\(a^2+2ab+b^2-c^2\) के गुणनखंड क्या होंगे?
What will be the factors of \(a^2+2ab+b^2-c^2\)?
Explanation opens after your attempt
A. ((a+b-c)(a+b+c))
Concept
First (a-2+2ab+b-2=(a+b)2), then take the difference with \(c^2\). Exam tip: solve mixed identities in two steps.
Why this answer is correct
The correct answer is A. ((a+b-c)(a+b+c)). First (a-2+2ab+b-2=(a+b)2), then take the difference with \(c^2\). Exam tip: solve mixed identities in two steps.
Exam Tip
पहले (a-2+2ab+b-2=(a+b)2), फिर \(c^2\) का अंतर लें। परीक्षा में मिश्रित पहचान को दो चरणों में हल करें।
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