यदि \(^{8}P_3\) को \(^{8}C_3\) से जोड़ा जाए तो कौन-सा संबंध सही है?
If \(^{8}P_3\) is connected with \(^{8}C_3\) which relation is correct?
Explanation opens after your attempt
A. \(^{8}P_3=^{8}C_3\times6\)
Concept
Because (3!=6) and \(^{n}P_r=^{n}C_r\times r!\). In exams find (r!) quickly.
Why this answer is correct
The correct answer is A. \(^{8}P_3=^{8}C_3\times6\). Because (3!=6) and \(^{n}P_r=^{n}C_r\times r!\). In exams find (r!) quickly.
Exam Tip
क्योंकि (3!=6) और \(^{n}P_r=^{n}C_r\times r!\) होता है। परीक्षा में (r!) को तुरंत निकालें।
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