कौन-सा संबंध \(^{n}C_3\) को \(^{n}P_3\) से प्राप्त करता है?
Which relation obtains \(^{n}C_3\) from \(^{n}P_3\)?
Explanation opens after your attempt
C. \(^{n}C_3=\frac{^{n}P_3}{3!}\)
Concept
Permutation counts (3!) internal orders extra. In exams divide by these orders to get combination.
Why this answer is correct
The correct answer is C. \(^{n}C_3=\frac{^{n}P_3}{3!}\). Permutation counts (3!) internal orders extra. In exams divide by these orders to get combination.
Exam Tip
Permutation में (3!) आंतरिक क्रम extra गिने जाते हैं। परीक्षा में combination पाने के लिए इन क्रमों से भाग दें।
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