\({}^{10}P_{1}\) का मान क्या है?
What is the value of \({}^{10}P_{1}\)?
Explanation opens after your attempt
C. (10)
Concept
Since \({}^{n}P_{1}=n\), \({}^{10}P_{1}=10\). For one position, write (n) directly.
Why this answer is correct
The correct answer is C. (10). Since \({}^{n}P_{1}=n\), \({}^{10}P_{1}=10\). For one position, write (n) directly.
Exam Tip
\({}^{n}P_{1}=n\) होता है इसलिए \({}^{10}P_{1}=10\)। एक पद की व्यवस्था में सीधे (n) लिखें।
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