2.10.118 Number Series

Condition: explore the ranks for the convergence: 1) \ (\ sum_ {n = 1}^{\ infty} \ frac {1} {\ ln (3 n+2)} \), 2) \ (\ sum_ {n = 1}^\ infty} \ frac {n (n+1)} {3^{n}} \) 3) \ (\ sum_ {n = 1}^{\ infty} \ frac {2^{3 n-1}} {(n-1)!} \)