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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesExpert

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Which is the (bc)-term in ( (3a-2b+c)^2 )?

Answer and explanation

Correct answer: (-2bc)

Twice the product of (-2b) and (c) is (2\cdot(-2b)\cdot c=-4bc). Match both sign and coefficient carefully.

Related tags

Three Term Square Bc Term Negative Sign Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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