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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F09af1c01-6e60-4588-9390-2a0cbfc62f20%2Fba97c759-af87-4833-9c02-df72ae62c98a%2Fej0ixq_processed.jpeg&w=3840&q=75)
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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