Задача 54427 ...

5f871d864df5f623068f487a

14.10.2020 18:47:59

OA×OK вектор

5f3ea7e3faf909182968ddd9

14.10.2020 18:55:33

★

[m]\vec{OA}=( x_{1};y_{1} ;z_{1})[/m]

[m]\vec{OK}=( x_{2};y_{2} ;z_{2})[/m]

[m]\vec{OA}×\vec{OK} =\begin{vmatrix}
\vec{i}&\vec{j} &\vec{k} \\
x_{1}&y_{1} &z_{1} \\
x_{2}&y_{2} &z_{2}
\end{vmatrix}[/m]