if X all perfect squares less than 40 and y all... - JAMB Mathematics 2007 Question
if X = {all perfect squares less than 40} and y = {all odd numbers from 1 to 15}, find X ∩ Y
A
{9, 25}
B
{3, 9}
C
{1, 9}
D
{9}
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Correct Option: C
x = (1, 4, 9, 16, 25, 36}
y = {1, 3, 5, 7, 9, 11, 13, 15}
X ∩ y = {1, 9}
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