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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesExpert

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What is the correct expansion of ( (3x+4)^3 )?

Answer and explanation

Correct answer: (27x^3+108x^2+144x+64)

( (3x)^3=27x^3 ), (3(3x)^2\cdot4=108x^2), and (3(3x)\cdot16=144x). Exam tip: check the power of every term.

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Cube Identity 3X Plus 4 Expansion Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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