use the Limit Comparison Test to determine the convergence or divergence of the series. i 5 18. n n=1 4 + 1 OD 2n+1 2'1;an use the Direct Comparison Test to determine the convergence or divergence of the series. use the Limit Comparison Test to determine the convergence or divergence of the series. use the Direct Comparison Test to determine the convergence or divergence of the series. co 1 6. Z: 3712 + 2 n 1 00 4.7]. 8. Z 5. + 3 71:0 {)0 1 10. 711 713 + 1 DO 1 12. Z3. 4 c/ 1 oo