### Home > CALC > Chapter 11 > Lesson 11.2.4 > Problem 11-88

11-88.

**Multiple Choice:**Which of the series below converges? Homework Help ✎I

II

III

I, III

I, II, III

Series I is a geometric series. What is the value of *r*?

Compare series II to the harmonic series.

For series III, use the Ratio Test.