1 . 已知椭圆
的焦点为
,
,点
在
上,点
在
轴上,
,
,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2511079c551c74e135cbdb08b9004d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6a8ef5b72c09fc56d3729a42bf13a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024·全国·模拟预测
2 . 已知向量
,
,
,若
,
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d448794d6a1f2942195244ff38f4dcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab592c767a22ea1cc7ef5d87c1f3e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efb9349bed0149f2ff18c2739fa0741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b23cc1e2140104001dd399ace17e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ade370d054284ca42a396aa1bfdabb0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024·全国·模拟预测
3 . 已知向量
,
,
,若
,
,则向量
在
方向上的投影为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d448794d6a1f2942195244ff38f4dcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab592c767a22ea1cc7ef5d87c1f3e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efb9349bed0149f2ff18c2739fa0741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd5b976df5a24e2f106dc0e46bf8652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ade370d054284ca42a396aa1bfdabb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
名校
解题方法
4 . 已知向量
,
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58bd1a105b5b339da0200ff7f0be767b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b8583acf0b89997429dbbaa837c3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52380d7e39e132e38d401d3981dc091f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03481e6a73207be03fdbc1f8e9965b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d700e4e9f5077f02841f737b22fcd623.png)
A.![]() | B.24 | C.![]() | D.12 |
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名校
解题方法
5 . 在
中,角
所对应的边分别为
,向量
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65783fb64de33f2639d42c15f3a7d45.png)
,点
为边
的中点,且
,则
( )
![](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/b55806f140a5e24e175123c698de52a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65783fb64de33f2639d42c15f3a7d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e36834baf9472a2297856b297e547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4581a3c0960f44f2fdafc789f3fea6db.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-04更新
|
746次组卷
|
4卷引用:高一 模块3 专题1 第4套 小题入门夯实练【人教B版】
(已下线)高一 模块3 专题1 第4套 小题入门夯实练【人教B版】第27题 解三角形基于边角转化,几何向量解析锦上添花(优质好题一题多解)(已下线)高一 模块3 专题1 第4套 小题入门夯实练【北师大版】安徽省智学大联考·皖中名校联盟2023-2024学年高一下学期期中检测数学试卷
名校
6 . 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.![]() |
您最近一年使用:0次
2024·全国·模拟预测
7 . 已知
,
,且
,则点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31cbe64d24ddf8405da2f39f24237d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e17c1fe942127ef5cb7c0ce6f6c693b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0b9d3af6da0f4a5adb86cb7d9659ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知平面向量
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324c671a35160441f7669e02e876dae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6a613f8b0e32fb71902f50f30ca4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.1 |
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2024-04-22更新
|
374次组卷
|
5卷引用:模块四 专题4 重组综合练(安徽)
名校
9 . 记
的内角
的对边分别为
,设向量
若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,则
( )
![](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/6781e7598531663bf84eb55d7bb6f5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
594次组卷
|
3卷引用:山西省吕梁市2024届高三下学期4月高考模拟考试数学试题
山西省吕梁市2024届高三下学期4月高考模拟考试数学试题(已下线)第四章 三角恒等变换章末重点题型复习(2)-同步精品课堂(北师大版2019必修第二册)广东省东莞市三校(东莞一中、东莞实验、东莞外国语)2023-2024学年高一下学期期中联考数学试卷
名校
10 . 定义向量一种运算“
”如下:对任意的
,
,令
,下面错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b1fc6efbb1fe3d949bf100925cdf34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfac5503c587f1d7a07bbd9db1c403f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a12dcdc0fb15a547580ec3e011590900.png)
A.若![]() ![]() ![]() |
B.![]() |
C.对任意的![]() ![]() |
D.![]() |
您最近一年使用:0次