已知向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9623e9ce68e3cca9fcb4b65c8062f712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9fe8f32f9e3152a64429f45d783eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
A.![]() | B.![]() | C.-12 | D.12 |
更新时间:2023-07-16 03:39:31
|
【知识点】 由向量共线(平行)求参数解读
相似题推荐
单选题
|
容易
(0.94)
解题方法
【推荐1】已知向量
,
,若
与
共线(其中
),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62e4fda0429cab9db72b32109c0d9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcfee814c6ed92805bc135a04ff71b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7edbd8e938c8696a9bf3bcc245cfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e07c25df57a36d4f1b11d7d9fe16b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985dd1a871cd5a28ba0cfed51f0462d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dfc410fe952af7663c19ae146a5de5.png)
A.2 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
【推荐2】设向量
,
,若向量
与
同向,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d50c1094d751226353a552045dccf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba6e12ae17bacec4d22f65facb8e491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.2 | B.-2 | C.±2 | D.0 |
您最近一年使用:0次