\(^{n}P_{n-1}\) का फैक्टोरियल रूप क्या होगा?
What is the factorial form of \(^{n}P_{n-1}\)?
Explanation opens after your attempt
Correct Answer
C. (n!)
Concept
\(^{n}P_{n-1}=\frac{n!}{1!}=n!\). In exams write ((n-(n-1))!=1!) carefully.
Why this answer is correct
The correct answer is C. (n!). \(^{n}P_{n-1}=\frac{n!}{1!}=n!\). In exams write ((n-(n-1))!=1!) carefully.
Exam Tip
\(^{n}P_{n-1}=\frac{n!}{1!}=n!\) होता है। परीक्षा में ((n-(n-1))!=1!) को ध्यान से लिखें।
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