Question 3 (viii)
Subtract:
4pq−5q2−3p2 from 5p2+3q2−pq
Question 4 (iii)
Subtract 4p2q−3pq+5pq2−8p+7q−10from18−3p−11q+5pq−2pq2+5p2q.
pq2+q(p−1)−1=?(a) (pq+1)(q−1)(b) p(q+1)(p−1)(c) q(p−1)(q+1)(d) (pq−1)(q+1)