若
,
与
方向相反,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94bfe7d8795180fbb0a19ed991b3d646.png)
__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f089a9e08ceb59cb58d7a5be2f62e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73ff0aae5425f4dd007350c05ba60cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94bfe7d8795180fbb0a19ed991b3d646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
更新时间:2018-06-01 18:58:25
|
【知识点】 由向量共线(平行)求参数解读
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