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प्रश्न
Multiply the following:
(p + 6), (q – 7)
बेरीज
उत्तर
We have,
(p + 6) and (q – 7)
∴ (p + 6) × (q – 7) = p(q – 7) + 6(q – 7)
= pq – 7p + 6q – 42
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पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३०]
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