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Class 9MathematicsExploring Algebraic IdentitiesFactorisationExpert
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What is the factorised form of (8a^3+12a^2b+6ab^2+b^3)?

Answer and explanation

Correct answer: ((2a+b)^3)

It is ((2a)^3+3(2a)^2b+3(2a)b^2+b^3). Exam tip: identify cube coefficients (1), (3), (3), (1).

Related tags

Perfect CubeCube IdentityFactorisationExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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  3. 3Which rectangle model correctly represents (2x²+x−15)?
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  5. 5Which visual rectangle model can factor x² + 18x + 80?
  6. 6What is the greatest common factor when factorising 6x + 9?
  7. 7Which is the correct factorisation of 4a + 8?
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