Question

Relation R is defined on ℕ as R={(a,b): a – b is an even natural number, a,b∈ ℕ}. Show that R is neither
reflexive nor symmetric but transitive.
plss answer this question ver urgent

Answer 1

reflexive a-a=0 as 0 is not even

symmetric a-bis even but b-a is odd

transitive a-b is even and b-c is also even and even a-c is also even