解题方法
1 . 在平面直角坐标系
中,重新定义两点
之间的“距离”为
,我们把到两定点
的“距离”之和为常数
的点的轨迹叫“椭圆”.
(1)求“椭圆”的方程;
(2)根据“椭圆”的方程,研究“椭圆”的范围、对称性,并说明理由;
(3)设
,作出“椭圆”的图形,设此“椭圆”的外接椭圆为
的左顶点为
,过
作直线交
于
两点,
的外心为
,求证:直线
与
的斜率之积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9859b2a9747b7a9da0b87624231e5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de32f743ea0cf45f9822dd603be212d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd95e24f73f48167eb193951bd4fa7fb.png)
(1)求“椭圆”的方程;
(2)根据“椭圆”的方程,研究“椭圆”的范围、对称性,并说明理由;
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715c3978c454777672e14a72298317a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0dd7df0a96857b265fbbf745873ace9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2024-03-22更新
|
948次组卷
|
3卷引用:新疆乌鲁木齐地区2024届高三第二次质量监测数学试题
2 . 已知抛物线
经过点
,直线
与
交于
,
两点(异于坐标原点
).
(1)若
,证明:直线
过定点.
(2)已知
,直线
在直线
的右侧,
,
与
之间的距离
,
交
于
,
两点,试问是否存在
,使得
?若存在,求
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4ce663c3edd81e75b6f3e647600960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a4276f5fae050d1d2d3db6e4a7963d.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/1dde8112e8eb968fd042418dd632759e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc11e7549cfce9220e70250ac943e457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdb9d8425d73a68731f30e0c0e22260.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/f8af126de32482aec7cdb47d245fe78c.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1edfd3c33054e1ac1e70b2e58c510e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-09-09更新
|
1027次组卷
|
10卷引用:新疆名校联盟2024届高三上学期10月联考数学试题
新疆名校联盟2024届高三上学期10月联考数学试题重庆市2024届高三上学期9月联考数学试题江西省部分高中2024届高三上学期9月第一次联考数学试题浙江省百校起点2024届高三上学期9月调研测试数学试题(已下线)高二上学期期中考试解答题压轴题50题专练-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题突破卷23 圆锥曲线大题归类(已下线)重难点突破06 弦长问题及长度和、差、商、积问题(七大题型)-1广东省江门市广雅中学2023-2024学年高二上学期期中数学B卷试题(已下线)第三章 圆锥曲线的方程(压轴题专练)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第一册)浙江省宁波市鄞州中学2023-2024学年高二上学期12月月考数学试题
解题方法
3 . 已知点
,点M(纵坐标为非负数)到点
的距离比它到x轴的距离大1.
(1)求点M的轨迹方程G;
(2)在曲线G上是否存在一点P,使点P到点A的距离与点P到x轴的距离之和取得最小值? 若存在点P,求出点P的坐标以及
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8adae69ea836d0c67b718a71a8e29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421a28dc3675ae20190d6090793246e.png)
(1)求点M的轨迹方程G;
(2)在曲线G上是否存在一点P,使点P到点A的距离与点P到x轴的距离之和取得最小值? 若存在点P,求出点P的坐标以及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508734095955bb96d52f37be4e681700.png)
您最近一年使用:0次
解题方法
4 . 已知双曲线C两条准线之间的距离为1,离心率为2,直线l经过C的右焦点,且与C相交于A、B两点.
(1)求C的标准方程;
(2)若直线l与该双曲线的渐近线垂直,求AB的长度.
(1)求C的标准方程;
(2)若直线l与该双曲线的渐近线垂直,求AB的长度.
您最近一年使用:0次
2023-05-17更新
|
1194次组卷
|
8卷引用:新疆叶城县第六中学2023届高三下学期第四轮摸底强基数学试题
新疆叶城县第六中学2023届高三下学期第四轮摸底强基数学试题(已下线)第09讲 拓展三:圆锥曲线的方程(弦长问题)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)(已下线)专题3.10 圆锥曲线的方程全章八类必考压轴题-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)第04讲 3.2.2双曲线的简单几何性质(2)(已下线)重难点突破06 弦长问题及长度和、差、商、积问题(七大题型)-1(已下线)模块三 专题6 大题分类练(圆锥曲线)基础夯实练 期末终极研习室(高二人教A版)(已下线)题型22 5类圆锥曲线解题技巧(已下线)专题8.3 双曲线综合【九大题型】(举一反三)(新高考专用)-2
名校
解题方法
5 . 如图,椭圆
、双曲线
中心为坐标原点
,焦点在
轴上,且有相同的顶点
,
,
的焦点为
,
,
的焦点为
,
,点
,
,
,
,
恰为线段
的六等分点,我们把
和
合成为曲线
,已知
的长轴长为4.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/497d2ab5-76f7-4b22-a913-4f322710db9d.png?resizew=243)
(1)求曲线
的方程;
(2)若
为
上一动点,
为定点,求
的最小值;
(3)若直线
过点
,与
交于
,
两点,与
交于
,
两点,点
、
位于同一象限,且直线
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.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/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.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/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa379773b0244afedf8d855a42838d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/497d2ab5-76f7-4b22-a913-4f322710db9d.png?resizew=243)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57502a580c6aee9992af061073855e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8dbe91bd8e17a077ddb7d3ba2e12c8.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577621d5b3d1ddd683ce96e96b0d004f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-02-09更新
|
643次组卷
|
4卷引用:新疆乌鲁木齐市第101中学2022-2023学年高二下学期开学考试数学试题
6 . 已知
,
为椭圆E:
的上、下焦点,
为平面内一个动点,其中
.
