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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesMedium

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Simplify ( (x+y)^2-x^2-y^2 ).

Answer and explanation

Correct answer: (2xy)

( (x+y)^2=x^2+2xy+y^2 ), so (x^2) and (y^2) cancel leaving (2xy). Exam tip: expand and subtract.

Related tags

Simplification 2Xy Binomial Square Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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