12-13高二上·上海·期末
1 . 已知曲线
在
轴右边,
上每一点到点
的距离减去它到
轴距离的差是1.
(Ⅰ)求曲线
的方程;
(Ⅱ)过点
的直线
与
相交于
两点,点
关于
轴的对称点为
,证明:点
在直线
上;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5ca48ce0b513465d3092154badd9ef.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/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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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2 . 如图,已知椭圆
与
的中心在坐标原点
,长轴均为
且在
轴上,短轴长分别为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
,过原点且不与
轴重合的直线
与
,
的四个交点按纵坐标从大到小依次为
、
、
、
.记
,
和
的面积分别为
和
.
![](https://img.xkw.com/dksih/QBM/2015/7/30/1572199083941888/1572199089504256/STEM/c2941205593b4823b981cc1e5f1333c6.png?resizew=140)
(1)当直线
与
轴重合时,若
,求
的值;;
(2)设直线
,若
,证明:
是线段
的四等分点
(3)当
变化时,是否存在与坐标轴不重合的直线
,使得
?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad491e5b5e14c49ef8b7004ebcfcef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ce41c1548ce8cfb04284ad9768878a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/d9446953a9af41445c51e5221131fa8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2640a7425ddd37334d14a5443479b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea87072d1ccedbc0491f781952e75e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/2015/7/30/1572199083941888/1572199089504256/STEM/c2941205593b4823b981cc1e5f1333c6.png?resizew=140)
(1)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9458cc689193454e034845cca32a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a4af6d403d3e8cdb1365fa22ea3383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371a0f40eaadc08443e3ac0a9cd86196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9458cc689193454e034845cca32a42.png)
您最近一年使用:0次
2016-12-03更新
|
824次组卷
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2卷引用:2015届上海市普陀区高三三模调研理科数学试卷
3 . 已知抛物线
的焦点为
,
为
上异于原点的任意一点,过点
的直线
交
于另一点
,交
轴的正半轴于点
,且有
.当点
的横坐标为
时,
为正三角形.
(Ⅰ)求
的方程;
(Ⅱ)若直线
,且
和
有且只有一个公共点
,
(ⅰ)证明直线
过定点,并求出定点坐标;
(ⅱ)
的面积是否存在最小值?若存在,请求出最小值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a4cadf68221120badd8ccfe0bd8600.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/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/7f9e8449aad35c5d840a3395ea86df6d.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/132471e8c2bd2696caaa94efed0b99d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec012a6e524839874fd5e757c5fef8e.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88c9366bb209931c6b28353dbab9a52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(ⅰ)证明直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73d6dde62cacc0d1fc589d3f1565304.png)
您最近一年使用:0次
2016-12-03更新
|
4413次组卷
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15卷引用:沪教版(上海) 高三年级 新高考辅导与训练 第二部分 走近高考 第十一章 圆锥曲线高考题选
沪教版(上海) 高三年级 新高考辅导与训练 第二部分 走近高考 第十一章 圆锥曲线高考题选2016届湖南省常德市一中高三上第五次月考理科数学试卷2016-2017学年山西怀仁一中高二理上学期月考三数学试卷福建省2016届高三毕业班总复习(圆锥曲线)单元过关平行性测试卷数学文科试题2020届湖南省株洲市第二中学高三上学期第三次月考数学(理)试题浙江省杭州师大附中2020届高三下学期考前模拟数学试题(已下线)痛点15 圆锥曲线中的综合问题-2021年新高考数学一轮复习考点扫描(已下线)专题9.7 圆锥曲线综合问题(练)-2021年新高考数学一轮复习讲练测(已下线)专题9.7 圆锥曲线综合问题(精练)-2021年新高考数学一轮复习学与练(已下线)专题9.7 圆锥曲线综合问题 2022年高考数学一轮复习讲练测(新教材新高考)(练)(已下线)专题31 直线与圆锥曲线的位置关系-2022年高三毕业班数学常考点归纳与变式演练(文理通用)(已下线)专题46 盘点圆锥曲线中的最值与范围问题——备战2022年高考数学二轮复习常考点专题突破(已下线)专题24 圆锥曲线中的存在性、探索性问题 微点2 圆锥曲线中的探索性问题(已下线)专题9.9 圆锥曲线的综合问题(讲)-浙江版《2020年高考一轮复习讲练测》(已下线)专题24 解析几何解答题(理科)-3
2013·上海奉贤·一模
解题方法
4 . 设函数
定义域为
,且
.设点
是函数图像上的任意一点,过点
分别作直线
和
轴的垂线,垂足分别为
.
