TeX Quellcode:

{ z_4=\sqrt[3]{8}\left(\cos\left(\dfrac{0+2\cdot 4\cdot\pi}{3}\right)+i\sin\left(\dfrac{0+2\cdot 4\cdot\pi}{3}\right)\right)=2\left(\cos\left(\dfrac{8\pi}{3}\right)+i\sin\left(\dfrac{8\pi}{3}\right)\right)=2\left(\cos\left(\dfrac{2\pi}{3}\right)+i\sin\left(\dfrac{2\pi}{3}\right)\right)=z_1 }