名校
解题方法
1 . 已知向量
,
,则
在
上的投影向量的模为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f726edf8cca26e1011faa7101c506e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19baae22bd07eed23e25db63ad8d29a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.1 | C.0 | D.![]() |
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2024-06-10更新
|
1251次组卷
|
2卷引用:浙江省杭州市西湖高级中学2024届高三下学期数学模拟预测数学试题
2 . 已知向量
,向量
在
方向上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd220d3ed1c06937c340ce8b64b4261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.2![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知
,
为单位向量,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
___________ ,向量
在向量
上的投影向量为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92734ab8cc6c161200fb01053e6ef0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835e02e88155c4f117c86c80783c082d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
您最近一年使用:0次
名校
4 . 已知向量
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319286656d941d2c32ee8c3a00b888f2.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.![]() |
您最近一年使用:0次
2023-05-22更新
|
882次组卷
|
2卷引用:浙江省精诚联盟2023届高三下学期适应性联考数学试题
名校
5 . 在平面直角坐标系中,已知点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a4b59beda08c7fc7132a7b8e9bf35f.png)
A.![]() |
B.![]() |
C.![]() ![]() ![]() |
D.与![]() ![]() ![]() |
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2023-03-16更新
|
1676次组卷
|
5卷引用:浙江省金丽衢十二校、“七彩阳光”2023届高三下学期3月联考数学试题
浙江省金丽衢十二校、“七彩阳光”2023届高三下学期3月联考数学试题河北省唐县第一中学2022-2023学年高一下学期3月月考数学试题(已下线)高一数学下学期期中模拟试题03(平面向量、解三角形、复数、立体几何)山东省淄博市临淄中学2022-2023学年高一下学期期中考试数学试题四川省成都东部新区养马高级中学2022-2023学年高一下学期5月月考数学试题
解题方法
6 . 已知向量
满足
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3f8682540cd84c62e6fa835cd02f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b8947476feba834a361ae8ae518136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c6aec4798bd980b6bced7b4bfff4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d476cd371e6322104215fb184e2d2c8e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知
为单位向量,
满足
,当
与
的夹角最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d11affa946b233f66b46756afd0c062.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e9cb71b226dec4d509c3c3e0a2cd11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d11affa946b233f66b46756afd0c062.png)
您最近一年使用:0次
解题方法
8 . 已知向量
,
,
,其中
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90aa2debe35dc50eaa5a750cfb32e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134376e546f593a58f8cf0dccf85d5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb0924ec472ec425cf2598d2c02e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
A.![]() ![]() ![]() | B.![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 若向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e116c735d5945248043307eac8d45ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dfa17632f933e0468b8a7864259517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaa4737bfb1bf1cf73324c2d3f3e0d0.png)
A.![]() | B.4 | C.![]() | D.![]() |
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2023-01-22更新
|
1184次组卷
|
5卷引用:浙江省金华十校2022-2023学年高三下学期4月模拟考试预演数学试题
解题方法
10 . 已知向量
,
满足
,且
的最小值为1(
为实数),记
,
,则
最大值为______ .
![](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/3aa3610a990287d3ac756abae406540d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87b55eab3bacd19aa0319ed3e972a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773a9978316160be2a5f787ee26242cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefa570084518a0f78c79a55828e2bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857ae3c1f7063a4a7c88aabf983000ab.png)
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