Mathematics, 08.12.2020 22:10 4804113260

If n(A) = 10, n(B) = 20, and n(AUB) = 25, then find
n(An B).

Answers: 3

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If n(A) = 10, n(B) = 20, and n(AUB) = 25, then find
n(An B)....