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Question
Identify the pair of sets are disjoint or overlapping?
C = {x : x is a prime number, x > 2} and D = {x : x is an even prime number}
Solution
C = {3, 5, 7, 11, ……}
D = {2}
C ∩ D = {3, 5, 7, 11, ……} ∩ {2} = { }
Since C ∩ D = Ø, C and D are disjoint sets.
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