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Question
Find the product of the terms
−2mn, (2m)2, −3mn
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Solution
(−2mn) × (2m)2 × (−3mn) = (−2mn) × 22m2 × (−3mn) = (−2mn) × 4m2 × (−3mn)
= (−) (+) (−) (2 × 4 × 3) (m × m2 × m) (n × n)
= +24 m4 4n2
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