已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec3aadef0be33e4d5bf7a8b921263a8.png)
_____
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31385af059126273a05290199a8733f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec3aadef0be33e4d5bf7a8b921263a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d6adf3e4d7d4f8664f53d07ca42a49.png)
更新时间:2021-03-23 18:19:17
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【知识点】 已知向量共线(平行)求参数解读
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容易
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名校
解题方法
【推荐1】已知
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填空题-单空题
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容易
(0.94)
解题方法
【推荐2】若向量
与直线
的法向量平行,则实数
的值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046e3fa39d773a18e636cf61bf78e71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1dc20f98286b5155d035b152321f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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