名校
解题方法
1 . 已知椭圆
(
)的长轴长是短轴长的2倍.
(1)求椭圆的离心率
;
(2)直线
过点
且与椭圆有唯一公共点
,
为坐标原点,当
的面积最大时,求椭圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
(1)求椭圆的离心率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c41b2f7ca11db3aaea46c69286adbce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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2023-12-20更新
|
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4卷引用:广东省广州市天河中学2023-2024学年高二上学期12月月考数学试题
名校
解题方法
2 . 已知椭圆
的左、右焦点分别为
,
,离心率为
,过点
且与
轴垂直的直线与椭圆
在第一象限交于点
,且
的面积为
.
(1)求椭圆的标准方程;
(2)过点
的直线与
轴正半轴交于点
,与曲线
交于点
,
轴,过点
的另一直线与曲线
交于
,
两点,若
,求
所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/bf31876698721a199c7c53c6b320aa86.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5991e9ec7666f533a528a4173c58f0ff.png)
(1)求椭圆的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758e58169e6033c5124aab8ae96cfacf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.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/ff2c40b2fe4ff79af51673032c600bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2023-08-09更新
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2卷引用:广东省广州市执信中学2022-2023学年高二下学期3月月考数学试题
名校
解题方法
3 . 已知点T是圆
上的动点,点
,线段
的垂直平分线交线段
于点S,记点S的轨迹为曲线C.
(1)求曲线C的方程;
(2)过
作曲线C的两条不与坐标轴垂直的弦
和
,这两条弦的中点分别为P,Q,若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a194ca231d875b986a3256371b0d24f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bf58e5fea1189b33cf55d86335452f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
(1)求曲线C的方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f05b013e4b7166cbc87c5a83d6a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be401c4e805b265e443e22ebc9dfa85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
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2023-03-03更新
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2卷引用:广东省番禺中学2022-2023学年高二下学期测试数学试题
名校
解题方法
4 . 法国数学家加斯帕·蒙日被称为“画法几何创始人”、“微分几何之父”.他发现与椭圆相切的两条互相垂直的切线的交点的轨迹是以该椭圆中心为圆心的圆,这个圆称为该椭圆的蒙日圆.若椭圆
的蒙日圆为
,过圆C上的动点M作椭圆
的两条切线,分别与圆C交于P,Q两点,直线
交椭圆
于A,B两点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c385c7c3482ce42ba4d5106bf865353e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
A.椭圆![]() ![]() |
B.![]() ![]() |
C.M到![]() ![]() |
D.若动点D在![]() ![]() ![]() ![]() |
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2023-03-03更新
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7卷引用:广东省番禺中学2022-2023学年高二下学期测试数学试题
广东省番禺中学2022-2023学年高二下学期测试数学试题广东省广州番禺中学2022-2023学年高二下学期月考数学试题山西省运城市康杰中学2022-2023学年高二下学期3月月考数学试题江西省宜春市宜丰县宜丰中学创新部2022-2023学年高二下学期第一次月考数学试题福建省泉州市永春第一中学2022-2023学年高二上学期期中考试数学试题湖北省恩施州高中教育联盟2022-2023学年高二上学期期末数学试题(已下线)专题3.12 圆锥曲线的方程全章综合测试卷(提高篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)
解题方法
5 . 如图,椭圆
的下顶点为C,右顶点为D,且
,左焦点为
,过F且斜率为
的直线l与椭圆相交于A,B两点,交y轴于点P,M为线段AB的中点,直线OM交CD于点N,过点P作
交x轴于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/9c9b5e22-2aeb-44e5-9380-a42d4e06e90f.png?resizew=232)
(1)求椭圆的方程和直线CD的斜率;
(2)当
的面积为
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd96e8bada6bc53f1e5f8a2727617bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030700126fb012f13935f57780b96677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bdac20e214b2cb3bd07f8d4778dcca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937b59073d7db95c89a1981c75f8a7ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/9c9b5e22-2aeb-44e5-9380-a42d4e06e90f.png?resizew=232)
(1)求椭圆的方程和直线CD的斜率;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6831eebe15fc5b29ef629a850656fe00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa42621cd6793e7f3673fdb49bc3123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80db32fac2352412416e2c95d5d8a35c.png)
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6 . 设椭圆
:
的左右焦点分别为
,
,点
为椭圆
上一动点,过点
的直线与椭圆交于A、B两点,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
A.![]() ![]() | B.存在点![]() ![]() |
C.弦长![]() | D.![]() ![]() |
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2022-11-03更新
|
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5卷引用:广东省广州市第一一三中学2022-2023学年高二上学期阶段二数学试题
名校
解题方法
7 . 已知椭圆
的左、右焦点分别为
,椭圆上一点
满足
且
.
(1)求椭圆
的方程;
(2)过
作两条相互垂直的直线
分别交
于
,求四边形
面积
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5439f5ff9bd5deec0f0ef35c6f605b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462fe888672ce67ae96acdf2ece220f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dba6a7cb79dd477e9578d241f86b239.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4496fe22b40bc63581998e6b7ef6783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2022-03-27更新
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3卷引用:广东省广州市华南师范大学附属中学2023-2024学年高二下学期阶段检测(一)数学试题
解题方法
8 . 已知椭圆中心在原点,焦点在
轴上,椭圆的短轴长是2,离心率是
.
(1)求椭圆方程.
(2)经过椭圆的左焦点
作倾斜角为
的直线
,直线
与椭圆相交于
,
两点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆方程.
(2)经过椭圆的左焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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名校
9 . 如图,已知椭圆的标准方程为
,斜率为k且过椭圆右焦点F的直线交椭圆于A、B两点.
![](https://img.xkw.com/dksih/QBM/2021/11/20/2855169756839936/2857699254460416/STEM/49af3674-17b4-45c5-b279-18b45e97623e.png?resizew=263)
(1)若
与
共线.
(i)求椭圆的离心率;
(ii)设P为椭圆上任意一点,且
(λ,μ∈R),当
时,求证:
.
(2)已知椭圆的面积
,当k=1时,△AOB的面积为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://img.xkw.com/dksih/QBM/2021/11/20/2855169756839936/2857699254460416/STEM/49af3674-17b4-45c5-b279-18b45e97623e.png?resizew=263)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad7ce915e732d42fdab42890b716c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e457fb5bbf58b821b2059575e28712c.png)
(i)求椭圆的离心率;
(ii)设P为椭圆上任意一点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bca4c0ab83a3ca3b0ebf03281be74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f5b26a534cd57031f87deed44ccc76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7590de85fbde1728e65193b933a82bf8.png)
(2)已知椭圆的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62c6f18dd8b0c2706a1891e10135923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c3f647d5c34fa92a5034089d14ef32.png)
您最近一年使用:0次
2021-11-23更新
|
715次组卷
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3卷引用:广东省广州市真光中学2021-2022学年高二上学期12月月考数学试题
名校
解题方法
10 . 已知椭圆
的离心率为
,右焦点为F,且E上一点P到F的最大距离3.
(1)求椭圆E的方程;
(2)若A,B为椭圆E上的两点,线段AB过点F,且其垂直平分线交x轴于H点,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆E的方程;
(2)若A,B为椭圆E上的两点,线段AB过点F,且其垂直平分线交x轴于H点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c4c850be63cf8d63b1f8fd433af1f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96490d1212130e8b31e4e70862f9c349.png)
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2021-08-27更新
|
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7卷引用:广东省广州市铁一中学2021-2022学年高二上学期10月月考数学试题