已知点
,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde14ad18e9b6f0422576be3ee98d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe51a2c12e6f14dea578d8adf9f81fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c668a025c66a4ee803f6e07258a4c049.png)
更新时间:2023-09-17 21:50:30
|
【知识点】 空间向量模长的坐标表示
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】已知空间三点
.
(1)若
,且
分别与
,
垂直,求
的坐标;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab57dc75393d9df0860efd60be49398c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cbd3ad4cfa6d2a99a3cf2217f96134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd98b67b73e168c4304cea8eb722bbd.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,在棱长为1的正方体ABCD-A1B1C1D1中,E,F分别为D1D,BD的中点,G在棱CD上,且
,H为C1G的中点.求|
|.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0635059fd390592d1851dfe56c72cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b62c263c62cd7ca06b1ce176bf940f8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/c9875a08-b9c9-467b-a99e-377d0a62dc9f.png?resizew=167)
您最近一年使用:0次