Find all complex cube roots of 111.
1,ei2π/3,ei4π/31, e^{i2\pi/3}, e^{i4\pi/3}1,ei2π/3,ei4π/3
1,eiπ/3,eiπ/61, e^{i\pi/3}, e^{i\pi/6}1,eiπ/3,eiπ/6
1,i,−i1, i, -i1,i,−i
1,−1,i1, -1, i1,−1,i