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Class 9MathematicsExploring Algebraic IdentitiesFactorisationExpert
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Choose the correct factorised form of (64a^3-125b^3).

Answer and explanation

Correct answer: ((4a-5b)(16a^2+20ab+25b^2))

Here (64a^3=(4a)^3) and (125b^3=(5b)^3). Exam tip: in the difference formula, the second bracket has positive (20ab).

Related tags

Difference Of CubesCubic FactorisationIdentityFactorisationExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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