Question

If n(u)=100,n(A)=75,n(B)=40,n(AuB)=80,Find n(AnB)

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Answer 1

Answer:

n(AnB)=35

Step-by-step explanation:

n(AnB)=n(A)+n(B)-n(AUB)

75+40-80

75-40

n(AnB) =35