Hi could somebody please help me.

I really dont understand how to approach this question.

the coefficient of x^2 is 3/8 in the expansion of (1+x/n)^n. find n.

any sort of help would be much appreciated.

thanks.

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- Feb 2nd 2010, 09:06 AMwahhdoebinomial expansion
Hi could somebody please help me.

I really dont understand how to approach this question.

the coefficient of x^2 is 3/8 in the expansion of (1+x/n)^n. find n.

any sort of help would be much appreciated.

thanks. - Feb 2nd 2010, 09:34 AMOpalg