TeX Quellcode:

{z_1=\sqrt[3]{8}\left(\cos\left(\dfrac{0+2\cdot 1\cdot\pi}{3}\right)+i\sin\left(\dfrac{0+2\cdot 1\cdot\pi}{3}\right)\right)=2\left(\cos\left(\dfrac{2\pi}{3}\right)+i\sin\left(\dfrac{2\pi}{3}\right)\right)}