Question

2. If n(E) = 32, n(A) = 20, n(B) = 16 and n((AUB)) = 4, find:
(i) n(AUB)
(ii) n(
AB)
(ii) n(A-B)​

Answer 1

step by step

1) n(AUB)= 4

2) n(AB)=320

3) n(A-B)=4

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