## Pre-Calc 11 Week #2

This week I learned about finite geometric series and how to find the general term () along with how to find the sum of whatever the term number is.

To find , you need and the common ratio

In this example I’m looking for with a of 5 and a common ratio of 2

And in this next example I show how to find with the same numbers.

## Pre-Calc 11 Week #1

This week in Pre-Calc 11 we learned how to use the patterns in arithmetic sequences and series to find a number later in the series/sequence.

Basically if is 4 and is 8 we can tell the common difference is +4 using the common difference we can find any number after.

In this example I’ll show how to get using the information found