名校
解题方法
1 . 已知圆
的焦点为
,长轴长与短轴长的比值为
.
(1)求M的方程;
(2)过点F的直线l与M交于A,B两点,BC⊥x轴于点C,AD⊥x轴于点D,直线BD交直线
于点E,求证:点C,A,E三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6011a66f8aeef500d2c745da770dc1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求M的方程;
(2)过点F的直线l与M交于A,B两点,BC⊥x轴于点C,AD⊥x轴于点D,直线BD交直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
您最近一年使用:0次
2022-05-08更新
|
461次组卷
|
2卷引用:山东省五莲县、诸城市、安丘市、兰山区四县区2022届高三过程性测试数学试题
名校
解题方法
2 . 已知椭圆
的右焦点为
,上顶点为
,直线
的斜率为
,且原点
到直线
的距离为
.
(1)求椭圆
的标准方程;
(2)设椭圆
的左、右顶点分别为
,过点
的动直线
交椭圆
于
,
两点,直线
相交于点
,证明:点
在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08e91d2fa9519a5f48d488176700499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.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/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adb619ca92790d5d3fa7652210ff8eb.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1e7fbf2fefb21c712a5d8214e0033d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2022-08-27更新
|
569次组卷
|
3卷引用:山东省百师联盟2022届高三下学期5月模拟数学试题
山东省百师联盟2022届高三下学期5月模拟数学试题河南省信阳高级中学2022-2023学年高三上学期开学考试数学(理)试题(已下线)第27讲 圆锥曲线中定直线问题-【同步题型讲义】2022-2023学年高二数学同步教学题型讲义(人教A版2019选择性必修第一册)
名校
解题方法
3 . 设椭圆E1的长半轴长为a1、短半轴长为b1,椭圆E2的长半轴长为a2、短半轴长为b2,若
,则我们称椭圆E1与椭圆E2是相似椭圆.已知椭圆E:
,其左顶点为A、右顶点为B.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/5dac46bc-e949-45a4-b896-78217eb24e98.png?resizew=153)
(1)设椭圆E与椭圆F:
是“相似椭圆”,求常数s的值;
(2)设椭圆G:
,过A作斜率为k1的直线l1与椭圆G只有一个公共点,过椭圆E的上顶点为D作斜率为k2的直线l2与椭圆G只有一个公共点,求|
的值;
(3)已知椭圆E与椭圆H:
是相似椭圆.椭圆H上异于A、B的任意一点C(x0,y1),且椭圆E上的点M(x0,y2)(
)求证:AM⊥BC.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd731967bb86ddf18e9e473daa96041a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/5dac46bc-e949-45a4-b896-78217eb24e98.png?resizew=153)
(1)设椭圆E与椭圆F:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b1f480c4cc86e47a97b712ce8473e7.png)
(2)设椭圆G:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8af798961237df56e74e191b88dc65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249f2c7aeab56b0265bbfb3b57011453.png)
(3)已知椭圆E与椭圆H:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f89b0bea245d8e71276f43503bae040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddef7fc1094028667143de29690d9a07.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆
的右顶点为
,离心率为
.过点
与x轴不重合的直线l交椭圆E于不同的两点B,C,直线
,
分别交直线
于点M,N.
(1)求椭圆E的方程;
(2)设O为原点.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54695f96e6f365b0cc79b3ceaf5d26cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
(1)求椭圆E的方程;
(2)设O为原点.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5897b35e64d5c814ac47b917d45e88.png)
您最近一年使用:0次
2022-05-05更新
|
2651次组卷
|
8卷引用:北京市东城区2022届高三二模数学试题
5 . 已知椭圆
过点
.
(1)求C的标准方程;
(2)若过点
且不与x轴垂直的直线
与C交于
两点,记C的上顶点为D,若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a4a6c4a511060116fbfc081dbd12e60.png)
(1)求C的标准方程;
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a9301fc1ac223f9ddee3e918b4d882.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/0133b26e390fe11bc46a35e6b523b809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd28cdb9f395d0506a50286f55f866d1.png)
您最近一年使用:0次
2022-03-15更新
|
225次组卷
|
2卷引用:江西省2022届高三智慧上进大联考一轮复习验收数学(文)试题
名校
解题方法
6 . 已知椭圆
的右焦点为
,左、右顶点分别为
,
,过点
任作一条直线
,与
交于异于
,
的
,
两点.
