Question

a) Simplify

pq(p2 – q2) -p2q(1-p) +q2p(q-1)​

Answer 1

pq ( p² - q² ) - p²q ( 1 - p ) + q²p ( q - 1 )

evaluate : pq ( 2p² - p - q )

expand : 2pq³ - pq² - qp²

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