Question

If n(A) = 50, n(B) = 35, n(A∩B) = 5, then n(AUB) is qual to​

Answer 1

Answer:

N(U)= 60

N(AUB)'=10

N(AUB)=N(U)- N(AUB)'

= 60-10

=50

So N(A intersection B)= N(A)+N(B) - N (AUB)

= 35+24-50

=9

Answer 2

Answer:

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