1.If A = {1, 2, 3, 4}, then which one of the following is reflexive?a.{(1, 1), (2, 3), (3, 3)}b.{(1, 1), (2, 2), (3, 3), (4, 4)}c.{(1, 2), (2, 1), (3, 2), (2, 3)}d.{(1, 2), (1, 3), (1, 4)}Login to continueOnly logged in users canattempt or see the solution.
