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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesHard

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What is the correct expansion of ( (2x+3)^3 )?

Answer and explanation

Correct answer: (8x^3+36x^2+54x+27)

( (2x)^3=8x^3 ), (3(2x)^2\cdot3=36x^2), and (3(2x)\cdot9=54x). Exam tip: check the power of every term.

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Cube Identity 2X Plus 3 Expansion Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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