Find all possible roots of the complex number [272(3-+j)]1/3[272(3+j)]1/3

a.

3exp[(1+12k/6)j], where k=0,1,2.

b.

3exp[(j18)].

c.

3exp[(1+12k/18)j], where k=0,1,2.

d.

27(1-3j)+2k, where k=0,1,2.

e.

3,3,1.