TeX Quellcode:

\begin{array}{rcl} \displaystyle\int \left(24x^2-18x\right)\cos(5x) \,dx &=& \dfrac{1}{5}\sin(5x)\left(24x^2-18x\right)- \displaystyle\int \dfrac{1}{5}\sin(5x)\left(48x-18\right)\, dx \cr\cr &=& \dfrac{1}{5}\left(24x^2-18x\right)\sin(5x)- \dfrac{1}{5} \displaystyle\int \left(48x-18\right)\sin(5x)\, dx \end{array}