%% %% Ein Beispiel der DANTE-Edition %% %% %% Copyright (C) 2010 Herbert Voss %% %% It may be distributed and/or modified under the conditions %% of the LaTeX Project Public License, either version 1.3 %% of this license or (at your option) any later version. %% %% See http://www.latex-project.org/lppl.txt for details. %% %% %%Run also: >> << % Show page(s) 1 %% \documentclass[]{article} \pagestyle{empty} \setlength\textwidth{352.81416pt} \setlength\parindent{0pt} \usepackage{amsmath,xcolor} \begin{document} \color{blue}\begin{multline} A = \lim_{n\rightarrow\infty}\Delta x\left(a^{2}+\left(a^{2}+2a \Delta x +\left(\Delta x\right)^{2}\right)\right.\\ +\left(a^{2}+2\cdot2a\Delta x+2^{2}\left(\Delta x\right)^{2}\right)\\ + \ldots\\ \left.+\left(a^{2}+2\cdot(n-1)a\Delta x +(n-1)^{2}\left(\Delta x\right)^{2}\right)\right)\\ = \color{red}\frac{1}{3}\left( b^{3}-a^{3}\right) \end{multline} \end{document}