已知向量
,
,若
与
共线,则实数
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20e40211d11b4c609b344ffa17e422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503802fc4e4ae995e27dc3981e0d2b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.1 |
更新时间:2021-08-23 16:59:36
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【知识点】 已知向量共线(平行)求参数解读
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单选题
|
容易
(0.94)
解题方法
【推荐1】已知
、
是平面上的两个不共线向量,向量
,
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc468a1a2dddc83001372445c77b2560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c25c50f3bf2ac34bf60cde0e41fda6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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