\( 121-4y^2 \) का सही गुणनखंड रूप कौन सा है?

Which is the correct factor form of \( 121-4y^2 \)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. ( (11+2y)(11-2y) )

Step 1

Concept

\(121=11^2\) and (4y-2=(2y)2). Difference of squares gives ( (11+2y)(11-2y) ).

Step 2

Why this answer is correct

The correct answer is B. ( (11+2y)(11-2y) ). \(121=11^2\) and (4y-2=(2y)2). Difference of squares gives ( (11+2y)(11-2y) ).

Step 3

Exam Tip

\(121=11^2\) और (4y-2=(2y)2) है। अंतर के वर्गों से ( (11+2y)(11-2y) ) मिलेगा।

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Mathematics Answer, Explanation and Revision Hints

\( 121-4y^2 \) का सही गुणनखंड रूप कौन सा है? / Which is the correct factor form of \( 121-4y^2 \)?

Correct Answer: B. ( (11+2y)(11-2y) ). Explanation: \(121=11^2\) और (4y-2=(2y)2) है। अंतर के वर्गों से ( (11+2y)(11-2y) ) मिलेगा। / \(121=11^2\) and (4y-2=(2y)2). Difference of squares gives ( (11+2y)(11-2y) ).

Which concept should I revise for this Mathematics MCQ?

\(121=11^2\) and (4y-2=(2y)2). Difference of squares gives ( (11+2y)(11-2y) ).

What exam hint can help solve this Mathematics question?

\(121=11^2\) और (4y-2=(2y)2) है। अंतर के वर्गों से ( (11+2y)(11-2y) ) मिलेगा।