chibliss14 chibliss14 16-08-2021 Mathematics contestada (a) If ε = {s, p, I, e, n, d, o, u, r},X= {s, p, e, n, d)Y= s, e, n, 0, 1}Z = {p, n, o, u, r}Find X n (Y'UZ).(b) Given that for sets A and B in a universal set E, ACB, find An(An B)'.