Please help me with Alternating Series Test in Calculus

Skill Builder 10.7 - Alternating Series Tests for Convergence Use the Alternating Series Test to determine the convergence or divergence of each of the following s 1.) (- 1 ) "+1 2.) (1) n n=l n+1 3n-1 3.) (-1) " 4.) ( - 1 ) " n2 n=1 3n-1 mel n' + 2 :. ) ( - 1 )" 6.) ( - 1) "n n = 1 In n