Formula (n!) for arranging (n) distinct objects किस product principle से निकलता है?
The formula (n!) for arranging (n) distinct objects comes from which product principle idea?
Explanation opens after your attempt
Correct Answer
B. पहले स्थान पर (n), फिर (n-1), फिर घटती choices मिलती हैंChoices are (n), then (n-1), then decreasing
Concept
After each chosen object available choices decrease. In exams write decreasing products for distinct arrangements.
Why this answer is correct
The correct answer is B. पहले स्थान पर (n), फिर (n-1), फिर घटती choices मिलती हैं / Choices are (n), then (n-1), then decreasing. After each chosen object available choices decrease. In exams write decreasing products for distinct arrangements.
Exam Tip
हर चुने गए object के बाद available choices कम होती जाती हैं। परीक्षा में distinct arrangement में decreasing product लिखें।
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