Find the series' radius of convergence. ∑ n=1 ∞ n! 3 ⋅ 6 ⋅ 9 ⋅ … ⋅ 3n x n The radius of convergence is. (Type an integer or a simplified fraction.)
Find the series' radius of convergence. ∑ n=1 ∞ 3 ⋅ 6 ⋅ 9 ⋅ ⋯ 3n n! x n The radius of convergence is. (Type an integer or a simplified fraction.)
