解题方法
1 . 已知向量
,
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b2bcf3f08318480aaaaf138bbef11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299cbb2b4cc7a032ad392b049a27ae38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1d4e49944c1ea9fb660e12630e82e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2020-03-02更新
|
328次组卷
|
2卷引用:湖北省武汉市五校联合体2020-2021学年高一下学期期末数学试题
名校
解题方法
2 . 设向量
,
,若
∥
,则x=_____ ,若
,则x=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29252885bb1e9e64369df5276ea67e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d9d048a21dd47f96df24fa2917535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2859333183a1d5749eac25f8b4e3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e9942c6aa68b0b46586399d94c30db.png)
您最近一年使用:0次
2020-02-27更新
|
480次组卷
|
3卷引用:湖北省武汉市第四十九中2020-2021学年高一下学期5月月考数学试题