Mathematics, 18.12.2020 17:00 shiannlacy33

9. a) If A = {2, 4, 6, 8, 10) and B = {1, 3, 5, 7, 9) are two disjoint sets verify that n(AUB) = n(A) + n(B).
(b) If A = (2, 3, 5, 7} and B = {1, 2, 3, 4, 6, 12) are two overlapping sets, show that
n(A + B) = n(A) + n(B) - n(
AB).

please help me I will mark you brainlist

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9. a) If A = {2, 4, 6, 8, 10) and B = {1, 3, 5, 7, 9) are two disjoint sets verify that n(AUB) = n(...