Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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#18 only
Transcribed Image Text:Summation Formulas:
2(a pk-1) =:
1.
Geometric Series
|r|< 1
k=1
Arithmetic Series
Sn =5 (a, + an)
2.
n
п(п + 1)
k =
п(п + 1)(2n + 1)
k2 =
3.
4.
2
k=1
k=1
For #17-21, find the sum of the given series. If the qeometric series diverges, state this.
3
Σ
17.
(5k – 240)
k=1
140
18.
> (4k? – 10k + 25)
k=1
19.
Arithmetic Series:
31 + 39 + 47 + 55 + ...+ 575
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