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# If X is a finite set, let P(X) denote the set of all subsets of X and n(X) denote the number of element is in X. If for two finite sets A and B. n[P(A)] = n[P(B)] + 15, find n(A) and n(B).

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## 1 Answer

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n(A) = 4 and n(B) = 0
answered Jun 13, 2014