### Home > A2C > Chapter 12 > Lesson 12.4.1 > Problem 12-170

12-170.

Suppose

Write an expression for the sum of the sequence.

First find the common ratio, then use the formula for an infinite geometric series.

What is the result when you use polynomial division to divide

by ? Show the first five terms of the quotient. Look back at (a) and explore what that answer means.