if X n2 1 n 0 2 3 and y n 1 n 2 3 4 5 find x y - JAMB Mathematics 2008 Question
if X = {n2 + 1 : n = 0, 2, 3} and y = {n + 1 : n = 2, 3, 4, 5}, find x ∩ y
A
{1, 3}
B
{5,10}
C
\(\Phi\)
D
(4, 6)
correct option: c
X = {n2 + 1 : n = 0, 2, 3}
y = {n + 1 : n = 2, 3, 4, 5}
find x ∩ y
x = (n2 + 1)(22 + 1)(32 + 1)
y = (2 + 1) (3 + 1)(5 + 1)
x = {1, 5, 10}
y = {3, 4, 6}
x ∩ y = (\Phi)
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