名校
1 . 已知数列
是公差
的等差数列,记
为其前n项和
(1)若
,
,
依次成等比数列,求其公比q;
(2)若
,
,求证:点
都在同一条直线上;
(3)若
,
,
,是否存在一个半径最小的圆,使得对任意
,点
都在这个圆内或圆周上,如果存在,写出这个圆的方程;如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151edf1bc8623f18caf42b883fbb3c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec5092048ae59b74623c4be1048c8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ce73a29613e7b5170d948d000873c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15520cf5be7c2685975aac51bc99ac4f.png)
您最近一年使用:0次
2 . 如图,
,定义平面坐标系
为仿射坐标系,在该仿射坐标系中,任意一点
的斜坐标这样定义:
、
分别为与
轴、
轴正方向同向的单位向量,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f8d2c1cd7c5effee065778551052b9.png)
,则规定点
的斜坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/14/355cf388-66dd-402f-947c-bc9c7a7152e0.png?resizew=180)
(1)求以
为圆心,半径为1的圆在该仿射坐标系中的方程;
(2)已知点
的斜坐标为
,点
的斜坐标为
,求直线
在该仿射坐标系中的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8cafca0adab2a0585529b0ab4abd3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.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/98f8d2c1cd7c5effee065778551052b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82339bb04d6f436b154b95b4bb73a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/14/355cf388-66dd-402f-947c-bc9c7a7152e0.png?resizew=180)
(1)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020-12-03更新
|
670次组卷
|
5卷引用:上海市徐汇区上海中学2020-2021学年高二上学期期中数学试题
上海市徐汇区上海中学2020-2021学年高二上学期期中数学试题(已下线)第19讲压轴综合题(讲义)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)(已下线)上海期末真题精选50题(大题压轴版)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)(已下线)第8章 平面向量(章节压轴题专练)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)(已下线)第08讲 平面向量的正交分解及坐标表示
20-21高二上·江苏南通·期中
名校
解题方法
3 . 如图所示,椭圆
的离心率为
,其右准线方程为
,A、B分别为椭圆的左、右顶点,过点A、B作斜率分别为
、
,直线AM和直线BN分别与椭圆C交于点M,N(其中M在x轴上方,N在x轴下方).
(2)若直线MN恒过椭圆的左焦点
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4e50892b9adf55202f31f797bd0791.png)
(2)若直线MN恒过椭圆的左焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb0c199b9c79aa2eea0537f01456c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
您最近一年使用:0次
2020-11-29更新
|
1558次组卷
|
10卷引用:江苏省南通市如皋市2020-2021学年高二上学期期中数学试题
(已下线)江苏省南通市如皋市2020-2021学年高二上学期期中数学试题(已下线)江苏省南通市如皋市2020-2021学年高二上学期教学质量调研(二)数学试题宁夏吴忠市吴忠中学2022-2023学年高二上学期第三次月考数学(理)试题江苏省扬中市第二高级中学2021-2022学年高二上学期期末检测数学试题(二)(已下线)高二上学期期末模拟测试卷(基础版)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)河南省周口市川汇区周口恒大中学2023-2024学年高二下学期4月期中数学试题江苏省南京航空航天大学附属高级中学2020-2021学年高三上学期12月阶段性测试数学试题(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)(已下线)专题9-6 圆锥曲线大题:非韦达定理形式归类(已下线)专题8-2 圆锥曲线综合大题归类(讲+练)-1
名校
解题方法
4 . 已知椭圆
:
(
),
为坐标原点,长轴长为4,离心率
.
(1)求椭圆
的方程;
(2)设直线
的方程为:
,点
为椭圆
在
轴正半轴上的顶点,过点
作
,垂足为
,点
在椭圆上(不同于点
)且满足:
,求直线
的斜率
.
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0aafd52e26c241c46d0206f42f415.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae781496bb5bc79b67abced9aa3cd0c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e6f618ec5f7586755022b10a7e8322.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
名校
解题方法
5 . 已知椭圆
的左右焦点是
,且
的离心率为
.抛物线
的焦点为
,过
的中点
垂直于
轴的直线截
所得的弦长为
.
