名校
1 . 已知向量
,
.
(1)求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a25d09a7e1ee223732e9ed44b6c904f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972214917c470599f214a08f454435f2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c250094127e2b3c878d68213b60407.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6961e10dd2dc4875518da7fa551a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2021-08-02更新
|
511次组卷
|
2卷引用:青海省海南藏族自治州高级中学2022-2023学年高一下学期期中考试数学试题
名校
2 . 已知向量
;
(1)若3
与
共线,求m;
(2)若
,求|
|.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da4160c3a89ff4937d6a5addc42955c.png)
(1)若3
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83c5803cc8c05849028a57c4bd4ee72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d7026ae519718c212993924cef81f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc523bdaf222089feb5befd43753ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f704f2e9ab0c4b48d056bd9460e3832.png)
您最近一年使用:0次
2020-03-09更新
|
1276次组卷
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5卷引用:青海省西宁市第十四中学2023-2024学年高一下学期4月月考数学试卷