名校
1 . 2023年12月19日至20日,中央农村工作会议在北京召开,习近平主席对“三农”工作作出指示.某地区为响应习近平主席的号召,积极发展特色农业,建设蔬菜大棚.如图所示的七面体
是一个放置在地面上的蔬菜大棚钢架,四边形ABCD是矩形,
m,
m,
m,且ED,CF都垂直于平面ABCD,
m,
,平面
平面ABCD.
(2)求平面BFHG与平面AGHE所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09030a47bf268b6ea0c341ca76c2358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb8fe3b14007e4be4c99c85e5b9610a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d824078abdd94782c09ccc39ddb539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f43ee6bef36a3a67b497cb2e67f4df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17980426cd9d489706fdc45b81b9f92.png)
(2)求平面BFHG与平面AGHE所成锐二面角的余弦值.
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4卷引用:江苏省淮安市金湖中学,清江中学,涟水郑梁梅高级中学等2023-2024学年高二下学期4月期中数学试题
解题方法
2 . 已知椭圆
,点
、
分别为椭圆的左、右焦点.
(1)若椭圆上点
满足
,求
的值;
(2)点
为椭圆的右顶点,定点
在
轴上,若点
为椭圆上一动点,当
取得最小值时点
恰与点
重合,求实数
的取值范围;
(3)已知
为常数,过点
且法向量为
的直线
交椭圆于
、
两点,若椭圆
上存在点
满足
(
),求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
(1)若椭圆上点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2dfb22c6f1c155747100e7536cd1abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ef569668e797b1e94257fd5f4384dd.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b312367cf51225ea3bfbee2103b0c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a670d12554358604dc27abf2eaf1732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af4c79c684c65c68dea50c101df7f28c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7d14d32f1624f5e65b44079cc96de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc019674727e52ae48ca67e184ca5e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adebff9fb726cd58eda1ef994890901.png)
您最近一年使用:0次
名校
解题方法
3 . 由二维平面向量可以类比得到三维空间向量一些公式,比如若
,
则
,
等.非零向量
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ab55ce496dc3dfdf3f0c459ccf49cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39c662a3927de39135c3eee4b9cb68f.png)
.若
,
,则与
、
向量垂直的单位向量的坐标是(写出一个即可)___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a307b12e769bfe3794cf384acb5158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4399696c04b39a19df36fbbfeb40857a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df747d55394252a5d77e2bc0d843abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee42162824141eda41d37e3c053e39b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116e2e7116a7b5cd0a912ec0699ca017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ab55ce496dc3dfdf3f0c459ccf49cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39c662a3927de39135c3eee4b9cb68f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39d1d88189726ae99c309644fca3494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbb6bff810cd8f8694592d32936e0dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b53dacec127f88f88afed63959259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee437e6ff470c2f67b8429f57b90ae37.png)
您最近一年使用:0次
2024-03-23更新
|
114次组卷
|
2卷引用:江苏省淮安市金湖中学,清江中学,涟水郑梁梅高级中学等2023-2024学年高二下学期4月期中数学试题
4 . 如图,边长为4的两个正三角形
,
所在平面互相垂直,E,F分别为BC,CD的中点,点G在棱AD上,
,直线AB与平面
相交于点H.
;②直线HE,GF,AC相交于一点;
注:若两个问题均作答,则按第一个计分.
(2)求直线BD与平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a100d3638f0f04db2bd262c051f59b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e011e5a622d961d9174ebce34c6ee033.png)
注:若两个问题均作答,则按第一个计分.
(2)求直线BD与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
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2024-03-21更新
|
2125次组卷
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6卷引用:模块三 专题3 高考新题型专练 专题1 劣构题专练(苏教版)
(已下线)模块三 专题3 高考新题型专练 专题1 劣构题专练(苏教版)江苏省南通市2024届高三第二次调研测试数学试题江苏省扬州市2024届高三第二次调研测试数学试题江苏省泰州市2024届高三第二次调研测试数学试题(已下线)江苏省南通市2024届高三第二次调研测试数学试题变式题 16-19(已下线)江苏省泰州市2024届高三第二次调研测试数学试题变式题16-19
5 . 动圆
与圆
和圆
都内切,记动圆圆心
的轨迹为
.
