Two finite sets have \( m \) and \( n \) elements. The total number...

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Two finite sets have \( m \) and \( n \) elements. The total number of subsets of the first set is 56 more than the total number of subsets of second set. The values of \( m \) and \( n \) are
(A) 7, 6
(B) 6, 3
(C) 5,1
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