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

12-50.

Find the interval of convergence for each series. Homework Help ✎

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 *x*, be sure to check the endpoints.

Once you solve for *x*, be sure to check the endpoints.