Abstract:In this paper we prove that if R is a ring with unity satisfying [ xy − x n , y m = 0, for all x, y ∈ R and fixed integers m ≥ 1, n ≥ 1, then R is commutative....In this paper we prove that if R is a ring with unity satisfying [ xy − x n , y m = 0, for all x, y ∈ R and fixed integers m ≥ 1, n ≥ 1, then R is commutative.Read More