The first term of a geometric sequence is 16, and the fourth term is 4 (a) Find the common ratio r. r = Find the fifth term. a5 = (b) Find the partial sum of the first eight terms. S8 =
The first term of a geometric sequence is 16, and the fourth term is 4 (a) Find the common ratio r. r = Find the fifth term. a5 = (b) Find the partial sum of the first eight terms. S8 =
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter13: Sequences And Series
Section13.CT: Chapter Test
Problem 5CT: The first term of a geometric sequence is 25, and the fourth term is 15. a Find the common ratio r...
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