\(^{n}C_r=\frac{n-r+1}{r},^{n}C_{r-1}\) किससे मिलता है?
From what do we get \(^{n}C_r=\frac{n-r+1}{r},^{n}C_{r-1}\)?
Explanation opens after your attempt
B. Adjacent combination ratio सेFrom adjacent combination ratio
Concept
It is obtained by simplifying the ratio of \(^{n}C_r\) and \(^{n}C_{r-1}\). In exams use ratio for consecutive (C) terms.
Why this answer is correct
The correct answer is B. Adjacent combination ratio से / From adjacent combination ratio. It is obtained by simplifying the ratio of \(^{n}C_r\) and \(^{n}C_{r-1}\). In exams use ratio for consecutive (C) terms.
Exam Tip
यह \(^{n}C_r\) और \(^{n}C_{r-1}\) के अनुपात को सरल करके मिलता है। परीक्षा में consecutive (C) terms पर ratio लगाएँ।
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