1 . 已知向量
,
.
(1)若
∥
,求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd653f0414e1c9dcfb3ec06aa2881da5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1ac68aa01c4bfbeef78b366075ae3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19e9066e6ebe86de2108970c51a8b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44e791585f0c5a465df424e349d1d7d.png)
您最近一年使用:0次
2023-06-28更新
|
430次组卷
|
3卷引用:江苏省徐州市2022-2023学年高一下学期期末数学试题
2 . 已知
、
为平面向量,且
.
(1)若
,且
,求向量
的坐标;
(2)若
,且
与
垂直,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddac50ca9d89729c6ac4a5d687bd3b0e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f99c4fca2643f901abfa3b17715aba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8b6bdeba4c2d091e8e2cea603a61a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9c10afcf033262946f4f874455bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496590f060e41cbaca42b9eaca3cc6f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697e82d288df5ac7656340301e636646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-08-07更新
|
399次组卷
|
3卷引用:江苏省徐州市2020-2021学年高一下学期期末数学试题
3 . 已知向量
,
,
,若
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bef397316d8a0e571691fec72898c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3fcab9454402a43d1009d397889767e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb24297728f04cbe9b4c82f3dbc6a8e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8242f365eccd4fb61bd0b4e057338e54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
4 . 已知向量
,
.
(1)若
,求
的值;
(2)若
,求
及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e59719c218a51f2deea9f167e57b65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd20a977ce55442d50216caa16f7e1d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049bba0ecf250f0f0f925709e77f7c27.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49fcb6c41c3692b3f88ecc6e3702c472.png)
您最近一年使用:0次
2018-03-04更新
|
1982次组卷
|
3卷引用:江苏省徐州市2017-2018学年高一上学期期末考试数学试题