1.

If a set A has n elements and another set B has m elements, what is the number of relations from A to B ?

Answer»

Solution :If` |a|=n,|B|=m`
'"then" |AxxB|=MN`
`:. "The number of POSSIBLE SUBSETS of "AxxB 2^(mn)`
`:."The number of relations from A to B is" 2^(mn)`


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