4pq+3q^2-4pq-3q^2=48pq^2
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16p2q2 + 24pq2 + 9q2 - (16p2q2 - 24pq2 + 9q2 ] = (16 - 26) p2q2 + (24 + 24)pq2 + (9 -9)q2 = (0)p2q2 + 48pq2 + (0)q2 = 48pq2 = RHS Since, LHS = RHS. ∴ (4pq + 3q)2 - (4pq ...
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