(i) 2 + p2 - 3pq + q2 from 1 + 3p2-2pq
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Explanation:
(2pq+3q 2 ) and (3pq+2q 2)
=(2pq+3q 2)×(3pq+2q 2)
=6p 2q 2 +9pq 3 +4pq 3+6q 4
HOPE ITS HELP YOU
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