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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesExpert

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What is the sum of the terms containing (pq), (pr), and (qr) in ( (3p+2q+r)^2 )?

Answer and explanation

Correct answer: (12pq+6pr+4qr)

A three-term square has double products of every pair. Here the (pq), (pr), and (qr) terms are (12pq), (6pr), and (4qr).

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Three Term Square Double Products Pair Terms Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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