名校
1 . 已知椭圆
的短轴长为2,离心率为
,直线
过点
交椭圆
于
两点,
为坐标原点.
(1)求椭圆
的方程;
(2)求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4207990dc0e23693b51c5b3bebe8fbe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244225fbf8edd8512543091f89b9606f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7bdc75c9a9fba398e737d4832101f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056fca6ea1674a2ccc2621fb15ac1a3c.png)
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2016-12-04更新
|
565次组卷
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6卷引用:四川省宜宾市叙州区第一中学2020-2021学年高二上学期第一次月考数学(文)试题
2 . 已知椭圆
:
(
)的左焦点为
,离心率为
.
(Ⅰ)求椭圆
的标准方程;
(Ⅱ)设
为坐标原点,
为直线
上一点,过
作
的垂线交椭圆于
,
.当四边形
是平行四边形时,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/95d725494ad76dc0ef160cf05af0f1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963111aff6952322dfaca75ae069873c.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/0dfadfa88561e6187ebc8e49355a4124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfadfa88561e6187ebc8e49355a4124.png)
您最近一年使用:0次
2016-12-03更新
|
3780次组卷
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12卷引用:2014年全国普通高等学校招生统一考试文科数学(四川卷)
2014年全国普通高等学校招生统一考试文科数学(四川卷)四川省泸州泸县第五中学2017-2018学年高二上学期期末模拟考试数学(文)试题四川省通江中学2021-2022学年高二下学期入学考试文科数学试题四川省绵阳南山中学实验学校2023-2024学年高二上学期数学期末模拟四2016-2017学年山东省淄博市临淄中学高二上学期期末考试数学(理)试卷安徽省合肥市第一中学2020届高三下学期最后一卷文科数学试题安徽省宣城市郎溪县2021届高考仿真模拟考试数学(文)试题江苏省南通市如皋市部分学校2021届高三下学期6月份临门一脚考试数学试题云南省楚雄实验中学2023届高三上学期12月月考数学试题宁夏银川一中2023届高三下学期第五次月考数学(理)试题宁夏银川一中2023届高三下学期第五次月考数学(文)试题(已下线)专题24 解析几何解答题(文科)-2
名校
解题方法
3 . 已知椭圆
.
![](https://img.xkw.com/dksih/QBM/2019/6/7/2220495461875712/2220705193926656/STEM/b037d0b6862846b58e2d243cb6d6bbdd.png?resizew=195)
(Ⅰ)若椭圆
的离心率为
,求
的值;
(Ⅱ)若过点
任作一条直线
与椭圆
交于不同的两点
,
,在
轴上是否存在点
,使得
?若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13929d320bb1482142a04965996334f4.png)
![](https://img.xkw.com/dksih/QBM/2019/6/7/2220495461875712/2220705193926656/STEM/b037d0b6862846b58e2d243cb6d6bbdd.png?resizew=195)
(Ⅰ)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(Ⅱ)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210fec82bf08fa7f0af56e98f568cc20.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4dc16df00eabdde6c57c33c7cbec9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2017-02-17更新
|
1961次组卷
|
8卷引用:四川省成都市双流中学2021届高三下学期三模数学(理)试题
2014·甘肃张掖·三模
名校
4 . 已知椭圆
的离心率为
,以原点
为圆心,椭圆的短半轴长为半径的圆与直线
相切.
(1)求椭圆
的标准方程;
(2)若直线
与椭圆
相交于
、
两点,且
,试判断
的面积是否为定值?若为定值,求出定值;若不为定值,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/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2014/4/25/1571671704649728/1571671710507008/STEM/1e700e330a4c497483d7c4ebcdfc490f.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/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/dd386bcd21aebfe5e25ba23a8fab7ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a9354a07397b21c33820fc2590e814.png)
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2017-07-24更新
|
1153次组卷
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5卷引用:四川省成都外国语学校2016-2017学年高二下学期期中考试 数学(文)试题
四川省成都外国语学校2016-2017学年高二下学期期中考试 数学(文)试题(已下线)2014届甘肃省张掖市高三第三次诊断考试理科数学试卷(已下线)2014届甘肃省张掖市高三第三次诊断考试文科数学试卷江西省抚州市南城县第二中学2016-2017学年高二下学期第一次月考数学(文)试题广东实验中学2022届高三上学期11月阶段性考试数学试题
名校
5 . 已知椭圆
的离心率为
,以
为圆心,椭圆的短半轴长为半径的圆与直线
相切.
