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Mathematics, 03.05.2020 12:57 weirdoal567

If & = {1, 2, 3, ..., 9}, A = {1, 2, 3, 4, 6, 7, 8} and B = {4, 6, 8}, then find
verify that :
(a) (An B)' = A' U B'
(b) n(A) + n(A') = n(&)
(C) n(An B) + n((ANB)') = n(&) (d) n(A - B) + n(B - A) + n(A n B) = n(A U B).

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If & = {1, 2, 3, ..., 9}, A = {1, 2, 3, 4, 6, 7, 8} and B = {4, 6, 8}, then find
verify th...
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