if a= {1,2,3,4} and B= {a,b,c} then the total number of relations from A to B are not functions, is 2^6n-3^2n. then n equals?
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ALEX STEPHEN
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There are n^m functions from A to B.
Where m = 4 is number of elements in A and n= 3 is number of elements in B.
Total number of relations are 2^4x3 = 2^12
Total number of relations which are not function =total number of relations total numbers of functions = 2^12 - 3^4
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