![](https://img.xkw.com/dksih/QBM/2013/8/15/1571316314865664/1571316320591872/STEM/102f338a411247569cc4a8a4f099469a.png?resizew=216)
(1)写出
的单调递减区间(不必证明);
(2)问:
是否为定值?若是,则求出该定值,若不是,则说明理由;
(3)设
为坐标原点,求四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a49357761541c7f84466c45843073e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://img.xkw.com/dksih/QBM/2013/8/15/1571316314865664/1571316320591872/STEM/102f338a411247569cc4a8a4f099469a.png?resizew=216)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)问:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e057c31608d8a78166c09ddeb3a5a3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40b8789cc8d81b3cf64f0b318ab982a.png)
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5 . 如图,椭圆
:
,a,b为常数),动圆
,
.点
分别为
的左,右顶点,
与
相交于A,B,C,D四点.
(1)求直线
与直线
交点M的轨迹方程;
(2)设动圆
与
相交于
四点,其中
,
.若矩形
与矩形
的面积相等,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af322e4afc5606e5235cbed8e55231e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c566a9ffb9f04757bc0ac1a94aeb7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80e32b61a5999ec6671926d1c157834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668438e15423368cd744445e824d18a1.png)
(2)设动圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf69ecca0373e0b9698af1c71b6a95de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16770fed14f17afa33f92ccc05f04c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64aa7bd042807fe65d2142122a8798da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ebb80110bb96eb3f69c2284e1b5c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66b1e7c0a5d3ffd25294478c089ca50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57242e8138aa259151317238007766c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/f4240ece-720c-4f7a-b962-563e9594bda0.png?resizew=196)
您最近一年使用:0次
2016-12-01更新
|
4709次组卷
|
7卷引用:沪教版(上海) 高三年级 新高考辅导与训练 第二部分 走近高考 第十一章 圆锥曲线高考题选
沪教版(上海) 高三年级 新高考辅导与训练 第二部分 走近高考 第十一章 圆锥曲线高考题选(已下线)重难点08 直线与圆锥曲线(定点定值最值问题)-2021年高考数学【热点·重点·难点】专练(上海专用)2012年全国普通高等学校招生统一考试理科数学(辽宁卷)(已下线)第三章 圆锥曲线的方程单元总结(思维导图+知识记诵+能力培养)-【一堂好课】2021-2022学年高二数学上学期同步精品课堂(人教A版2019选择性必修第一册)(已下线)专题5 非对称韦达定理的处理 微点2 非对称韦达定理的处理综合训练(已下线)专题43 圆锥曲线中的仿射变换、非对称韦达、光学性质问题-2(已下线)专题9-6 圆锥曲线大题:非韦达定理形式归类
2010·上海长宁·二模
6 . 已知椭圆
的左右焦点分别为
,短轴两个端点为
,且四边形
是边长为2的正方形.
(1)求椭圆的方程;
(2)若
分别是椭圆长轴的左右端点,动点
满足
,连接
,交椭圆于点
.证明:
为定值;
(3)在(2)的条件下,试问
轴上是否存在异于点
的定点
,使得以
为直径的圆恒过直线
的交点,若存在,求出点
的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/117f032dae9f4d1a96cd267a4740e172.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/f500c4b94693467a922e6af36f7c3dcc.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/cd12f09ef97842eea320e795460ba65e.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/973a5d7e7d864a2197a8133f93ff094e.png)
(1)求椭圆的方程;
(2)若
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/deecb87cc0374e23ad0c210ae4e40916.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/8c90a4f40a864f04bef8b59060347fb8.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/5d01095cf9294264be0a442fa621adf7.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/d7abebb39d8e465588e9cded6cb1c424.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/a79a48f37070409d9f22abeedf170522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b812563c720022bc08c33f729bfcd8.png)
(3)在(2)的条件下,试问
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/4096fea4aee44dd39c008e5494733dc5.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/70ec3d5180704561a553478c479120e0.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/d6447b932ebd4b88aad172bf843fae57.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/5e7ee4022c484ef89c5915ddd1573a8d.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/27079a9fa42840a39cfcc21048cc9352.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/d6447b932ebd4b88aad172bf843fae57.png)
![](https://img.xkw.com/dksih/QBM/2014/5/21/1571733683970048/1571733689868288/STEM/3962cb9b187d49fda2e5a6c0a28197e6.png)
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名校
7 . 已知函数
,
.
(1)若曲线
在点
处的切线斜率为
,求实数
的值;
(2)若
在
有两个零点,求
的取值范围;
(3)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa507fba713b4c02364ded9b3797e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9768ac76c6edc6ef3ccb9aa0da0d895.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5016b26f997e660558a9f33f2a6a4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcedbef8f4c6d9089d360491eab99aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881fec40d166eecf66123058faf05fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c89437d07b774aed5a38ea8ed77ca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d27ae047f755d4155b5b96630f593a.png)
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2卷引用:2017届上海市宜川中学高三第三次模拟(理)数学试题
真题
名校
8 . 已知椭圆
:
的两个焦点与短轴的一个端点是直角三角形的三个顶点,直线
:
与椭圆
有且只有一个公共点T.
