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1 . 已知向量
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69a01e3ad53c876213ab567ab56d7ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07bd57dd68879c0d78a2c42b9e724584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5493e8acc0092f0f5c496be21eaf7f0b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 .
与
是两个单位向量,
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ 时,
取得最小值.
![](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/4ca6b59bdd54ca0cc3632409dfb39dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d882913c702822a27f07c06ea005a1f.png)
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23-24高一下·全国·课前预习
3 . 一个向量的坐标等于表示此向量的有向线段的_____ 坐标减去_____ 坐标.
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4 . 已知
,如图,在
中,点
满足
在线段BC上且
,点
是AD与MN的交点,
.
来表示
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
(2)求
的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fba4eb4fbdf7654f52b31d4138742e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc57614c316ede4c0a0ab3d533e21bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d750e26e69fa8c6ddd99d6073417ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be656083580a03c6481fb75881b84f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32043a653eba02c79ae6395b3bcb34f.png)
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2024-04-30更新
|
988次组卷
|
5卷引用:专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)
(已下线)专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)(已下线)高一下学期期末考试01(范围:三角函数+必修第二册)-重难点突破及混淆易错规避(人教A版2019必修第二册)浙江省杭州市联谊学校2023-2024学年高一下学期5月月考数学试题江西省景德镇市乐平市第三中学2023-2024学年高一下学期4月期中考试数学试题(已下线)专题01 平面向量(2)-期末考点大串讲(苏教版(2019))
23-24高一下·全国·随堂练习
解题方法
5 . 若向量
分别表示两个力
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca11b5dbcaf17f106ef37d86f0c2da6.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e14a1db06ebef8a1ee49d3d5d03419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589dc0a5d5638e9b5e84821f21da54ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca11b5dbcaf17f106ef37d86f0c2da6.png)
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解题方法
6 . 如图所示,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65de7c2f24ccd9a5a9b6c5920e981309.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-30更新
|
217次组卷
|
3卷引用:模块五 专题2 全真基础模拟2(苏教版期中研习高一)
(已下线)模块五 专题2 全真基础模拟2(苏教版期中研习高一)广东省东莞市七校2023-2024学年高一下学期期中联考数学试卷福建省晋江二中、奕聪中学、广海中学、泉港五中、马甲中学2023-2024学年高一下学期期中考试数学试题
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解题方法
7 . 如图所示,
是直角三角形,
,
,点
是斜边
的中点,点
是线段
靠近点
的三等分点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167f3d2678c01059895c5fefeb38b4c.png)
A.0 | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 如图所示,在平面直角坐标系
中,
是函数
图象的最高点,
是
图象的最低点,设
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f70dfba0820e05d7b9f5b9b14e95406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f70dfba0820e05d7b9f5b9b14e95406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92a47c060b0cc60289176c4b051f6dc.png)
A.![]() |
B.![]() ![]() |
C.与![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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2024-04-30更新
|
129次组卷
|
3卷引用:高一下学期期末考试01(范围:三角函数+必修第二册)-重难点突破及混淆易错规避(人教A版2019必修第二册)
(已下线)高一下学期期末考试01(范围:三角函数+必修第二册)-重难点突破及混淆易错规避(人教A版2019必修第二册)福建省莆田第二十五中学2023-2024学年高一下学期期中考试数学试题吉林省白山市抚松县第一中学2023-2024学年高一下学期5月期中考试数学试题
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解题方法
9 . 在下列各组向量中,可以作为基底的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 我们把由平面内夹角成
的两条数轴
,
构成的坐标系,称为“广义坐标系”.如图所示,
,
分别为
,
正方向上的单位向量.若向量
,则称有序实数对
为向量
的“广义坐标”,可记作
.
,求
,
的“广义坐标”;
(2)已知
,
,求
;
(3)已知
,
,求证:
的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5253a9a71037d60059b60237824193b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce97db4dff9df73f5536426da4e2ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b55c8fcba2ff089e23ca9689a44a31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5798487cf4cf89c04051bfc9c2901b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67a5673958e175b00200a75e645c73c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211ccfb7b9d195de4d60fad12a1e28f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc19cacfa1c1e0fa161104e79fbb3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211ccfb7b9d195de4d60fad12a1e28f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc19cacfa1c1e0fa161104e79fbb3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eea876996fab48cf16290c1c66a5563.png)
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