\(^{12}P_3\) की व्युत्पत्ति में अंतिम गुणनखंड कौन-सा होगा?
In the derivation of \(^{12}P_3\) what will be the last factor?
Explanation opens after your attempt
C. (10)
Concept
The three position factors are (12), (11), and (10). In exams see (n-r+1) as the last factor.
Why this answer is correct
The correct answer is C. (10). The three position factors are (12), (11), and (10). In exams see (n-r+1) as the last factor.
Exam Tip
तीन स्थानों के factors (12), (11), (10) होंगे। परीक्षा में (n-r+1) को last factor के रूप में देखें।
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