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Which of the following pairs of binomials is a pair of conjugates whose product is obtained using the difference of squares identity?

Answer and explanation

Correct answer: \(5x+2y\) और \(5x-2y\)

In conjugate binomials, one term is the same and the other has an opposite sign. Thus, \((5x+2y)(5x-2y)=25x^2-4y^2\). In option B both binomials are identical, so it uses a square identity instead. Exam tip: check for matching terms and opposite signs.

Related tags

Algebraic IdentitiesConjugate BinomialsDifference Of SquaresClass 9 MathematicsPolynomialsExploring Algebraic IdentitiesMathematicsClass 9 Mcq

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