If n(A)=m and n(B)=n , then how many relations are possible from set A to set B ????

Asked by Aashna Anith Kumar | 10th May, 2013, 01:42: PM

Expert Answer:

all the relations formed are subset of set formed by cartesian product so to form a relation you have select an element from cartesian product
no of elements in cartesian product=m*n
so no realtions =no. of ways of selecting these m*n elements=2^m*n

Answered by  | 10th May, 2013, 06:09: PM

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