### Home > CALC > Chapter 9 > Lesson 9.3.2 > Problem 9-99

9-99.

For an infinite geometric series:

This is a geometric series with *r* = 1.

This is a geometric series with *r* = 1/10.

This is an arithmetic series. Does an infinite arithmetic series have a finite sum?

This is a geometric series with *r* = –3/5.