>please help!!!!!!!!! it's anotehr one of my extra credit
>problems. This is an unnecessary piece of information. I do not know who could care about your credits. It would be a different matter if your interest lied in mathematics
>Here we go:
>If (x+1)^n is multiplied out, how many of the coefficients
>are odd?
Search the site for Pascal's triangle. There are several pages there. On at least one, there's an answer.