Use either the (Direct) Comparison Test or the Limit Comparison Test to determine the convergence of the series. n (2) Σ 2n³+1 n+1 (b) n√n 9-1 (c) 10n²-1 (d) 3n¹+1 n+4(e) n+6(f) n² + 5n nttnt1 iM8 iM8 iM8 iM8 iM8 iMa n=1