\(^{n}C_r\) और \(^{n}P_r\) के connection में कौन-सा कथन सबसे सही है?
Which statement is most correct about the connection between \(^{n}C_r\) and \(^{n}P_r\)?
Explanation opens after your attempt
A. \(^{n}C_r\) selection गिनता है और \(^{n}P_r\) ordered selection गिनता है\(^{n}C_r\) counts selection and \(^{n}P_r\) counts ordered selection
Concept
Permutation adds the arrangement of chosen objects to combination. In exams remember \(P=C\times r!\) conceptually.
Why this answer is correct
The correct answer is A. \(^{n}C_r\) selection गिनता है और \(^{n}P_r\) ordered selection गिनता है / \(^{n}C_r\) counts selection and \(^{n}P_r\) counts ordered selection. Permutation adds the arrangement of chosen objects to combination. In exams remember \(P=C\times r!\) conceptually.
Exam Tip
Permutation में combination के साथ चुनी वस्तुओं की व्यवस्था भी जुड़ती है। परीक्षा में \(P=C\times r!\) को concept से याद रखें।
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