Choose the factorised form of (a^2+b^2+2ab-c^2).

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Answer and explanation

Correct answer: ( (a+b-c)(a+b+c) )

First convert (a^2+b^2+2ab) into ((a+b)^2). Exam tip: turn three terms into a perfect square before proceeding.

What is the correct answer to this question?

( (a+b-c)(a+b+c) )

Why is this the correct answer?

First convert (a^2+b^2+2ab) into ((a+b)^2). Exam tip: turn three terms into a perfect square before proceeding.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Factorisation.

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