Let R be a relation on the set N given by R = {a, b) : a = b – 2, b > 6}. Then
Given R = {(a, b) : a = b – 2, b > 6}
Now according to the question a = b – 2 and b > 6
⇒ R={(5,7),(6,8),(7,9)…….∞ }