已知向量
,
,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6569e50f43b3d8645652ecc13b62066e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9bc7ea301494819e00520165840c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
更新时间:2021-01-05 20:14:56
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【知识点】 由向量共线(平行)求参数解读
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【推荐2】已知向量
,
,若
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________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99e8d9cc6cd5aea21d1612180279a54.png)
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