\(x^2-y^2+2x+1\) को किस रूप में गुणनखंडित किया जा सकता है?
In which form can \(x^2-y^2+2x+1\) be factorised?
Explanation opens after your attempt
A. ((x+1-y)(x+1+y))
Concept
Since (x-2+2x+1=(x+1)2), the expression becomes ((x+1)2-y-2). Exam tip: group terms correctly.
Why this answer is correct
The correct answer is A. ((x+1-y)(x+1+y)). Since (x-2+2x+1=(x+1)2), the expression becomes ((x+1)2-y-2). Exam tip: group terms correctly.
Exam Tip
(x-2+2x+1=(x+1)2), इसलिए expression ((x+1)2-y-2) बनती है। परीक्षा में पदों को सही समूह में रखें।
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