Sarthaks Test
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Find the product.

(i) (a2 + b) (a + b2

(ii) (p2 − q2) (2p + q)

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(i) (a2 + b) (a + b2

= a2 (a + b2) + b (a + b2)

= a3 + a2b2 + ab + b3

(ii) (p2 − q2) (2p + q) 

= p2 (2p + q) − q2 (2p + q)

= 2p3 + p2q − 2pq2 − q3

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