### Home > CCA2 > Chapter Ch10 > Lesson 10.3.1 > Problem 10-156

10-156.

Find the sum of the first six terms of the series

Find the common ratio.

Using , find

*.*

Now find the sum of the geometric series using:

10-156.

Find the sum of the first six terms of the series

Find the common ratio.

Using , find

Now find the sum of the geometric series using: