### Home > CCA2 > Chapter 8 > Lesson 8.2.2 > Problem 8-90

8-90.

Consider this geometric sequence: . .

You know that

,, and. Calculate the result for each term up to, and describe the pattern.Can you see the pattern?The pattern repeats

, , , and . Use the pattern you found in part (a) to calculate

and.is a multiple of . is one more than a multiple of . is one less than a multiple of . is a multiple of . What is

^{ }, whereis a positive whole number?is a multiple of .

Based on your answer to part (c), simplify

,, and.Refer to (a), (b), and (c).

Calculate

,,, and.