Answered: Find a formula an for the nth term of…

Find a formula an for the nth term of the arithmetic sequence whose first term is a1 = −7 such that an − 1 − an = 8 for n ≥ 1. an =

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.2: Arithmetic Sequences And Partial Sums

Problem 2ECP: Find a formula for the nth term of the arithmetic sequence whose common difference is 5 and whose...

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Question

Find a formula

a_n

for the nth term of the arithmetic sequence whose first term is

a₁ = −7

such that

a_{n − 1} − a_n = 8

for

n ≥ 1.

a_n =

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