解题方法
1 . 已知向量
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d42de47fdee791fa28774d048aaca70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6eed77dd3f3af8ce04b84ebade0c61.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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2021-09-10更新
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4卷引用:湖北省随州市广水市实验高级中学等2022届高三上学期联考数学试题
解题方法
2 . 已知向量
,
,若
,则
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ba72d2eec19a80cb62e408f8dfda63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87eff1a7467e85b3f5c3ea97f34f8e65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9434d2802ef1eedb67052219105de45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1c5a9b887ea0b03651a0be466e0096.png)
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2020-06-09更新
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2卷引用:湖北省武汉市部分重点中学(十四中,二十三中,十二中,汉铁高中,四中,四十九中,开发区一中)2020-2021学年高一下学期期中数学试题
解题方法
3 . 已知向量
,
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b2bcf3f08318480aaaaf138bbef11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299cbb2b4cc7a032ad392b049a27ae38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1d4e49944c1ea9fb660e12630e82e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2020-03-02更新
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328次组卷
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2卷引用:湖北省武汉市五校联合体2020-2021学年高一下学期期末数学试题
名校
4 . 已知向量
,
,
.
(1)若
,求
,
的值;
(2)若向量
满足
,
,求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b6e99d71eaa7784dab1e3808a2ad4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7256baf96702bc084c3447a52315ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc97cec4dce7da46e5f3f7ce1550812.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f280f438c5f81d59d249276a1ecf5524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b76118bdca6c463cfb19b66f30281c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4dcd314cfa6147ea26ec8a679f134f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b2c6fc166da6617f20e80654e2f746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b76118bdca6c463cfb19b66f30281c4.png)
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2021-08-13更新
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208次组卷
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9卷引用:湖北省黄冈市麻城市第二中学2020-2021学年高一下学期4月月考数学试题
湖北省黄冈市麻城市第二中学2020-2021学年高一下学期4月月考数学试题辽宁省营口市2020-2021学年高一上学期期末数学试题第9章 平面向量 (A卷基础卷)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材苏教版)吉林省长春市第二十九中学2020-2021学年高一下学期第一学程考试数学试题江苏省无锡市江阴高级中学2020-2021学年高一下学期3月学情检测数学试题河南省济源市第六中学2023-2024学年高一上学期9月月考数学试题河南省济源市第六中学2022-2023学年高一下学期5月考数学试题河南省济源市济源高级中学2022-2023学年高一下学期3月月考数学试题(已下线)6.3.5平面向量数量积的坐标表示(分层作业)-【上好课】
解题方法
5 . 已知向量
,向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839a2693aa618d2b7a3ec090a10d7463.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9383f034fc1bd7855fb7c72b484c3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e066ec4d1180b3fc7e556fd8b7f64e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839a2693aa618d2b7a3ec090a10d7463.png)
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解题方法
6 . 已知平面向量
,
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ffcd1e74f66090ff54a4a20b222a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5bb373f2c6b3e7b16c20dba391bed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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2021-01-09更新
|
149次组卷
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6卷引用:湖北省年宜昌市部分示范高中教学协作体2021-2022学年高三上学期期中联考数学试题
7 . 已知
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53ae85b88b60371b2e5e09143b87a79.png)
,
(1)若点A,
,
三点共线,求
的值;
(2)判断并证明以A,
,
为顶点的三角形是否为直角三角形,若是,请指出哪个角是直角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10d362b95ce7ac5b18fb4d1037fce59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89470068f2cfa4229e471c50065c63ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797f0a8d8fe7c4adad6446c08d415db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53ae85b88b60371b2e5e09143b87a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0db2d9c048d6974b28b54c124e8bac7.png)
(1)若点A,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)判断并证明以A,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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11-12高三上·浙江·期中
名校
8 . 已知向量
与
共线,其中
是
的内角.
(1)求角
的大小;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407ffb70a36eef44b3a85f38a652f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b0ff451166b9f4eccbc7ccf42dc8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb5e61cba488c465f36b4744ceb75cb.png)
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