The Greatest co-efficient in the expansion of 1- x 2 n -2 isA- 2 n -n -2B- 2 n-2 -n-1 -2C- 2 n-2 -n -n-1 -D- 2 n -n -n-1 -

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Greatest Binomial Coefficients

The Greatest ...

Question

The Greatest co-efficient in the expansion of $(1 + x)^{2 n + 2}$ is

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(x + \frac{1}{x})^{2 n}

The middle term in the expansion of $(1 + x)^{2 n}$ is

\frac{1}{x}

{(1 + x)}^{n} {(1 + \frac{1}{x})}^{n}

\frac{n!}{[(n - 1)! (n + 1)!]}

\frac{(2 n)!}{[(n - 1)! (n + 1)!]}

\frac{(2 n)!}{(2 n - 1)! (2 n + 1)!}

The middle term in the expansion of $(1 + x)^{2 n}$ is:

\frac{1}{x}

(1 + x)^{n} {(1 + \frac{1}{x})}^{n}

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