Find the sum of the convergent series: Σ 19n²-1 n=1 Show that the conditions are satisfied and then use the Integral Test to determine the convergence or divergence of the series: In 2 In 3 +- + 2 3 4 5 6 In 4 In5 In6 + + +. Determine whether each sequence converges or diverges, giving a reason, and if it does converge, find its limit. (-1)" an a) In(n) an 2n b) c) n-p n p is a positive constant. an n