If n(A) = 5, n(B) = 6, and n(C) = 9, what is the greatest and least number of elements in each of the following? (a) AU BUC (b) An Bnc (a) The greatest number of elements is A U BUC is The least number of elements in AUBUC is (b) The greatest number of elements in An Bn C is The least number of elements is An B n Cis

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