(n) distinct objects की circular arrangements में ((n-1)!) को (n!) से derive करने का सही कारण क्या है?
What is the correct reason for deriving ((n-1)!) from (n!) for circular arrangements of (n) distinct objects?
Correct answer and explanation
A. हर circular arrangement (n) rotations से linear arrangements में गिनी जाती हैEach circular arrangement is counted as (n) rotations in linear arrangements
Simple Explanation
Linear (n!) count में rotations duplicate होते हैं। परीक्षा में circular arrangement में rotational overcount को (n) से divide करें। / Rotations are duplicates in the linear count (n!). In exams divide rotational overcount by (n) in circular arrangements.
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