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प्रश्न
Carry out the multiplication of the expression of the following pair.
a + b, 7a2b2
बेरीज
उत्तर
(a + b) × (7a2 b2)
= (a × 7a2b2) + (b × 7a2b2)
= 7a3b2 + 7a2b3
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