解题方法
1 . 已知向量
,
,若
,则k=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b1305dff4fc89f3e8bc75fa7c258de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bd33efe37371b55bce01f2949fe0a4.png)
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解题方法
2 . 已知向量
,
,
,且
,则实数
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4421dd284d462c2bc70d0386ea722163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24527eba6eb84b9544ad9d76d832b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22d82c3c0bf3c58752e92a2252954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d18851f37150a19abdb2cb21b3654f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
3 . 若向量
和向量
平行,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79036a0fac35694d952fec8ada932341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b06ffa0ec8b3f73dab0eee6e3f89a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b8769d7bf2001355155359c70d8566.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-27更新
|
226次组卷
|
3卷引用:山西大学附属中学2024届高三上学期开学考试(总第一次)数学试题