TeX Quellcode:

\vec{a} \times \vec{b} = \begin{pmatrix}-45 \cdot 11 &-& \left(-43\right) \cdot 13 \cr -43 \cdot 9 &-& \left(-35\right) \cdot 11 \cr -35 \cdot 13 &-& \left(-45\right) \cdot 9\end{pmatrix} = \begin{pmatrix}64\cr-2\cr-50\end{pmatrix}