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
an
for the nth term of the arithmetic sequence whose first term is
a1 = −6
such that
an − 1 − an = 9
for
n ≥ 1.
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