JAMB - Mathematics (1997 - No. 7)
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)
Penjelasan
\(Y \cup Z\) = \({s, e, n, o, u, p, r}\)
\(X \cap (Y \cup Z)\) = \({p, e, n}\)