=qā²+rā² q=dā²qā²+rā²......(ii) By substituting the value of q in equation (i) we get, pd(dā²qā²+rā²)+r p=ddā²qā²+drā²+r ......(iii) By using equation (iii), we can say that when P is divided by d, then quotient is qā and the remainder is r + rād.