The relation R defined in A = {1, 2, 3} by aRb, ifa2 b2 5. Which of the following is false?

• A. r = {(1, 1), (2, 2), (3, 3), (2, 1), (1, 2), (2, 3), (3, 2)}
• B. r 1 = r
• C. domain of r = {1, 2, 3}
• D. range of r = {5}