Question

U = {1, 2, 3, 4) and relation R = {(x, y) : y > x, x, y e U} then range of R is .....
(A) {1, 2, 3, 4}
(B) (2, 3, 4}
(C) {4}
(D) O
Thanh dontity function
BB is​

Answer 1

Answer:

Given, x, y belong to U, y >x

when, x=1, y=2

x=2, y=3

x=3, y=4

range = {2, 3, 4} (B)