Question

If n(AUB)=18, n(A - B)=5, n(B - A)=3, find n(A n B)​

Answer 1

Answer:

n(A n B)=10

Step-by-step explanation:

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

18-(5+3)=18-8=10

hope it helps

Answer 2

Answer:

n(A n B) - 10

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