\({}^{6}P_{2}\) का मान क्या है?
What is the value of \({}^{6}P_{2}\)?
Explanation opens after your attempt
Correct Answer
A. (30)
Concept
\({}^{6}P_{2}=6\times5=30\). For two places, take (n) and then (n-1).
Why this answer is correct
The correct answer is A. (30). \({}^{6}P_{2}=6\times5=30\). For two places, take (n) and then (n-1).
Exam Tip
\({}^{6}P_{2}=6\times5=30\) है। दो स्थान हों तो पहले (n), फिर (n-1) लें।
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