If U = (s, p, i, e, n, d, o, u, r), X = (s, p, e, n, d) Y...
If U = (s, p, i, e, n, d, o, u, r), X = (s, p, e, n, d) Y = (s, e, n, o, u), Z = (p, n, o, u, r) find X ∩( Y ∪ Z)
(p, o, u, r)
(s, p, d, r)
(s, p, n, e)
(n, d, u)
Correct answer is C
Y∪Z = s,e,n,o,u,p,r
X∩(Y∪Z) = p,e,n
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