(1)求
的方程;
(2)已知圆锥曲线具有如下性质:若圆锥曲线的方程为
,则曲线上一点
处的切线方程为:
,试运用该性质解决以下问题:点
为直线
上一点(
不在
轴上),过点
作
的两条切线
,切点分别为
.
(i)证明:直线
过定点;
(ii)点
关于
轴的对称点为
,连接
交
轴于点
,设
的面积分别为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae17f0752a563676c3de835849e782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a8532bf1f0cdb5c1262167fa3c00fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知圆锥曲线具有如下性质:若圆锥曲线的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896f353fb463bb5bbfad2d94e8b04971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1684f875065fa386c8254eac2e0a3875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224d30ca84f1aeeeda7a718e751a4925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(i)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(ii)点
![](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/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e663220a66eff19da6a71e46b397db2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d153ab3afbbc7f88d04eb8e5ba5c411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59c4295f918205f5598ecc9a96d8867.png)
您最近一年使用:0次
2024-03-10更新
|
1629次组卷
|
4卷引用:福建省安溪一中、养正中学、惠安一中、泉州实验中学2023-2024学年高二下学期期中联考数学试卷
6 . (多选)满足下列条件的点P的轨迹一定在双曲线上的有( )
A.A(2,0),B(-2,3),|PA-PB|=5 |
B.A(2,0),B(-2,0),kPAkPB=2 |
C.A(2,0),B(-2,0),kPAkPB=1 |
D.A(2,0),B(-2,3),PA-PB=2 |
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2024-03-05更新
|
64次组卷
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3卷引用:河北省邢台市第一中学2023-2024学年高二下学期期中测试数学试题
名校
解题方法
7 . 已知正方体
棱长为4,点N是底面正方形ABCD内及边界上的动点,点M是棱
上的动点(包括点
),已知
,P为MN中点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8d02ea60833af13e56ca497b559b12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ee7af832af9460f4775fa5c8c3620f.png)
A.无论M,N在何位置,![]() | B.若M是棱![]() ![]() |
C.M,N存在唯一的位置,使![]() ![]() | D.AP与平面![]() ![]() |
您最近一年使用:0次
2024-03-03更新
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881次组卷
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4卷引用:江苏省海安高级中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
8 . 已知离心率为
的双曲线
:
过椭圆
:
的左,右顶点A,B.
(1)求双曲线
的方程;
(2)
是双曲线
上一点,直线AP,BP与椭圆
分别交于D,E,设直线DE与x轴交于
,且
,记
与
的外接圆的面积分别为
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047616f1d1d39bf6c3cd07cf63ef5b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cddda9100666fa42033cc4f2688fb9.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/16862304173044aef35e32375095ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8245026524d605717d6a5fbe30abd95a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7f9f7952c4be18cb73393047c2ad75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142b9d242ef0c6b807d1257f2638b37b.png)
您最近一年使用:0次
2024-03-01更新
|
1364次组卷
|
4卷引用:江苏省射阳中学2023-2024学年高二下学期阶段测试2(5月)数学试题
名校
解题方法
9 . 已知双曲线
过点
且与双曲线
有共同的渐近线,
,
分别是
的左、右焦点.
(1)求
的标准方程;
(2)设点
是
上第一象限内的点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db784004e82c64c5f290e52b6c27056a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3eadb24687aacbe863534bfa599b4c.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/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34005d3b709a89e3db6bb786bbfb2369.png)
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2024-02-14更新
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4卷引用:1号卷·A10联盟2022-2023学年(2021级)高二上学期11月期中联考数学试卷(北师大版)
1号卷·A10联盟2022-2023学年(2021级)高二上学期11月期中联考数学试卷(北师大版)上海市向明中学2023-2024学年高二下学期期中考试数学试题(已下线)2.3.2 双曲线的性质(二十二大题型)(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)江西省部分学校2023-2024学年高二下学期3月月考数学试题(九省联考新题型)
名校
10 . 下列命题中,正确的有( )
A.![]() |
B.“![]() ![]() |
C.若![]() ![]() |
D.函数![]() ![]() ![]() ![]() |
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2卷引用:云南省下关第一中学2023-2024学年高一下学期5月期中考试数学试题