\(x^2+2x+1-y^2+4y-4\) का सही गुणनखंडन कौन सा है?

Which is the correct factorisation of \(x^2+2x+1-y^2+4y-4\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. ((x+1-y+2)(x+1+y-2))

Step 1

Concept

First identify (x-2+2x+1=(x+1)2) and (y-2-4y+4=(y-2)2). Then use difference of squares.

Step 2

Why this answer is correct

The correct answer is A. ((x+1-y+2)(x+1+y-2)). First identify (x-2+2x+1=(x+1)2) and (y-2-4y+4=(y-2)2). Then use difference of squares.

Step 3

Exam Tip

पहले (x-2+2x+1=(x+1)2) और (y-2-4y+4=(y-2)2) पहचानें। फिर वर्गों के अंतर का प्रयोग करें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

\(x^2+2x+1-y^2+4y-4\) का सही गुणनखंडन कौन सा है? / Which is the correct factorisation of \(x^2+2x+1-y^2+4y-4\)?

Correct Answer: A. ((x+1-y+2)(x+1+y-2)). Explanation: पहले (x-2+2x+1=(x+1)2) और (y-2-4y+4=(y-2)2) पहचानें। फिर वर्गों के अंतर का प्रयोग करें। / First identify (x-2+2x+1=(x+1)2) and (y-2-4y+4=(y-2)2). Then use difference of squares.

Which concept should I revise for this Mathematics MCQ?

First identify (x-2+2x+1=(x+1)2) and (y-2-4y+4=(y-2)2). Then use difference of squares.

What exam hint can help solve this Mathematics question?

पहले (x-2+2x+1=(x+1)2) और (y-2-4y+4=(y-2)2) पहचानें। फिर वर्गों के अंतर का प्रयोग करें।