若
,
是两个不共线的向量,若
,
,
,且
、
、
三点共线,则实数
的值等于__________ .
![](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/cf309afaa4ac64021e1e860ec21bf6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2cc6dc93e468ca840c8a0387a0c3ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083e2e1dfe5040b467e8d4f0e9976fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2018-04-23 15:03:39
|
【知识点】 已知向量共线(平行)求参数解读
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】在平行四边形
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5908ca654a01a2168f62861fdd588c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知向量
,
,若
与
的夹角大小为
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99319b193c8070798c4b3604ba55b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82809dae0bc3d109cec216b5d3c917d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次