TeX Quellcode:

\begin{array}{rcccl} \log_{12}\left(\dfrac{c-d^2}{(c-d)^3}\right) &=& \log_{12}\left(c-d^2\right)-\log_{12}\left((c-d)^3\right) &=& \log_{12}\left(c-d^2\right)-3\log_{12}\left(c-d\right) \end{array}