Asked by Precious

If A,B and C are three sets,each having a finite number of element,find the value of N(AuB)n (AuC) from the following information,N(AuBuC)=100,N(AnBnC)=10,N(AuBuC)=25,N(AnB)=N(BnC)=15,N(A)=N(C)=2(n(B)

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Answered by oobleck
well, you know that
n(AUB) = n(A) + n(B) - n(A∩B)
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Answered by Samson
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Answered by Samson
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