TeX Quellcode:

\begin{array}{rclcl} \mathbb{D} &=& \mathbb{R} \cr\cr z^8 -97z^4+1.296z^0 &=& 0 \cr \left(z^4\right)^2-97z^4+1.296\left(z^4\right)^0 &=& 0\end{array}