Find the first term of each infinite geometric series. 81 21. S =- 320 -2 20. S =92, r = 2

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter12: Sequences, Series And Binomial Theorem
Section12.3: Geometric Sequences And Series
Problem 12.54TI: Find the sum of the infinite geometric series 64+16+4+1+14+116+...
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Find the first term of each infinite geometric series.
1
20. S = 92, r ==
2
81
21. S =
320
-2
%3D
Transcribed Image Text:Find the first term of each infinite geometric series. 1 20. S = 92, r == 2 81 21. S = 320 -2 %3D
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