On dividing 2mp2q−mqp+4npq2 by pq, what do we get?
2m−p+4n
2np−m+4mq
2mq−m+4np
2mp−m+4nq
2mp2q−mqp+4npq2pq
= 2mp2qpq−mqppq+4npq2pq
= 2mp−m+4nq
What natural number do we get by dividing