Recent content by kj13529

I just want to verify my answers. I am asked to determine whether the sum converges absolutely, conditionally or diverges. ((-1)^k)*2^n)/n^(n/2). I got that it was conditionally convergent, is that correct?

Thanks, it was so simple -.-

I need to find the sum of 2^n/n! from n=2 to infinity, i know that it converges to e^x but how do i find the sum?

So basically I plug into the general formula, then what, how do I use that information to find the series of arctan?

Im really having trouble wrapping my mind around the topic of maclaurin series, my problem requires me to find the maclaurin series of f(x) = 1/(1+x^2), then use that to find the maclaurin series of g(x)= arctan(x)...i don't even know where to begin.