\(x^2-4y^2+2x+1\) का गुणनखंड रूप चुनिए।
Choose the factorised form of \(x^2-4y^2+2x+1\).
Explanation opens after your attempt
A. ( (x+1-2y)(x+1+2y) )
Concept
Write \(x^2+2x+1\) as ((x+1)2). Exam tip: treat the remaining \(-4y^2\) as (-(2y)2).
Why this answer is correct
The correct answer is A. ( (x+1-2y)(x+1+2y) ). Write \(x^2+2x+1\) as ((x+1)2). Exam tip: treat the remaining \(-4y^2\) as (-(2y)2).
Exam Tip
\(x^2+2x+1\) को ((x+1)2) लिखें। परीक्षा में बाकी \(-4y^2\) को (-(2y)2) समझें।
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