### Home > APCALC > Chapter 12 > Lesson 12.1.4 > Problem 12-47

12-47.

Determine the interval of convergence for each of the following series.

Once the Ratio Test is first applied, your result should be:

Once the Ratio Test is applied and simplified, your result should be:

Once you solve for

, be sure to check the endpoints.

Once you solve for

, be sure to check the endpoints.