TeX Quellcode:

\dfrac{45} {2} \left(\cos\left(\dfrac{3\pi}{5} \right)+i \sin\left(\dfrac{3\pi}{5} \right) \right) \; : \; \left(9\left(\cos\left(\dfrac{4\pi}{9}\right)+i \sin\left(\dfrac{4\pi} {9} \right)\right)\right)