उत्सर्जी उत्पाद एवं उनका निष्कासन|Class 11 NCERT जीव विज्ञान |3 PM Class By Dr. Priyanka Ma'am | L2|

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

Let l = {0,pm1,pm2,pm3,pm4,...} and R={(a,b):(a-b)//4=k,kinl} is an equivalence relation, find equivalence class[0].