名校
解题方法
1 . 若
,
是两个互相垂直的单位向量,且向量
满足
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214fa67aaded32b9b753775886f1aed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0df3618d0a2a133cf92563b7171374c.png)
A.![]() | B.![]() |
C.![]() | D.以上答案均不对 |
您最近一年使用:0次
2023-06-19更新
|
380次组卷
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3卷引用:安徽省黄山市屯溪第一中学2024届高三6月仿真模拟卷(实验班用)
安徽省黄山市屯溪第一中学2024届高三6月仿真模拟卷(实验班用)人教B版(2019) 必修第二册 北京名校同步练习册 第六章 平面向量初步 本章测试题(已下线)模块三 专题3 小题满分挑战练(1)(人教B)
解题方法
2 . 记
的内角
的对边分别为
,已知
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/364a8ebc-ff55-4a6e-a1a3-3d0a345df10b.png?resizew=123)
(1)求角
的大小和边
的取值范围;
(2)如图,若
是
的外心,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c3a643844725bdebd66011de7263a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/364a8ebc-ff55-4a6e-a1a3-3d0a345df10b.png?resizew=123)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15167b49aad18e17a3b4e58ad6b61c13.png)
您最近一年使用:0次
名校
解题方法
3 . 已知
向量
满足
,则
在
方向上的投影向量的模长的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff2b53880ce3065d88cdcb239f9c7a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dbf346699182264dacff97704f7077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-05-12更新
|
1189次组卷
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4卷引用:安徽省黄山市2023届高三三模数学试题
安徽省黄山市2023届高三三模数学试题(已下线)第01讲 平面向量专题期末高频考点题型秒杀(已下线)高一下学期数学期末押题卷01-期末高分必刷题型黑龙江省牡丹江市第一高级中学2023届高三热身考试(二)数学试题
名校
解题方法
4 . 在
中,
是
的外心 ,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf09562c5847662feba0a66407544fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a99044cdedf9e67bffd16a7eeeadf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2b2758b027c92bb3294d3c5f086599.png)
A.![]() | B.3 | C.6 | D.6![]() |
您最近一年使用:0次
2023-03-26更新
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1109次组卷
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4卷引用:安徽省黄山市屯溪第一中学2022-2023学年高一下学期4月期中质量检测数学试题
解题方法
5 . 在
中,
,O是
的外心,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b5fa434c06a9e8a1cbba413857713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8625cc21170c8b51b1e0067a25f01e.png)
A.1 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 如图,设
中角
,
,
所对的边分别为
,
,
,
为
边上的中线,已知
且
,
.
![](https://img.xkw.com/dksih/QBM/2022/7/28/3032184793858048/3032957836378112/STEM/ab0a2a96a3e048c393b460ee4baf31b9.png?resizew=204)
(1)求
的面积;
(2)设点
,
分别为边
,
上的动点,线段
交
于
,且
的面积为
面积的
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbd15cd722bbd8a8ae0cb4d4460051e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c00673c1a4c2f66f10014ecfede499.png)
![](https://img.xkw.com/dksih/QBM/2022/7/28/3032184793858048/3032957836378112/STEM/ab0a2a96a3e048c393b460ee4baf31b9.png?resizew=204)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac81176ee0f7e8e03012727a9623d398.png)
您最近一年使用:0次
2022-07-29更新
|
590次组卷
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4卷引用:安徽省黄山市2021-2022学年高一下学期期末数学试题
名校
7 . 下列命题正确的是( )
A.设![]() ![]() ![]() ![]() ![]() |
B.点![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.已知平面内的一组基底![]() ![]() ![]() ![]() |
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2022-07-29更新
|
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5卷引用:安徽省黄山市2021-2022学年高一下学期期末数学试题
8 . 已知
,存在非零平面向量
,满足
,
,且
,则
的最小值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c697259f74c85aec46ec7d08b0d68836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4f4cf6bd91906c44d974f2ac765b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68065eaab95543d13e5aa9c1abf8a7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2743c965e63b856f45c9e581fcf719.png)
A.![]() | B.3 | C.2 | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知O为坐标原点,向量
、
分别对应复数
,
,且
,
,若
是实数.
(1)求实数a的值;
(2)求以
、
为邻边的平行四边形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a72ff93c6b79f395aabb9f25e45203d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95985232e68bbf4e37f147d89efbfed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5aa9d5c8a28b2e7ee2a3b9b19b5dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ecedad9fe2a88f341eff754a432243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c4f70ce8c071658d447b09496766a3.png)
(1)求实数a的值;
(2)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52ca3dd0e0135650daa49aa7dc8e168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495efc180c92c8dd57024098f16209f8.png)
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2021-11-09更新
|
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14卷引用:安徽省黄山市屯溪第一中学、中科大附中2020-2021学年高一下学期期中联考数学试题
安徽省黄山市屯溪第一中学、中科大附中2020-2021学年高一下学期期中联考数学试题江苏省苏州中学2019-2020学年高二下学期阶段调研数学试题(已下线)专题12 复数-【备战高考】2021年高三数学高考复习刷题宝典(解答题专练)沪教版(2020) 必修第二册 领航者 第9章 复数 每周一练(1)广东省仲元中学2020-2021学年高一下学期期中数学试题沪教版(2020) 必修第二册 领航者 一课一练 第9章 每周一练(1)江西省景德镇一中2021-2022学年高一(18)班下学期期中考试数学试题(已下线)期中考测试(提升)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)苏教版(2019) 必修第二册 过关斩将 第12章 12.3 复数的几何意义 福建省晋江市季延中学2021-2022学年高一线上线下教学衔接诊断性测试数学试题3.3复数的几何表示(已下线)高一数学下学期期中精选50题(提升版)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)(原卷版)(已下线)第十二章 复数(知识归纳+题型突破)-单元速记·巧练(苏教版2019必修第二册)(已下线)FHsx1225yl191
2016高一·全国·课后作业
名校
10 . 如图,在
中,设
,
,又
,
,向量
,
的夹角为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/e35dbea3-f796-4f40-b500-541803d56258.png?resizew=176)
(1)用
,
表示
;
(2)若点E是
边的中点,直线
交
于F点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc03a3ba496faee748a8d63e5d4fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6d2811fd855daec345a1a7f26eb345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/e35dbea3-f796-4f40-b500-541803d56258.png?resizew=176)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
(2)若点E是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8607f8be973c4f1b65e4400a1b2d9ff.png)
您最近一年使用:0次
2023-03-19更新
|
1062次组卷
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6卷引用:安徽省黄山市屯溪第一中学2022-2023学年高一下学期4月期中质量检测数学试题