Find the following: (a) Sum of the first 21 terms of the sequence: 5,9, 13, 17,...

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter12: Sequences, Series And Binomial Theorem
Section12.2: Arithmetic Sequences
Problem 12.29TI: Find the twenty-seventh term of a sequence where the first term is 7 and the common difference is 9.
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Fall2021 Week13_R X
Fall2021_Week13_Recitation_sums.pdf
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3. Find the following:
(a) Sum of the first 21 terms of the sequence: 5,9, 13, 17,...
(b) The sum of the first 15 terms of the sequences 7.-14, 28, -56, 112,.. .
4. Find the following:
Transcribed Image Text:Fall2021 Week13_R X Fall2021_Week13_Recitation_sums.pdf 2 / 2 100% 3. Find the following: (a) Sum of the first 21 terms of the sequence: 5,9, 13, 17,... (b) The sum of the first 15 terms of the sequences 7.-14, 28, -56, 112,.. . 4. Find the following:
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