- #1

student45

The sum from n=0 to infinity of...

(2-(n)^(1/2)) * (x-1)^(3n)

I think the ratio test is supposed to work, but I narrow the limit of the test down to 1/|x-1|^3 < 1, and this doesn't make sense to me. Is there an easier way, or am I doing something wrong?

Thanks.