TeX Quellcode:
\begin{array}{crclcl}\text{4. Zeile:} & u^{2}+ \dfrac{11}{2} u-3 &=& 0 & \vert & \text{p-q-Formel} \\\text{5. Zeile:} & u_{1,2} &=& -\dfrac{11}{4}\pm\sqrt{\left(\dfrac{11}{4}\right)^2+3} \\\\\text{6. Zeile:} & u_{1,2} &=& -\dfrac{11}{4}\pm\sqrt{\dfrac{169}{16}} \\\\\text{7. Zeile:} & u_1 &=& -\dfrac{11}{4}+\dfrac{13}{4} = \dfrac{1}{2} \\\text{8. Zeile:} & u_2 &=& -\dfrac{11}{4}-\dfrac{13}{4} = -6\end{array}