\(m^2-9\) का गुणनखंड रूप क्या है?
What is the factorised form of \(m^2-9\)?
Explanation opens after your attempt
D. ((m-3)(m+3))
Concept
Since \(9=3^2\), \(m^2-9\) is a difference of squares. Exam tip: identify difference of squares quickly.
Why this answer is correct
The correct answer is D. ((m-3)(m+3)). Since \(9=3^2\), \(m^2-9\) is a difference of squares. Exam tip: identify difference of squares quickly.
Exam Tip
\(9=3^2\), इसलिए \(m^2-9\) दो वर्गों का अंतर है। परीक्षा में अंतर के वर्गों को तुरंत पहचानें।
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