\(^{n}C_4\) को \(^{n}P_4\) से प्राप्त करने के लिए किससे भाग देंगे?
To obtain \(^{n}C_4\) from \(^{n}P_4\) by what should we divide?
Explanation opens after your attempt
Correct Answer
A. (4!)
Concept
The (4!) internal orders of four selected objects must be removed. In exams apply \(^{n}C_r=\frac{^{n}P_r}{r!}\).
Why this answer is correct
The correct answer is A. (4!). The (4!) internal orders of four selected objects must be removed. In exams apply \(^{n}C_r=\frac{^{n}P_r}{r!}\).
Exam Tip
चार चुनी वस्तुओं के (4!) internal orders हटाने होते हैं। परीक्षा में \(^{n}C_r=\frac{^{n}P_r}{r!}\) लगाएँ।
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