Question

(iii) Which of the following relations are equivalence relations
(a) R = {(x,x) : x is prime < 8}
(b) R = {(a, b) : a, bez, a-bis divisible by m
(c) R = {(a, b) : a, beN and a = b^}
(d) R = {(a, b) : a, beZ and a - b is even}
(iv) A relation R on set A = {1,2,3) is given by R = {(1, 1) (2.​

Answer 1

Answer:

c is equivalence relation