यदि (n) even है तो \({}^{n}C_r\) का unique largest term कौन-सा होता है?
If (n) is even, which is the unique largest term of \({}^{n}C_r\)?
Explanation opens after your attempt
Correct Answer
A. \({}^{n}C_{\frac{n}{2}}\)
Concept
For even (n), binomial coefficients peak at the middle. In exams identify the middle term using symmetry and ratio.
Why this answer is correct
The correct answer is A. \({}^{n}C_{\frac{n}{2}}\). For even (n), binomial coefficients peak at the middle. In exams identify the middle term using symmetry and ratio.
Exam Tip
Even (n) में binomial coefficients middle पर peak करते हैं। परीक्षा में symmetry और ratio दोनों से middle term पहचानें।
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