TeX Quellcode:

\begin{array}{rclcl} u_1 = e^{2x_1} &=& 0 \cr\cr u_2 = e^{2x_2} &=& 5 &\vert& \ln() \cr 2x_2 &=& \ln(5) &\vert& :2 \cr x_2 &=& \dfrac{\ln(5)}{2} \approx 0{,}80 \end{array}