Mathematics
Question
(a) Sets A and B are defined as follows:
A = {1,2,3,4,4,5,6}
B = {3,5,7}
find : (i) A∩B
(ii) A∪B
(b) If n(E) = 40, n(K) = 60, n(E∩K) = 20, find n(E∪)
Edson
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