(1)设直线
,
的斜率分别为
,
,求证:
为定值;
(2)设直线
的斜率为
,是否存在正常数
,使得
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/a0ed1ec316bc54c37c4286c208f55667.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)设直线
![](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/546a035918f025942ca99b9ffebd8eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd6a1d6fab318824426e52464a575e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc73b5d6f6977c62283faacd4875f7d4.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279563c3c055777ce1aa369a2ef54aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18abc8b447e4a6ff19e6bd4a30cb7b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f46f16fa0a130ebdb3cb7b99b96a9e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-01-24更新
|
220次组卷
|
3卷引用:九师l联盟(江西省)2022届高三1月质量检测期末数学(文)试题
名校
解题方法
7 . 已知点
,不垂直于x轴的直线l与椭圆
相交于
,
两点.
(1)若M为线段AB的中点,证明:
;
(2)设C的左焦点为F,若M在∠AFB的角平分线所在直线上,且l被圆
截得的弦长为
,求l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f168123e5e9d8245c175dd6259eb3d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd1995c683ea622f150942ff32e4f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
(1)若M为线段AB的中点,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed499b34d527d32e9249b6805b5a93fa.png)
(2)设C的左焦点为F,若M在∠AFB的角平分线所在直线上,且l被圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
您最近一年使用:0次
2022-03-01更新
|
966次组卷
|
5卷引用:重庆市第八中学2021届高三下学期高考适应性考试(三)数学试题
重庆市第八中学2021届高三下学期高考适应性考试(三)数学试题江苏省南京市第一中学2021-2022学年高三上学期期中数学试题四川省南充高级中学2021-2022学年高三上学期第三次月考数学(文)试题(已下线)专题27 圆锥曲线点差法必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)(已下线)重难点11九种直线和圆的方程的解题方法-3
名校
解题方法
8 . 已知椭圆C:
,点
为椭圆的右焦点,过点F且斜率不为0的直线
交椭圆于M,N两点,当
与x轴垂直时,
.
(1)求椭圆C的标准方程.
(2)
,
分别为椭圆的左、右顶点,直线
,
分别与直线
:
交于P,Q两点,证明:四边形
为菱形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cbdd945cdadb7dca0d281d791374573.png)
(1)求椭圆C的标准方程.
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b06b75fb4e379ff3b99e68f40136cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b4379dc6fb670eab758530a8553dfd.png)
您最近一年使用:0次
2022-05-01更新
|
1457次组卷
|
3卷引用:广东省2022届高三二模数学试题
广东省2022届高三二模数学试题(已下线)考点20 椭圆-2-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)广东省东莞市东华高级中学2022-2023学年高二下学期期中考试数学试卷
名校
解题方法
9 . 已知椭圆
经过点
,焦距为
.
(1)求椭圆E的标准方程;
(2)若四边形
内接于椭圆E,对角线交于坐标原点O,且这两条对角线的斜率之积为
,求证:四边形
的任意一组邻边的倾斜角互补.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd40fadf77c01c856c9e5848c4215fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef233ad3db01fa3ce9ee94eaad8e64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆E的标准方程;
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解题方法
10 . 已知椭圆
的离心率
,长轴的左右端点分别为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754f0ba6dc354e7bc28f11ae9895d93f.png)
(1)求椭圆
的方程;
(2)设动直线
与曲线
有且只有一个公共点
,且与直线
相交于点
,求证:以
为直径的圆过定点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196553688ee450c0469ccefc2007649b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754f0ba6dc354e7bc28f11ae9895d93f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f24e616b5a35ff372c78c1472f156ab.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/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f36374ce95a4945d0e58264c2b271f.png)
您最近一年使用:0次
2021-12-03更新
|
1220次组卷
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6卷引用:天津市第一零二中学2021-2022学年高三上学期期中数学试题
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