Question:
The middle term in the expansion of \(( x + \frac{1}{x} )^{2n}\) is \(1.3.5 . . .\) \(\frac{(2n-1)}{2n\ !}\)
The middle term in the expansion of \(( x + \frac{1}{x} )^{2n}\) is \(1.3.5 . . .\) \(\frac{(2n-1)}{2n\ !}\)
Updated On: Oct 4, 2024
- 1.3.5...(2n-1)(2n)/n!
- \(1.3.5...(2n-1)/n!.2n\)
- 2n!/n!.2n
- none of the above
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The Correct Option is B
Solution and Explanation
The correct option is (B): 1.3.5...(2n-1)/n!.2n
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