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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesMedium

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What is the correct difference between ( (2p-3)^2 ) and (4p^2-9)?

Answer and explanation

Correct answer: First is (4p^2-12p+9) and second is ((2p+3)(2p-3))

One is a perfect square and the other is difference of squares. Exam tip: distinguish bracket square from difference of squares.

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Common Mistake Perfect Square Difference Of Squares Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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