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

9-99.

Consider the infinite series below. For each, decide if it converges or diverges and justify your conclusion. If the series converges, find its sum. Homework Help ✎

4 + 4 + 4 + 4 + ...

10 + 9 + 8 + 7 + ...

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.