名校
解题方法
1 . 已知圆,
为圆
内一个定点,
是圆
上任意一点,线段
的垂直平分线
交
于点
,当点
在圆
上运动时.
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c83f9e7f57d03304c3d0e51f43aa5e4.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-11-13更新
|
968次组卷
|
4卷引用:山东省威海市乳山市银滩高级中学2023-2024学年高二上学期12月月考数学试题
2 . 已知椭圆
的焦距为2,离心率为
如图,在矩形ABCD中,
,
,E,F,G,H分别为矩形四条边的中点,过E做直线交x轴的正半轴于R点,交椭圆于M点,连接GM交CF于点T
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/5/6821999f-b323-4574-9616-d69ef6f9c49d.png?resizew=164)
(1)求椭圆的标准方程;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad51c072fc094bae0e45c1d1cc174823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7f6fca0cb9ee43e61cdc8f63ef8d51.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/5/6821999f-b323-4574-9616-d69ef6f9c49d.png?resizew=164)
(1)求椭圆的标准方程;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e0fb1dac3d81b4613a751263402a0c.png)
您最近一年使用:0次
名校
解题方法
3 . 在以
为圆心,6为半径的圆A内有一点
,点P为圆A上的任意一点,线段BP的垂直平分线
和半径AP交于点M.
(1)判断点M的轨迹是什么曲线,并求其方程;
(2)记点M的轨迹为曲线
,过点B的直线与曲线
交于C、D两点,求
的最大值;
(3)在圆
上的任取一点Q,作曲线
的两条切线,切点分别为E、F,试判断QE与QF是否垂直,并给出证明过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)判断点M的轨迹是什么曲线,并求其方程;
(2)记点M的轨迹为曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7906b66906ec5943b3bbd9ce9a47e7.png)
(3)在圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bfbb12e78cccbacd71d563985d7158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
您最近一年使用:0次
2023-03-10更新
|
486次组卷
|
4卷引用:山东省聊城市2019-2020学年高二上学期期末数学试题
山东省聊城市2019-2020学年高二上学期期末数学试题山东省青岛市2019-2020学年高二上学期期末数学试题上海市延安中学2023届高三下学期开学考试数学试题(已下线)重难点突破13 切线与切点弦问题 (五大题型)
解题方法
4 . 已知椭圆
的长轴长是4,离心率为
.
(1)求
的方程;
(2)若点P是圆
上的一动点,过点P作
的两条切线分别交圆O于点A,B.
①求证:
;
②求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163b5beef24f681605adecc6b0ba76e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若点P是圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f62686f6f9118291c444a8d5a4d0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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解题方法
5 . 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
6 . 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
7 . 已知椭圆
的离心率为
,且椭圆C经过点
.
(Ⅰ)求椭圆C的方程;
(Ⅱ)已知过点
的直线l与椭圆C交于不同的两点A,B,与直线
交于点Q,设
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981fe6f202c7a549a96230f49c11ab89.png)
(Ⅰ)求椭圆C的方程;
(Ⅱ)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af74113f38fffeed8075e57d7f9d2533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f2d7479433c7111ed66a7858b99139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b82fbc73eca81f78c35087c9a6166cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
2020-11-06更新
|
1500次组卷
|
7卷引用:山东省临沂市第十九中学2022-2023学年高二上学期期末数学试题
山东省临沂市第十九中学2022-2023学年高二上学期期末数学试题北京市朝阳区2020届高三年级下学期二模数学试题(已下线)第九单元 解析几何(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷(已下线)专题29 圆锥曲线求定值七种类型大题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)北京市第十四中学2023届高三上学期期中检测数学试题北京市北京师范大学附属中学2022-2023学年高二下学期期中考试数学试题北京高二专题01平面解析几何
2020高三·全国·专题练习
名校
解题方法
8 . 给定椭圆C:
(a>b>0),称圆心在原点O,半径为
的圆为椭圆C的“准圆”.若椭圆C的一个焦点为F(
,0),其短轴上的一个端点到F的距离为
.
(1)求椭圆C的方程和其“准圆”方程;
(2)若点P是椭圆C的“准圆”上的动点,过点P作椭圆的切线l1,l2交“准圆”于点M,N.证明:l1⊥l2,且线段MN的长为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da001dad7941e6c9858637d7b62cec59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求椭圆C的方程和其“准圆”方程;
(2)若点P是椭圆C的“准圆”上的动点,过点P作椭圆的切线l1,l2交“准圆”于点M,N.证明:l1⊥l2,且线段MN的长为定值.
您最近一年使用:0次
名校
9 . 已知椭圆
的右焦点为
,过点
且斜率为
的直线
与椭圆
交于
两点,线段
的中点为
为坐标原点.
(1)证明:点
在
轴的右侧;
(2)设线段
的垂直平分线与
轴、
轴分别相交于点
.若
与
的面积相等,求直线
的斜率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2261c662b3e3f6bccc8ddeb5a61b1175.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/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811ddb62dded70f279710ae6c0fdbb80.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/da8255e035cfd3c2e84f10b236b6fd97.png)
(1)证明:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f43dd27150098f6dfabfdac92da27e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac83f9aad1493bac1fdd2d240cbfa10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-01-13更新
|
620次组卷
|
2卷引用:2020届山东省青岛市第五十八中高三一模模拟考试数学试题
真题
名校
10 . 如图所示,已知椭圆
过点
,离心率为
,左、右焦点分别为
、
,点
为直线
上且不在
轴上的任意一点,直线
和
与椭圆的交点分别为
、
和
、
,
为坐标原点.
![](https://img.xkw.com/dksih/QBM/2010/6/18/1569764004544512/1569764009754624/STEM/5979e36c80124962a7d73c7fb974967a.png?resizew=265)
(1)求椭圆的标准方程;
(2)设直线
、
的斜线分别为
、
.
(i)证明:
;
(ii)问直线
上是否存在点
,使得直线
、
、
、
的斜率
、
、
、
满足
?若存在,求出所有满足条件的点
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe8530b8e246a9a5ec9fe3b9c347d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.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/b3070c679fb57d37e2224c5205fd3812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2010/6/18/1569764004544512/1569764009754624/STEM/5979e36c80124962a7d73c7fb974967a.png?resizew=265)
(1)求椭圆的标准方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
(i)证明:
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2019-01-30更新
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6卷引用:2010年普通高等学校招生全国统一考试文科数学(山东卷)
2010年普通高等学校招生全国统一考试文科数学(山东卷)2010年普通高等学校招生全国统一考试(山东卷)文科数学全解全析广东省华南师范大学附属中学2017-2018学年高二10月月考数学(理)试题福建省厦门市思明区厦门外国语学校2019-2020学年高二上学期期中数学试题人教A版(2019) 选择性必修第一册 过关斩将 第三章 圆锥曲线的方程 3.1 综合拔高练(已下线)专题13 解析几何中的范围、最值和探索性问题 第一篇 热点、难点突破篇(练)-2021年高考数学二轮复习讲练测(浙江专用)