(n) लोगों को (r) distinct rooms में रखना है और rooms empty हो सकते हैं। Count \(r^n\) क्यों है?
(n) people are to be placed into (r) distinct rooms and rooms may be empty. Why is the count \(r^n\)?
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A. क्योंकि हर person के लिए (r) room choices independent हैंBecause each person has (r) independent room choices
Simple Explanation
Distinct persons के independent choices multiply होते हैं। परीक्षा में व्यक्ति distinct हों तो balls-and-boxes को power से जोड़ें। / Independent choices of distinct people multiply. In exams connect distinct-person box problems with powers.
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