जब (n) odd हो, तो \({}^{n}C_r\) के maximum terms कौन-से होते हैं?
When (n) is odd, which terms are maximum for \({}^{n}C_r\)?
Explanation opens after your attempt
Correct Answer
A. \({}^{n}C_{\frac{n-1}{2}}\) और \({}^{n}C_{\frac{n+1}{2}}\)\({}^{n}C_{\frac{n-1}{2}}\) and \({}^{n}C_{\frac{n+1}{2}}\)
Concept
For odd (n), the two central complementary indices give equal maxima. In exams remember two middle terms in the odd case.
Why this answer is correct
The correct answer is A. \({}^{n}C_{\frac{n-1}{2}}\) और \({}^{n}C_{\frac{n+1}{2}}\) / \({}^{n}C_{\frac{n-1}{2}}\) and \({}^{n}C_{\frac{n+1}{2}}\). For odd (n), the two central complementary indices give equal maxima. In exams remember two middle terms in the odd case.
Exam Tip
Odd (n) में दो central complementary indices बराबर maximum देते हैं। परीक्षा में odd case में दो middle terms याद रखें।
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