已知向量
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a13b56e1a6477edbd2d78670c840f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12976a4d92584494d1c2c714684d45b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() ![]() | B.![]() ![]() | C.![]() | D.![]() |
更新时间:2017-04-07 11:25:20
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【知识点】 利用向量垂直求参数
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单选题
|
容易
(0.94)
解题方法
【推荐1】已知向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6750b7b984b68027b8b2e3d10527bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ecfce2b64d4c737d55aa7b142bb1ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57df2019aea2af6ae71b0d8e6db576c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
【推荐2】已知平面向量
,
,且
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20e40211d11b4c609b344ffa17e422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c93b15290cb2ed176c49918216fb177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次