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Class 9MathematicsExploring Algebraic IdentitiesFactorisationHard
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What is the factorised form of (x^4+2x^2y^2+y^4-16z^4)?

Answer and explanation

Correct answer: ( (x^2+y^2-4z^2)(x^2+y^2+4z^2) )

First write (x^4+2x^2y^2+y^4) as ((x^2+y^2)^2). Exam tip: treat larger expressions as one combined square.

Related tags

Compound SquareDifference Of SquaresFactorisationExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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