If x all prime factors of 44 and y all prime fa... - JAMB Mathematics 1992 Question
If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ∩ Y respectively are
A
(2, 4, 3, 5, 11) and (4)
B
(4, 3, 5, 11) and (3, 4)
C
(2, 5, 11) and (2)
D
(2, 3, 5, 11) and (2)
correct option: d
x = (all prime factors of 44) and y = (all prime factors of 60)
∴ x = (2, 11), y = (2, 3, 5)
X ∪ Y = (2, 3, 5, 11),
X ∩ Y = (2)
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