(1)求椭圆
的标准方程;
(2)已知点
和平面内一点
,过点
任作直线
与椭圆
相交于
,
两点,设直线
,
,
的斜率分别为
,
,
,
,试求
,
满足的关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5671edcdeb179109c1abd44dc17bc15.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d3c69008009bed1a23c397fb7b99be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e738352ba1f3c9e57f3f8d26eda784d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.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/5c3ead0e20d40b295c0e366b28bb28be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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9卷引用:2017届四川成都七中高三10月段测数学(理)试卷
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6 . 设非零向量
,
,规定:
,点
分别是椭圆
:
的上顶点和右顶点,且
,离心率
.
(1)求椭圆
的方程;
(2)设椭圆
与直线
交于不同两点
,又点
,当
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d0692c60541a453ce8cc40c9ce9aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b4482763ddf525854a6f5e7c03dc54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c57a875c1ebe6ed241c6598ecbaee1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](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/34ca84730d125f37663bf987b4077776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234e7679481ec0d01c915b7fbb71891d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cffa52177f31cd10c42d00f69d4da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33091c6dcc5e3c822fa3242c9437aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
7 . 设非零向量
,
,规定:
,
是椭圆
:
的左、右焦点,点
分别是其上顶点、右顶点,且
,离心率
.
(1)求椭圆
的方程;
(2)过焦点
的直线交椭圆
于点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445bc991a4a02776199f7412c84f37c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca6585ddf1b081bf04c48251b4cb054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cd7ba82f3774e9cc56b791a20cc333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dba9254c1d8dc1b2738e90d632c205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a760eda2cdb8b596aaf1f86eeaabc519.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过焦点
![](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/1a1a6b378137794a045b4e2f948d424f.png)
您最近一年使用:0次
8 . 已知椭圆
的离心率为
,过左焦点
的直线与椭圆交于
两点,若线段
的中点为
.
(1)求椭圆的方程;
(2)过右焦点的直线
与圆
相交于
、
,与椭圆
相交于
、
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3544fc58ec56e178a80cd5cc903a3457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d0695bd835a8724e664193227d627a.png)
(1)求椭圆的方程;
(2)过右焦点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84dea771a6c35a65cf02109b2eab1f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74299041d37f4b1c1fc3cd8b9f8fe7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8998b0b25aceb10e4a8f505b0d63525.png)
您最近一年使用:0次
2016-12-04更新
|
418次组卷
|
3卷引用:2016届四川凉山州高三第三次诊断数学(文)试卷
解题方法
9 . 已知椭圆
过点
,其离心率为
.
(1)求椭圆
的方程;
(2)设椭圆
的右顶点为
,直线
交
于两点
(异于点
),若
在
上,且
,
,证明直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7920d2550a6af7df3db60a33fe02c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c9d3bdcf22222cb45e46d5c67e3912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
10 . 已知椭圆
的离心率为
,且经过点
,两个焦点分别为
.
(1)求椭圆
的方程;
(2)过
的直线
与椭圆
相交于
两点,若
的内切圆半径为
,求以
为圆心且与直线
相切的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e2f2d391b1e6304eb2bba560d0ccdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dfb290b1a84f670549554a0c988593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b8a2d905e560d0034930bdd678638e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddd9f54eebb015ca343e7ae075b53cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-04更新
|
699次组卷
|
3卷引用:【全国百强校】四川省成都七中2018-2019学年高二下学期入学数学(文科)试题