名校
1 . 已知抛物线
和
所围成的封闭曲线
如图所示,点
在曲线
上,给定点
,则下列说法中不正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/940b4bdb-fad3-486f-bc90-fbe59e6f8f3c.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7d334f7186c612a2bac12ae5e0365e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6991563453cd366d99513c393d1ccd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/940b4bdb-fad3-486f-bc90-fbe59e6f8f3c.png?resizew=162)
A.任意![]() ![]() ![]() |
B.任意![]() ![]() ![]() |
C.存在![]() ![]() ![]() |
D.任意![]() ![]() ![]() ![]() |
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2 . 如图所示,边长为2的正
的顶点都在坐标轴上,其重心
在
轴上,若满足到
三点的距离之和为5的点的轨迹记为
,则下列命题中正 确的是________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/9d106031-8270-4439-9da2-8b517bde94d7.png?resizew=177)
①曲线
的内部共有7个横、纵坐标都为整数的点;
②曲线
的内部的面积小于3;
③曲线
上的点到
的距离不超过2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/9d106031-8270-4439-9da2-8b517bde94d7.png?resizew=177)
①曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
②曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
③曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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解题方法
3 . 如图,已知抛物线
,
为其准线.
为
上一动点,过点
作
于
,直线
交抛物线于点
.若直线
过定点
.
(1)求
的值;
(2)过抛物线
上一动点
作抛物线
的两条切线,切点为
、
.记
的外心为
.证明:以
为直径的圆过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a9efe4c27ce894634c9e4c737b5fd7.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/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb50782b4a4f59f8798a90086b0d5c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74973a2eb4281a6943a506b779740ca7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/2/c8b920e2-0711-4e77-866a-534d8d8da985.png?resizew=126)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)过抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b57041b43206fc0d477f8c769078f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d48de5a380ae57e1094720433ab1d54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d303eb7923a91dcecc2d9bc1133d5c5d.png)
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解题方法
4 . 材料:对抛物线
,定义:点
叫做该抛物线的焦点,直线
叫做该抛物线的准线,且该抛物线上任意一点到焦点的距离与它到准线的距离相等.运用上述材料解决如下问题:
如图,已知抛物线
的图象与
轴交于
两点,且过点
,
的解析式和点A的坐标;
(2)若将抛物线
的图象向左平移2个单位,再向上平移1个单位得抛物线
的图象.
①设
为抛物线
位于第一象限内图象上的任意一点,
轴于点
,求
的最小值;
②若过抛物线
的焦点
作直线
,与抛物线
交于
两点,再过
两点分别作抛物线的切线,两条切线交于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa0e961df94bc4cc1c8407ed65f2557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a415f2567685ccf84257ac443f779a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423f5e7781b94f96ff4aac23cba2964d.png)
如图,已知抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f61d802cc79e61fc37a79d4bae4e98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9cda46e575acf64941ea0964b89ee99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980240503eeea96e431bb5540ba60879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
①设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52cbeb9b1c1d637b903cf3e5c7f730f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f25f0610430d94cc16ca340e3ac5757.png)
②若过抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/44091f07aab1b00f3c5abb14d98fed25.png)
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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:上海市七宝中学2021届高三下学期6月高考模拟数学试题
解题方法
6 . 已知椭圆
交x轴于
与G交于y轴.
(1)求G的标准方程
(2)若
与G有两个不同的交点,求
的取值范围
(3)设直线
交G于
(l的倾斜角正弦值的绝对值小于等于
),以
为邻边作平行四边形
在椭圆G上,O为坐标原点.证明:
的最小值与
的某三角函数值相等
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0018c6e339298709dd18f45da445a57a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c98bbf694a25006a5ea6c1f3db00273.png)
(1)求G的标准方程
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dda2bc76c83b190d03bda50ca7ab87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f65dbed884e2248ec075655c684aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5bd5d429fafce70f07c19386c595133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae743852e53bb3a32144cfa423d2bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
您最近一年使用:0次
7 . 如图,在三棱锥
中,点
为棱
上一点,且
,点
为线段
的中点.
