भुजाएं \(m+n\) और \(m+n\) वाले वर्ग को चार भागों में बांटने पर कौन सा भाग नहीं बनता?
A square with sides \(m+n\) and \(m+n\) is split into four parts. Which part is not formed?
Explanation opens after your attempt
D. \(m^2-n^2\)
Concept
The four parts are \(m^2\), \(mn\), \(mn\), and \(n^2\). \(m^2-n^2\) belongs to another identity.
Why this answer is correct
The correct answer is D. \(m^2-n^2\). The four parts are \(m^2\), \(mn\), \(mn\), and \(n^2\). \(m^2-n^2\) belongs to another identity.
Exam Tip
चार भाग \(m^2\), \(mn\), \(mn\) और \(n^2\) होते हैं। \(m^2-n^2\) अलग सर्वसमिका से जुड़ा है।
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