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प्रश्न
Find the product.
(p2 − q2) (2p + q)
बेरीज
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उत्तर
(p2 − q2) (2p + q)
= p2 (2p + q) − q2 (2p + q)
= 2p3 + p2q − 2pq2 − q3
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