n arithmetic series is defined by the formula a = = 6n-3. What is the first term of the series? Write an expression for the sum of the first terms of the series.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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An arithmetic series is defined by the formula a₂ = 6n-3.
a) What is the first term of the series?
b) Write an expression for the sum of the first terms of the series.
Transcribed Image Text:An arithmetic series is defined by the formula a₂ = 6n-3. a) What is the first term of the series? b) Write an expression for the sum of the first terms of the series.
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Given query is to find first terms and the formula for sum of n terms.

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The equation is 6n-3, not 6n-1

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