Green Flag
Z=x+iy Z=|Z|(cosα + i sinα) where |Z|=sqrt(x^2+y^2) α=arctg(y/x) To calculate the power of complex numbers, I used the de Moivre formula. Z^-9+c=(|Z|^-9)*(cos(-9*α) + i sin(-9*α))+c c=-0.9305i
