the answer given is 16. 
as A and B have 2 elements each.. thus 2*2=4 and 2 to the power 4 gives 16.
but sir/maam i am getting R={(1,3) ,(1,4) ,(2,3) ,(2,4)}
how come sixteen is coming???

Asked by Sayoni Maiti | 12th May, 2014, 05:16: PM

Expert Answer:

A relation from A to B is a subset of A x B

There are the 22 = 4 elements in A x B

Therefore, the number of relations would be 24 = 16

Answered by Avinash Soni | 14th May, 2014, 10:54: AM

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