\(^{n}P_4\) को \(^{n}C_4\) से प्राप्त करने के लिए किससे गुणा करेंगे?
To obtain \(^{n}P_4\) from \(^{n}C_4\) by what should we multiply?
Explanation opens after your attempt
B. (4!)
Concept
The four chosen objects can be ordered in (4!) ways. In exams multiply by (r!) when going from (C) to (P).
Why this answer is correct
The correct answer is B. (4!). The four chosen objects can be ordered in (4!) ways. In exams multiply by (r!) when going from (C) to (P).
Exam Tip
चुनी हुई चार वस्तुओं को (4!) तरीकों से क्रम दिया जा सकता है। परीक्षा में (C) से (P) जाने पर (r!) गुणा करें।
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