(1)求椭圆
的标准方程;
(2)设椭圆
上一动点
满足:
,其中
是椭圆
上的点,且直线
的斜率之积为
.若
为一动点,点
满足
.试探究
是否为定值,如果是,请求出该定值;如果不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef79f375ce0a9b834c9e2b6be0671101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c74e2c4bff67edf76c9d2ef7b18ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d107e77106ff1a9cb76b504bbc99bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5f37f860e9598aaf99568ac1d4380c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a5e484dfef494d27bc35ae7b8cf75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462c0b40f74722835ae5ec82b4a09db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9074ee272076b28944f1629a775ba3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d6284a7f7c269cb7157cfb43fe3e7f.png)
您最近一年使用:0次
2020-10-23更新
|
829次组卷
|
7卷引用:陕西省西安市高新一中2018-2019学年高二上学期期末理科数学试题
名校
解题方法
6 . 在平面直角坐标系中,A、B分别为椭圆
的上、下顶点,若动直线l过点
,且与椭圆
相交于C、D两个不同点(直线l与y轴不重合,且C、D两点在y轴右侧,C在D的上方),直线AD与BC相交于点Q.
![](https://img.xkw.com/dksih/QBM/2020/5/20/2467035959590912/2467448087543808/STEM/c53dfd0f5f1540fc8d091d46f5ae0ccb.png?resizew=216)
(1)设
的两焦点为
、
,求
的值;
(2)若
,且
,求点Q的横坐标;
(3)是否存在这样的点P,使得点Q的纵坐标恒为
?若存在,求出点P的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e759f106cb7761ca3128802223a77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5a3888a4c5c93101b11527141ac48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://img.xkw.com/dksih/QBM/2020/5/20/2467035959590912/2467448087543808/STEM/c53dfd0f5f1540fc8d091d46f5ae0ccb.png?resizew=216)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/62180fb2b68724b7b0f4f8337496c12a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730c2cc091620cee6bb7ac099ea261e2.png)
(3)是否存在这样的点P,使得点Q的纵坐标恒为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
您最近一年使用:0次
2020-05-21更新
|
623次组卷
|
5卷引用:四川省攀枝花市第七高级中学校2021-2022学年高二上学期半期检测数学(理)试题
四川省攀枝花市第七高级中学校2021-2022学年高二上学期半期检测数学(理)试题2020届上海市闵行区高三二模数学试题(已下线)热点04 平面向量、复数-2021年高考数学【热点·重点·难点】专练(上海专用)上海市大同中学2022届高三下学期开学考试数学试题(已下线)第13讲 椭圆 - 1
名校
7 . 如图,
三点不共线,
,
,设
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/104627b2-6d7c-4412-8e00-ac13fced4943.png?resizew=214)
(1)试用
表示向量
;
(2)设线段
的中点分别为
,试证明
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f5e21d225bf3c159ddf3876fbb8fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4889c71f59b01a0b85203516999172b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31b499b2946ba89853377d59b972b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe136ff8396ff6f80de6e616f290717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cae49aecae12a1aaaa29cb194a11bd3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/104627b2-6d7c-4412-8e00-ac13fced4943.png?resizew=214)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116e2e7116a7b5cd0a912ec0699ca017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d95523797cb4cc9e807180c5648adba.png)
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270b1fa1a61e460581cb408cef8dd3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8eb8ce67d4a46a38bd00b35c1ffced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8eb8ce67d4a46a38bd00b35c1ffced.png)
您最近一年使用:0次
2020-05-09更新
|
1379次组卷
|
8卷引用:广东省惠珠联考2023-2024学年高二上学期10月联考数学试题
广东省惠珠联考2023-2024学年高二上学期10月联考数学试题湖北省襄阳五中2019-2020学年高一下学期网上学习3月月考数学试题(已下线)9.4 向量应用 2020-2021学年高一数学同步课堂帮帮帮(苏教版2019必修第二册)沪教版(2020) 必修第二册 单元训练 第8章 向量的概念和线性运算 (B卷)1.4向量的分解与坐标表示(一)(已下线)专题07 向量的应用-【寒假自学课】(苏教版2019)(已下线)第六章 本章综合--归纳本章考点【第一课】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)6.4.1 平面几何中的向量方法-同步题型分类归纳讲与练(人教A版2019必修第二册)
名校
8 . 已知圆
,直线
与圆
相交于
两点,且
.
