Question

n(U) = 40
n((AUB)')=12
n(A-B)= 10 and n(B-A)=14 find n(A) and n(B)

Answer 1

Step-by-step explanation:

n(A)+n(B)-n(AcapB)=n{AUB}

if U is universal set

then n(a)=31

n(b)=21

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