\(5m^2-13mn-6n^2\) का सही गुणनखंड रूप कौन सा है?
Which is the correct factorised form of \(5m^2-13mn-6n^2\)?
Explanation opens after your attempt
A. ((5m+2n)(m-3n))
Concept
((5m+2n)(m-3n)) gives \(5m^2-15mn+2mn-6n^2\). Exam tip: use opposite signs for a negative constant term.
Why this answer is correct
The correct answer is A. ((5m+2n)(m-3n)). ((5m+2n)(m-3n)) gives \(5m^2-15mn+2mn-6n^2\). Exam tip: use opposite signs for a negative constant term.
Exam Tip
((5m+2n)(m-3n)) से \(5m^2-15mn+2mn-6n^2\) मिलता है। परीक्षा में ऋण स्थिर पद के लिए विपरीत चिह्न रखें।
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