1.

The greatest coefficient in the expansion of \[{{(1+x)}^{2n+2}}\]  is [BIT Ranchi 1992]

A. \[\frac{(2n)!}{{{(n!)}^{2}}}\]
B. \[\frac{(2n+2)!}{{{\{(n+1)!\}}^{2}}}\]
C. \[\frac{(2n+2)!}{n!(n+1)!}\]
D. \[\frac{(2n)!}{n!(n+1)!}\]
Answer» C. \[\frac{(2n+2)!}{n!(n+1)!}\]


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