### Home > CALC > Chapter 12 > Lesson 12.1.1 > Problem12-12

12-12.
1. Multiple Choice: The interval of convergence of the power series is: Homework Help ✎

$\lim_{n\to\infty}\Bigg|\frac{\frac{3^{n+1}x^{n+1}}{(n+1)^2}}{\frac{3^nx^n}{n^2}}\Bigg|$