### Home > CALC > Chapter 12 > Lesson 12.1.4 > Problem 12-50

12-50.

Find the interval of convergence for each 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.