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Which of the following quadratic expressions has conjugate linear binomial factors?

Answer and explanation

Correct answer: \(p^2-16q^2\)

\(p^2-16q^2=p^2-(4q)^2=(p-4q)(p+4q)\), so its factors are conjugate binomials. C is a repeated-binomial square. Exam tip: spot two squares separated by a minus sign.

Related tags

Algebraic IdentitiesQuadratic ExpressionsDifference Of SquaresFactorisationClass 9 MathematicsExploring Algebraic IdentitiesMathematicsClass 9 Mcq

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