Math, asked by TankDempsey, 8 months ago

If n (u)= 40, n(AUB) = 31, then find n(A' intersection B')​

Answers

Answered by girish4451
5

Answer:

N(A'nB')=n(AUB)' ----->De Morgan's law. 

Therefore, n(AUB)'=n(U)-n(AUB)=40-31=9 

So, n(A'nB')=n(AUB)'=9

Step-by-step explanation:

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