1S 2. Given the series E On An3 - 1 n=1 (a) Find lim on 1-+00 (b) Write the first 10 terms of the series and the first 10 partial sums of the series. (c) Based on your answers in (b), state a general formula for s,, the nth partial sum, and find the sum of the series or show it diverges. (d) Find the partial fraction decomposition of a, and explain in a print statement how this can be used to find s, by hand