为一组基底表示向量
;
(2)若
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8cabcef1cee1213140371c499339864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68b9e7731c578f78a8062b229bce72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288480e3173dc701db480491598271c7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f0c1c9cca0555906d8a53e1a6803d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602ee324ca5bc3cf9ef251a061b431ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3558632e5cb4aef2d0f8c7aced6a92b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20952503934d4b29fa19573df1a21738.png)
您最近一年使用:0次
2022-07-22更新
|
2944次组卷
|
20卷引用:浙江市温州市第八高级中学2021-2022学年高二上学期第一次月考数学试题
浙江市温州市第八高级中学2021-2022学年高二上学期第一次月考数学试题(已下线)专题1.4 空间向量的数量积运算-重难点题型检测河南省周口市商水县实验高级中学2022-2023学年高二上学期第一次月考数学试题山东省枣庄市枣庄市第十六中学2022-2023学年高二上学期9月月考数学试题湖北省潜江市园林高级中学2022-2023学年高二上学期10月月考数学试题(已下线)第一章 空间向量与立体几何(A卷·知识通关练)(1)安徽省芜湖市第一中学2022-2023学年高二上学期第一次阶段性诊断测试数学试题浙江省温州市苍南县金乡卫城中学2022-2023学年高二上学期10月第一次月考数学试题广东省佛山市南海区大沥高级中学2022-2023学年高二上学期第一次大测数学试题湖北省潜江市园林高级中学2022-2023学年高二上学期期中数学试题广东省肇庆市端州中学2022-2023学年高二上学期期中数学试题(已下线)6.2.1空间向量基本定理(2)1.2 空间向量基本定理练习湖北省荆州市公安县第三中学2023-2024学年高二上学期入学考试数学试题广东省佛山市三水区三水中学2022-2023学年高二上学期第一次统考(10月)数学试题(已下线)1.2 空间向量基本定理(分层练习)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第一册)四川省遂宁市射洪绿然学校2023-2024学年高二上学期第一学月考试数学试题河南省地区联考2023-2024学年高二上学期豫选命题阶段性检测(一)数学试题上海市行知中学2023-2024学年高二上学期10月月考数学试题(已下线)专题03空间向量及其应用--高二期末考点大串讲(沪教版2020选修)
名校
解题方法
8 . 已知椭圆
的长轴长是短轴长的2倍,焦距是
.
(1)求椭圆C的方程;
(2)若直线l:
与椭圆C交于两个不同点D,E,以线段
为直径的圆经过原点,求实数
的值;
(3)设A,B为椭圆C的左、右顶点,
为椭圆C上除A,B外任意一点,线段
的垂直平分线分别交直线
和直线
于点P和点Q,分别过点P和Q作
轴的垂线,垂足分别为M和N,求证:线段MN的长为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆C的方程;
(2)若直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e4b79aaab10cccde470d408ec9f0f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设A,B为椭圆C的左、右顶点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2022-04-14更新
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447次组卷
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5卷引用:北京市大兴区2020-2021学年度高二上学期期末检测试卷数学试题
解题方法
9 . 如图所示,已知正方体
的棱长为1,点E、F、G分别是
、AD、BC中点,连结
、AC分别交EF、FG于S、K两点,则下面选项叙述正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/cd4d9bfb-21b0-4a9f-9061-1c96a993c75c.png?resizew=185)
![](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/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/cd4d9bfb-21b0-4a9f-9061-1c96a993c75c.png?resizew=185)
A.四棱锥![]() ![]() |
B.![]() |
C.平面DSK被四棱锥![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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名校
10 . 如图,正三棱柱
的各棱长均为1,点
和点
分别为棱
和棱
的中点,先将底面
置于平面
内,再将三棱柱绕
旋转一周,则以下结论正确的是___________ (填入正确结论对应的序号).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/f893b27d-aa33-425a-815b-b218f8355b34.png?resizew=290)
①设向量
旋转后的向量为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cec795e5ea4ff84b6ec4bf9d34af080.png)
②点
的轨迹是以
为半径的圆
③设①中的
在平面
上的投影向量为
,则
的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418b1af7e4c8354fa31c11c90ba0bdee.png)
④直线
在平面
内的投影与直线
所成角的余弦值的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/f893b27d-aa33-425a-815b-b218f8355b34.png?resizew=290)
①设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b52fad476f828f36de6eb8910497329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cec795e5ea4ff84b6ec4bf9d34af080.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6911084698d5e3fed9f965be70456b60.png)
③设①中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9667f6c0eac65be9c5e10f966af41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418b1af7e4c8354fa31c11c90ba0bdee.png)
④直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7aec9f50619eb57d9a94fe60051cff.png)
您最近一年使用:0次
2022-02-09更新
|
875次组卷
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5卷引用:安徽省卓越县中联盟2021-2022学年高二上学期期中联考数学试题
安徽省卓越县中联盟2021-2022学年高二上学期期中联考数学试题(已下线)1.3.2 空间向量运算的坐标表示(重难点突破)-【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)(已下线)高二上学期第一次月考填空题压轴题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)湖南省益阳市南县第一中学2023-2024学年高二上学期期末模拟数学试题(已下线)1.3 空间向量及其运算的坐标表示【第三课】