(n) distinct objects की circular arrangement में ((n-1)!) क्यों आता है?

Why does ((n-1)!) appear in circular arrangement of (n) distinct objects?

Explanation opens after your attempt
Correct Answer

A. एक object को fixed मानकर rotation duplicates हटाए जाते हैंOne object is fixed to remove rotational duplicates

Step 1

Concept

Rotations in a circle are considered the same so one position is fixed. In exams divide linear (n!) by (n) for circular permutation.

Step 2

Why this answer is correct

The correct answer is A. एक object को fixed मानकर rotation duplicates हटाए जाते हैं / One object is fixed to remove rotational duplicates. Rotations in a circle are considered the same so one position is fixed. In exams divide linear (n!) by (n) for circular permutation.

Step 3

Exam Tip

Circle में rotations same माने जाते हैं इसलिए एक position fixed करते हैं। परीक्षा में circular permutation में linear (n!) को (n) से divide करें।

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Mathematics Answer, Explanation and Revision Hints

(n) distinct objects की circular arrangement में ((n-1)!) क्यों आता है? / Why does ((n-1)!) appear in circular arrangement of (n) distinct objects?

Correct Answer: A. एक object को fixed मानकर rotation duplicates हटाए जाते हैं / One object is fixed to remove rotational duplicates. Explanation: Circle में rotations same माने जाते हैं इसलिए एक position fixed करते हैं। परीक्षा में circular permutation में linear (n!) को (n) से divide करें। / Rotations in a circle are considered the same so one position is fixed. In exams divide linear (n!) by (n) for circular permutation.

Which concept should I revise for this Mathematics MCQ?

Rotations in a circle are considered the same so one position is fixed. In exams divide linear (n!) by (n) for circular permutation.

What exam hint can help solve this Mathematics question?

Circle में rotations same माने जाते हैं इसलिए एक position fixed करते हैं। परीक्षा में circular permutation में linear (n!) को (n) से divide करें।