TeX Quellcode:

\begin{array}{rclll}0 &=& \dfrac{1}{4} \ln(9x-10) &\vert & \cdot 4\cr 0 &=& \ln(9x-10) &\vert & e^{*}\cr 1 &=& 9x-10 &\vert & +10\cr 11 &=& 9x &\vert & :9\cr x &=& \dfrac{11}{9} \approx 1{,}22 \;\in\;\mathbb{D} & & \rightarrow \quad P_2 \left( \dfrac{11}{9} \mid 0 \right)\end{array}