\(9m^2-1\) का सही गुणनखंड रूप क्या है?

What is the correct factorised form of \(9m^2-1\)?

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

D. ((3m-1)(3m+1))

Step 1

Concept

(9m-2=(3m)2) and \(1=1^2\). Exam tip: apply the difference of squares formula.

Step 2

Why this answer is correct

The correct answer is D. ((3m-1)(3m+1)). (9m-2=(3m)2) and \(1=1^2\). Exam tip: apply the difference of squares formula.

Step 3

Exam Tip

(9m-2=(3m)2) और \(1=1^2\) है। परीक्षा में अंतर के वर्गों का सूत्र लगाएं।

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Mathematics Answer, Explanation and Revision Hints

\(9m^2-1\) का सही गुणनखंड रूप क्या है? / What is the correct factorised form of \(9m^2-1\)?

Correct Answer: D. ((3m-1)(3m+1)). Explanation: (9m-2=(3m)2) और \(1=1^2\) है। परीक्षा में अंतर के वर्गों का सूत्र लगाएं। / (9m-2=(3m)2) and \(1=1^2\). Exam tip: apply the difference of squares formula.

Which concept should I revise for this Mathematics MCQ?

(9m-2=(3m)2) and \(1=1^2\). Exam tip: apply the difference of squares formula.

What exam hint can help solve this Mathematics question?

(9m-2=(3m)2) और \(1=1^2\) है। परीक्षा में अंतर के वर्गों का सूत्र लगाएं।