### Home > A2C > Chapter 12 > Lesson 12.3.2 > Problem 12-146

12-146.

Why does the formula for the sum of an infinite geometric series contain the condition that

What happens to the formula when *r* ≥ 1?

12-146.

Why does the formula for the sum of an infinite geometric series contain the condition that

What happens to the formula when *r* ≥ 1?