Evaluate the following series. (a) n=1 gn = inf 8n 8n (b) n=1 = inf 8n+4 8n3n (c) = 17/2 n=1 (d) n=5 (e) n=2 (-8) n 1 - 3n = 1/6 (f) 3n 62n+1 n: For the series that converge, enter the sum. For the series that diverge, enter the most descriptive string, choosing from "-inf", "inf", and "DNE".