TeX Quellcode:

\begin{array}{rclcll} -\dfrac{4}{3} &=& 2(x-1)^2-\dfrac{4}{3} &\vert & +\dfrac{4}{3} \cr 0 &=& 2(x-1)^2 &\vert & :2 \cr 0 &=& (x-1)^2 &\vert & \sqrt{} \cr 0 &=& x-1 &\vert& +1 \cr 1 &=& x & & \rightarrow \quad P_2\left(1 \mid -\dfrac{4}{3}\right) \end{array}