已知向量
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33338f81bc794eddf11ab1518a26b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17efa486730dd08dc535c1145a579ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.0 | D.3 |
更新时间:2023-05-08 22:34:00
|
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容易
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真题
解题方法
【推荐1】若向量
,
,
满足条件
,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479779070b95c1c2845f0a24dc8d5f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a266e28ad260473e247cfdc77b504c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e32fb680577821aabb68b3d1f1ccc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e4cb5563eb13564311025397e954d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.6 | B.5 | C.4 | D.3 |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
解题方法
【推荐1】已知
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19630491c8d9796cec5e569d79966ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e97ecaf990a636c4648956663ff6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
解题方法
【推荐2】在平面直角坐标系
中,点
,若向量
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e76289306006af14c0b7a6e05d9441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfe4da6f357e55927d25d9d27ea8717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.4 | B.3 | C.2 | D.![]() |
您最近一年使用:0次