(Ⅰ)求椭圆
的方程及点
的坐标;
(Ⅱ)设
是坐标原点,直线
平行于
,与椭圆
交于不同的两点
、
,且与直线
交于点
,证明:存在常数
,使得
,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae652daf6059ff386f99bef2210518c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99fa94a1f3e4964fcc13a14fab9ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73701e1a6ce2f688821bcb71d0d9ca24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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22卷引用:上海市市东中学2016-2017学年高三下学期第一次测验数学试题
上海市市东中学2016-2017学年高三下学期第一次测验数学试题2016年全国普通高等学校招生统一考试理科数学(四川卷精编版)2017届湖南省长郡中学、衡阳八中等十三校重点中学高三第二次联考理科数学试卷天津市第一中学2017届高三下学期第五次月考数学(文)试题2019届高考数学人教A版理科第一轮复习单元测试题:第九章 解析几何(已下线)实战演练8.3-2018年高考艺考步步高系列数学智能测评与辅导[理]-圆锥曲线的综合应用安徽省部分省示范中学2018-2019学年高二下学期期中数学(文)试题江苏省扬州中学2019-2020学年高三下学期4月月考数学试题四川省宜宾市叙州区第二中学校2019-2020学年高二下学期第四学月考试数学(文)试题江西省南昌十中2020届高三高考适应性考试文科数学试题(已下线)专题18 解析几何综合-五年(2016-2020)高考数学(文)真题分项(已下线)专题18 解析几何综合-五年(2016-2020)高考数学(理)真题分项辽宁省辽阳市七校联合体2019-2020学年高三上学期12月份月考理科数学试题广东省深圳市高级中学2020-2021学年高二下学期期中数学试题(已下线)考点44 圆锥曲线中的综合性问题-备战2022年高考数学典型试题解读与变式(已下线)专题8 利用仿射变换轻松解决圆锥曲线问题 微点3 利用仿射变换轻松解决圆锥曲线问题综合训练(已下线)专题24 圆锥曲线中的存在性、探索性问题 微点1 圆锥曲线中的存在性问题(已下线)2016年全国普通高等学校招生统一考试理科数学(四川卷参考版)(已下线)第五篇 向量与几何 专题3 仿射变换与反演变换 微点5 仿射变换综合训练(已下线)大招27仿射变换四川省成都市石室中学2023-2024学年高二下学期5月月考数学试题
9 . 已知椭圆
,过原点的两条直线
和
分别于椭圆交于
、
和
、
,记得到的平行四边形
的面积为
.
(1)设
,
,用
、
的坐标表示点
到直线
的距离,并证明
;
(2)设
与
的斜率之积为
,求面积
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3620b5ca85d6c3ce9987f36d04b4ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2868b617c871e18c928c9a573bc8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49de2536004d4f0819e781fffca41a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f0b669ef4514f24ee09adeff7f41238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4a1dc86ec008a976874c72f84c45c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98387b5667c9256e791261a51b1d8f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ccf57ab2012c2d9a7fa508efa1f800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2868b617c871e18c928c9a573bc8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b45151bd4965b3e85f3449bfe64759.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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|
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8卷引用:2015年全国普通高等学校招生统一考试理科数学(上海卷)
2015年全国普通高等学校招生统一考试理科数学(上海卷)上海市延安中学2015-2016学年高二上学期期末数学试题沪教版(上海) 高二第二学期 新高考辅导与训练 第12章 圆锥曲线 12.4(2) 直线与椭圆的位置关系(已下线)课时36 椭圆-2022年高考数学一轮复习小题多维练(上海专用)上海市复兴中学2022-2023学年高二下学期期中数学试题高中数学解题兵法 第八十二讲 实施方案 层层推进(已下线)第28题 通性通法为根基,设参变换有妙招(优质好题一题多解)(已下线)专题24 解析几何解答题(理科)-1
14-15高三上·上海虹口·期末
10 . 已知圆C过定点
,圆心C在抛物线
上,M,N为圆C与x轴的交点.
(1)当圆心C是抛物线的顶点时,求抛物线准线被该圆截得的弦长.
(2)当圆心C在抛物线上运动时,
是否为一定值?请证明你的结论.
(3)当圆心C在抛物线上运动时,记
,求
的最大值,并求出此时圆C的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9112bdf193400278a319ebd904d0f73e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f4123c19136d3a4dc040dce8e34e14.png)
(1)当圆心C是抛物线的顶点时,求抛物线准线被该圆截得的弦长.
(2)当圆心C在抛物线上运动时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b33a08aa12bc8a1c671f8cb673ed0b.png)
(3)当圆心C在抛物线上运动时,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe5010f438b918871f94096145fbc16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c26ee0f01990cd336dc2452014ea0b.png)
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