名校
解题方法
1 . 已知椭圆
,直线
.
(1)求证:对
,直线
与椭圆
总有两个不同交点;
(2)直线
与椭圆
交于
两点,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69daca955a565fa537347dd0d93783f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98592e0f2fbd50a18abf290254910a1.png)
(1)求证:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b5544e6bbd816c45db57f740c5e8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](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/483fb4cafaf60282217a6f2650e94b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3卷引用:重庆市黔江中学校2023-2024学年高二上学期11月考试数学试题
重庆市黔江中学校2023-2024学年高二上学期11月考试数学试题江苏省南京市励志高级中学2023-2024学年高二上学期期末模拟数学试题(已下线)2.2.2 椭圆的性质(十八大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
名校
解题方法
2 . 已知正方体
的棱长为
分别是棱
的中点,点
为底面
内(包括边界)的一动点,若直线
与平面
无公共点,则点
的轨迹长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a132288b3f023748b54cf3a5a8b940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3845afb94907338cd4243f59f1349ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c798204bbe306b3efd5bc9eae594c171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题
重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题上海市杨浦高级中学2023-2024学年高二下学期3月月考数学试卷广东省广州市育才中学2023-2024学年高一下学期期中数学试题(已下线)6.4.2平面与平面平行-【帮课堂】(北师大版2019必修第二册)
名校
解题方法
3 . 已知
,
是双曲线C:
(
,
)的左,右焦点,过点
倾斜角为150°的直线与双曲线的左,右两支分别交于点A,B,若
,则双曲线C的离心率为( )
![](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/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7430a40cb9ee87f78c000ff2d8b5fd.png)
A.![]() | B.2 | C.![]() | D.![]() |
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名校
解题方法
4 . 已知点P到
的距离与它到x轴的距离的差为4,P的轨迹为曲线C.
(1)求C的方程;
(2)若直线
与C交于A,B两点,且弦
中点的横坐标为
,求
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6f24360254bdf9d1b47563cf1acf85.png)
(1)求C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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4卷引用:重庆市部分学校(九校联盟)2023-2024学年高二上学期12月月考数学试题
5 . 已知椭圆
的右焦点为
,过点
作倾斜角为
的直线交椭圆
于
,
两点,弦
的垂直平分线交
轴于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0fa1b03165a629f287a6b00e9756fe.png)
______ .
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2396baf481758d585005c42d78a1c3a4.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0fa1b03165a629f287a6b00e9756fe.png)
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解题方法
6 . 已知椭圆
的短轴长与焦距均为2,A,B是椭圆上的动点,O为坐标原点.
(1)求椭圆的标准方程;
(2)若直线
与
斜率的乘积为
,动点P满足
,
其中实数
为常数
,若存在两个定点
,
,使得
,求
,
的坐标及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
(1)求椭圆的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6287b3f017e0aae25cdb0e80bcb6f020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.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/9784a3376b0fd2e9aa6ef3661005ef8c.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/df64046e91b047037f19e4032e3b6de3.png)
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|
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2卷引用:重庆市部分学校2023-2024学年高二上学期1月阶段测试数学试题
解题方法
7 . 已知F,A分别是双曲线
的左焦点和右顶点,过点F作垂直于x轴的直线l,交双曲线于M,N两点,若
,则双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
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2卷引用:重庆市部分学校2023-2024学年高二上学期1月阶段测试数学试题
解题方法
8 . 已知椭圆
的左,右焦点分别为
,
,
为椭圆
内一点,对称中心在坐标原点,焦点在
轴上的等轴双曲线E经过点
,点
在
上,若椭圆
上存在一点
,使得
,则
的离心率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/d6c9e49809ed819892738b698c73e7ea.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/fd0471cd3dccabaef113cd5761544d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8544f8483269db90305fa747eeac8b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/3de94d7453b7fab51ad5fcfed9fab07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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2卷引用:重庆市部分学校2023-2024学年高二上学期1月阶段测试数学试题
名校
解题方法
9 . 抛物线有如下光学性质:由其焦点射出的光线经抛物线反射后,沿平行于抛物线对称轴的方向射出.反之,平行于抛物线对称轴的入射光线经抛物线反射后必过抛物线的焦点.已知抛物线
,
为坐标原点,一束平行于
轴的光线
从点
射入,经过
上的点
反射后,再经
上另一点
反射后,沿直线
射出,且
经过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388c361a4f70897c7b02c3885e48f178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.当![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() ![]() |
C.![]() |
D.设该抛物线的准线与![]() ![]() ![]() |
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2卷引用:重庆市三峡名校联盟2023-2024学年高二上学期联考数学试卷
10 . 如图,过抛物线
的焦点F的直线与C相交于A,B两点,当直线AB与y轴垂直时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3bf92742ce8a3bc0a929fe106b67d2.png)
(2)以AB为直径的圆能否经过坐标原点
若能,求出直线AB的方程;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3bf92742ce8a3bc0a929fe106b67d2.png)
(2)以AB为直径的圆能否经过坐标原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c564092b35c5e705e50f934891233057.png)
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