MathematicsMedium58×since 2004Q5381Let R₁ = {(a, b) ∈\in∈ N ×\times× N : |a −-− b| ≤\le≤ 13} and R₂ = {(a, b) ∈\in∈ N ×\times× N : |a −-− b| ≠\ne= 13}. Then on N :ABoth R₁ and R₂ are equivalence relationsBNeither R₁ nor R₂ is an equivalence relationCR₁ is an equivalence relation but R₂ is notDR₂ is an equivalence relation but R₁ is notCheck answerSkip