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(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)'.​

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