Question

If there are 256 relations from a set A={1,2,3,4} to a set B, then the number of elements in B is

Answer 1

Answer:

to find relations we use the formula as 2power if n(n-1) by using this we can get as 256 same like that number of elements in b is output is 64

Answer 2

Answer:

4+_83929("("!! _(2993_