Q. 7. Identify like terms in the following:
(b)
Like terms are
(i) 10pq, -7qp and 78qp
(ii) 7p and 2405p
(iii) 8q and -100q
(iv) -p2q2 and 12q2p2
(vii) -23 and 41
(viii) -5p2 and 701p2
(ix) 13p2q and qp2