Find the 30th term of the arithmetic series 2, 5, 8, …

Corbin Bradford 2022-09-26 Answered
Find the 30th term of the arithmetic series 2, 5, 8, …
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Answers (1)

Jane Acosta
Answered 2022-09-27 Author has 14 answers
Given: arithmetic series 2,5,8
arithmetic series have the form: a n = a 1 + ( n - 1 ) d
d= the common difference
d = a 2 - a 1 = a 3 - a 2 = 8 - 5 = 3
a n = 2 + 3 ( n - 1 )
To find the 30th term, let n=30:
a 30 = 2 + 3 ( 30 - 1 ) = 2 + 3 ( 29 ) = 2 + 87 = 89
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