Question

.Let A and B be two sets such that n(A)=20,n(AUB)=42 and n(A intersection B) =4.Find (i) n(B) (ii) n(A-B).

Answer 1

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Step-by-step explanation:

.Let A and B be two sets such that n(A)=20,n(AUB)=42 and n(A intersection B) =4.Find (i) n(B) (ii) n(A-B).

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