离心率为
,直线
过椭圆
的右焦点
,过
的直线
交椭圆
于
两点(均异于左、右顶点).
(1)求椭圆
的方程;
(2)已知直线
,
为椭圆
的右顶点. 若直线
交
于点
,直线
交
于点
,试判断
是否为定值,若是,求出定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4bdbef22c617288a80b656551e6370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.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/d50703c46b6153945d718b198f03b4b5.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/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bccc143823a0f0a655c8ec920ead7c8.png)
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2019-05-18更新
|
607次组卷
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3卷引用:2019届甘肃省天水市第一中学高三下学期最后一模考前练数学(理)试题
解题方法
9 . 设抛物线
的焦点为
,过
且斜率为
的直线
与抛物线交于
,
两点,
.
(1)求抛物线
的方程;
(2)若
关于
轴的对称点为
,求证:直线
恒过定点,并求出该点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f74746b1c070be8a78400ac976e36e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/99632c1a5725f77eff14738123fb4344.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
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10 . 定义:若两个椭圆的离心率相等,则称两个椭圆是“相似”的.如图,椭圆
与椭圆
是相似的两个椭圆,并且相交于上下两个顶点,椭圆
的长轴长是4,椭圆
长轴长是2,点
,
分别是椭圆
的左焦点与右焦点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/c373ee14-917f-4358-bf2a-6c6190df2865.png?resizew=215)
(1)求椭圆
,
的方程;
(2)过
的直线交椭圆
于点
,
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350e717335f91e301f70b74d79754219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782344a33eb505483a56c154bad2866c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/c373ee14-917f-4358-bf2a-6c6190df2865.png?resizew=215)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.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/f57f3371a6d387105c48f68ea82fbb2e.png)
您最近一年使用:0次
2019-11-02更新
|
893次组卷
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6卷引用:甘肃省肃南县第一中学2017届高三4月月考数学(理)试题