\(^{n}C_r=\frac{n-r+1}{r},^{n}C_{r-1}\) 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
Correct Answer

B. Adjacent combination ratio सेFrom adjacent combination ratio

Step 1

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.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

\(^{n}C_r=\frac{n-r+1}{r},^{n}C_{r-1}\) किससे मिलता है? / From what do we get \(^{n}C_r=\frac{n-r+1}{r},^{n}C_{r-1}\)?

Correct Answer: B. Adjacent combination ratio से / From adjacent combination ratio. Explanation: यह \(^{n}C_r\) और \(^{n}C_{r-1}\) के अनुपात को सरल करके मिलता है। परीक्षा में consecutive (C) terms पर ratio लगाएँ। / It is obtained by simplifying the ratio of \(^{n}C_r\) and \(^{n}C_{r-1}\). In exams use ratio for consecutive (C) terms.

Which concept should I revise for this Mathematics MCQ?

It is obtained by simplifying the ratio of \(^{n}C_r\) and \(^{n}C_{r-1}\). In exams use ratio for consecutive (C) terms.

What exam hint can help solve this Mathematics question?

यह \(^{n}C_r\) और \(^{n}C_{r-1}\) के अनुपात को सरल करके मिलता है। परीक्षा में consecutive (C) terms पर ratio लगाएँ।