TeX Quellcode:

\begin{array}{rclll} z_1 = b^2 &=& -\dfrac{5}{2}+\dfrac{\sqrt{23}}{2} &\vert& \pm\sqrt{} \\b_{1,2} &=& \pm\sqrt{-\dfrac{5}{2}+\dfrac{\sqrt{23}}{2}}\\\\z_2 = b^2 &=& -\dfrac{5}{2}-\dfrac{\sqrt{23}}{2} &\vert& \pm\sqrt{} \\b_{3,4} &=& \pm\sqrt{-\dfrac{5}{2}-\dfrac{\sqrt{23}}{2}}\end{array}