已知向量
,
.若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9661a7eb67df9d5e2a9b1686ad66bc48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25567fbc2268f3ce57b2c819a6eff9fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d553efed052e7e0777728ef622a5c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc51e97939a8966daa015535a801561.png)
2020·海南·一模 查看更多[2]
更新时间:2020-03-19 11:38:14
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【知识点】 由向量共线(平行)求参数解读
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填空题-单空题
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容易
(0.94)
解题方法
【推荐1】已知平面向量
,
,若
,则实数
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ba32fbd10d6c8b31129e452825364a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
【推荐2】平面向量
,
,若向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677a183d6d11ba63d39d3b3aeca95517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74938678519f0a05a79d1583a6aee1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
您最近一年使用:0次