TeX Quellcode:
{z_3=\sqrt[3]{8}\left(\cos\left(\dfrac{0+2\cdot 3\cdot\pi}{3}\right)+i\sin\left(\dfrac{0+2\cdot 3\cdot\pi}{3}\right)\right)=2\left(\cos\left(2\pi\right)+i\sin\left(2\pi\right)\right)=2\left(\cos\left(0\right)+i\sin\left(0\right)\right)=z_0}