MCQOPTIONS
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MCQOPTIONS
| 1. |
The middle term in the expansion of \[{{(1+x)}^{2n}}\] is [DCE 2002] |
| A. | \[\frac{(2n)!}{n!}{{x}^{2}}\] |
| B. | \[\frac{(2n)!}{n!(n-1)!}{{x}^{n+1}}\] |
| C. | \[\frac{(2n)!}{{{(n!)}^{2}}}{{x}^{n}}\] |
| D. | \[\frac{(2n)!}{(n+1)!(n-1)!}\,{{x}^{n}}\] |
| Answer» D. \[\frac{(2n)!}{(n+1)!(n-1)!}\,{{x}^{n}}\] | |