(1)若
,求
面积的最大值;
(2)记射线
与椭圆E交于
,射线
与椭圆E交于
,若
,探求
,
,
之间的关系.
![](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/adcea43246b86730e37244c3f1425fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee21db6628e4db3f5831370549fa96b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a42b6a56059924c77581a6eff78952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
(2)记射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e02c09428538ce8ae136cff26d3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ed6e40751a933e2e70ea320a5b97ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
您最近一年使用:0次
2023-02-07更新
|
832次组卷
|
5卷引用:新疆乌鲁木齐市第101中学2022-2023学年高二下学期开学考试数学试题
新疆乌鲁木齐市第101中学2022-2023学年高二下学期开学考试数学试题陕西省联盟学校2023届高三下学期第一次大联考理科数学试题陕西省联盟学校2023届高三下学期第一次大联考文科数学试题(已下线)模块十二 解析几何-1(已下线)2023年北京高考数学真题变式题16-21
名校
解题方法
7 . 如图,在斜三棱柱
中,向量
,三个向量之间的夹角均为
,点
、
分别在
、
上,且
,
,
,
,
.
(1)将向量
用向量
、
表示,并求
;
(2)将向量
用
、
、
表示.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a60f5d069760bfe69f9cdc1b6e1e048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75afb466c84b9c3ec8538b25f36858a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fca361c4554871467b2b30419620df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d857811cbd619f868d951aa7a0ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9acdc54f3772d8bad34f186111abd214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432a8c9db3b33f92451c601216558b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2b622913dfd7d0c099db3bdfed61d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd738a9c0d92e69b26a7a8b40ae668e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24f94116e38ad5fac9174f3adae4eb4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/7dc67978-b5c1-41dd-849d-b0c0c7705855.png?resizew=140)
(1)将向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6d728b430549f00bb9c0a7bf8bf7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5813dd9f2bd01a38d749247eccca5449.png)
(2)将向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75578eb4a8555e6cfb6d743a509a612f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
您最近一年使用:0次
2023-01-21更新
|
166次组卷
|
4卷引用:新疆乌鲁木齐市第101中学2022-2023学年高二下学期开学考试数学试题
新疆乌鲁木齐市第101中学2022-2023学年高二下学期开学考试数学试题安徽省肥东凯悦中学2021-2022学年高二上学期第一次自主检测数学试题(已下线)模块三 专题2 空间向量的基本定理 B能力卷(已下线)模块三 专题2 空间向量的基本定理 B能力卷 (人教B)
名校
8 . 已知圆
的直径
,
圆
所在平面,
,点
是圆周上不同于
、
的一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/4/f1545863-8d2f-4ad2-84a5-ebb9446b7057.png?resizew=167)
(1)证明:
;
(2)已知
,点
是棱
上一点,若
与平面
所成角的余弦值为
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.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://img.xkw.com/dksih/QBM/editorImg/2023/2/4/f1545863-8d2f-4ad2-84a5-ebb9446b7057.png?resizew=167)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5148e7fc64ac3fed107192236f8e129d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b60870baa5e3fbc33a749aa5f0a94be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e699f6e1923284a5eecdc897bfbc2337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2023-01-18更新
|
425次组卷
|
3卷引用:新疆乌鲁木齐市第101中学2022-2023学年高二下学期开学考试数学试题
名校
解题方法
9 . 在平面直角坐标系
中,已知点
在抛物线
上,圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696194073d11052786104e11178adf2e.png)
(1)若
,
为圆
上的动点,求线段
长度的最小值;
(2)若点
的纵坐标为4,过
的直线
与圆
相切,分别交抛物线
于
(异于点
),求证:直线
过定点.
![](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/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696194073d11052786104e11178adf2e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7551011cfb75b26f35b07d6617c6a18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(2)若点
![](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/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-12-11更新
|
544次组卷
|
3卷引用:新疆维吾尔自治区乌鲁木齐市第四十中学2023届高三下学期4月月考理科数学试题
解题方法
10 . 在几何体
中,底面
是边长为6的正方形,
,
,
,
均为正三角形,且它们所在的平面都与平面
垂直.
是线段
上的动点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/12e03020-2ad4-4276-97df-0cb1f1bf54cf.png?resizew=155)
(1)若
,求三棱锥
的体积;
(2)若平面
平面
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17d4a6cf11cda87b3dfafaecdec683f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14b86b8bf99386fc939c9c12b1355ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a0c85deb80d8e63bc60127e803f7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ab8de2231d3bfbd289dcdf6d512667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6801e866d3f9f26886e271708a73a6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e6648c9e56d68506017df7424be99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/12e03020-2ad4-4276-97df-0cb1f1bf54cf.png?resizew=155)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c3ea872a20fdc1843cb5ffce8a554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1234a7bbfe925eeea7f17d30bfab88b3.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbfb8a8a4d0731f5b237d5c8e169725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fac8b38a9cf7602391f6d6ca933bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-12-04更新
|
474次组卷
|
4卷引用:新疆生产建设兵团地州学校2023届高三上学期一轮期中调研考试数学(理)试题