TeX Quellcode:

\begin{array}{rcl} \left|\lambda\begin{pmatrix}23\cr-35\cr-27\end{pmatrix}\right| &=& \sqrt{{\left(23\lambda\right)}^2+{\left(-35\lambda\right)}^2 +{\left(-27\lambda\right)}^2} \cr &=& \sqrt{\lambda^2 \left(529+1.225+729\right)} \cr &=& \left|\lambda\right|\sqrt{2.483} \end{array}