What is the inverse of the function { (1,2),(2,3), (3,1) } from the set A ={1,2,3} to itself?
{ (1,2),(2,3), (3,1) }
{(2,1), (3,3), (1,2)}
{(2,3), (1, 2), (3,1)}
None of these
Let A = {1, 2, 3}, B = {1, 3, 5}. If relation R from A to B is given by
R = {(1, 3), (2, 5), (3, 3)}. Then, R−1 is