If z=eiπ/12z = e^{i\pi/12}z=eiπ/12, evaluate the expression z6+z−6z3−z−3\frac{z^6 + z^{-6}}{z^3 - z^{-3}}z3−z−3z6+z−6.
000
iii
1/i1/i1/i
111