(1)求直线
的方程;
(2)已知点
,
,
,点
是圆
上任意一点,点
在线段
上,且存在常数
使得
,求点
到直线
距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01268ac8e838d0f45ccb35bc1d479d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8003ed8d06b4159be777e1acb5598e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8b709a173120436dac669c74b927d8.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a51e0f77f63bae2df3dc8b1d4f455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eef038344de929951c13f3a7fa04f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14436636ec6a7aec09cb63cecf6e970d.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054f33814f1b86067803077330269f6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-05-01更新
|
612次组卷
|
3卷引用:山西省山西大学附属中学、汾阳中学2020-2021学年高二上学期12月月考数学(理)试题
9 . 如图,已知圆
:
,点
是圆
内一个定点,点
是圆上任意一点,线段
的垂直平分线
和半径
相交于点
.当点
在圆上运动时,点
的轨迹为曲线
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/e5739b5a-44f3-42ae-81ff-dd209b92224f.png?resizew=140)
(1)求曲线
的方程;
(2)设过点
的直线
与曲线
相交于
两点(点
在
两点之间).是否存在直线
使得
?若存在,求直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a8dfa9c643db95f387916f715d1a846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/e5739b5a-44f3-42ae-81ff-dd209b92224f.png?resizew=140)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb203d8908ffd00fc19e6d8b5f3eae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b930eaaa7f71103e63f1d56b36aa970f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06db0d2968d2128cb4d5a8e40981d671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
2020-01-29更新
|
3680次组卷
|
11卷引用:广东省广州市荔湾区2019-2020学年高二上学期期末数学试题
广东省广州市荔湾区2019-2020学年高二上学期期末数学试题广东省广州市八区2019-2020学年高二上学期期末教学质量监测数学试题广东省广州市白云区2019-2020学年高二上学期期末教学质量检测数学试题广东省广州市海珠区2019-2020学年高二上学期期末联考数学试题(已下线)必刷卷08-2020年高考数学必刷试卷(新高考)【学科网名师堂】-《2020年新高考政策解读与配套资源》(已下线)卷08-2020年高考数学冲刺逆袭必备卷(山东、海南专用)【学科网名师堂】(已下线)专题06 平面向量在解析几何中的应用(第五篇)-2020高考数学压轴题命题区间探究与突破山东省菏泽市成武一中2020届高三数学第二次模拟试题(已下线)重难点04 解析几何-2021年高考数学【热点·重点·难点】专练(新高考)(已下线)专题04 平面向量-【备战高考】2021年高三数学高考复习刷题宝典(压轴题专练)(已下线)专题1 解析几何与平面向量
10 . 在平面直角坐标系
中,点
为椭圆
上一动点,直线
交椭圆
于
两点,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/440eec17-5b13-4fc5-a834-937917d19f84.png?resizew=221)
(Ⅰ)已知直线
的斜率为
,用
表示
的值;
(Ⅱ)若
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.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/d75891f55e8eb2c0b7da884cbe49edf5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/440eec17-5b13-4fc5-a834-937917d19f84.png?resizew=221)
(Ⅰ)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8750c7a9d012d136a878dc8f4233dfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ea4ad3b9872d7394d8d78e0e723a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-06-08更新
|
286次组卷
|
2卷引用:新疆维吾尔自治区和田地区第二中学2022-2023学年高二上学期12月月考数学试题