Flashcards

Factorisation

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Question

What is the algebraic identity for the expansion of (a+b)2(a+b)^2?

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Answer

The identity is: (a+b)2=a2+2ab+b2(a+b)^2 = a^2 + 2ab + b^2 This is used to factorise expressions that are perfect square trinomials with a positive middle term.

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