已知向量
,
,若
与
平行,则实数k=__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90be61159ef75e9ae251a1f28ffd9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207a84aa5ab7cc2aecc9a80ebc1eec35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
更新时间:2022-04-13 21:40:45
|
【知识点】 由向量共线(平行)求参数解读
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