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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesMedium

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What is the difference between ( (a-b)^2 ) and (a^2-b^2)?

Answer and explanation

Correct answer: (2b^2-2ab)

( (a-b)^2=a^2-2ab+b^2 ), so subtracting (a^2-b^2) gives (2b^2-2ab). Exam tip: keep both identities separate.

Related tags

Identity Comparison Minus Square Difference Of Squares Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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