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Subjects
Class 9MathematicsExploring Algebraic IdentitiesFactorisationHard
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Choose the correct factorisation of (12a^2-7ab-b^2).

Answer and explanation

Correct answer: ( (4a- b)(3a+b) ) / ( (4a-b)(3a+b) )

For (-7ab), write (12a^2-8ab+ab-b^2). Exam tip: when options look similar, confirm by expansion.

Related tags

Quadratic In VariablesAc MethodFactorisationExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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