Write the sum 5 + 15 + 45+ + 1215 using sigma notation. ... a1(1 – r") - Then evaluate the sum using the formula Sn 1 - r Σ n =

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 11E
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Write the sum 5 + 15 + 45+
+ 1215 using sigma notation.
a1(1 – r")
Then evaluate the sum using the formula Sn
1 – r
= U
Transcribed Image Text:Write the sum 5 + 15 + 45+ + 1215 using sigma notation. a1(1 – r") Then evaluate the sum using the formula Sn 1 – r = U
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