In the name of ALLAH, the most beneficient, the most merciful

Discrete Mathematics (MTH202)

Question (select most suitable option)

  R = {(a,1), (b,2), (c,3), (d,4)} then the inverse of this relation is _______.
{(a,1), (b,2), (3,c), (4,d)}
{(1,a), (2,b), (3,c), (4,d)}
{(a,1), (2,b), (3,c), (4,d)}
{(1,a), (b,2), (3,c), (4,d)}