### Home > APCALC > Chapter 9 > Lesson 9.4.1 > Problem 9-113

9-113.

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

For an infinite geometric series:

This is a geometric series with

.

Think of this as:

What is happening to the value of each term?

See the hint in part (b).

This is a geometric series with

.