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Find a formula for the n th term, T n , of the following arithmetic sequence: 5 , 13 , 21 , 29 , . . .

Find a formula for the n th term, T n , of the following arithmetic sequence: 5 , 13 , 21 , 29 , . . .
asked 90.7k views
21 votes
Find a formula for the

n
th term,
T
n
, of the following arithmetic sequence:
5
,
13
,
21
,
29
,
.
.
.

asked
User Henry Woody
by
7.9k points

1 Answer

11 votes

Tn=a+(n-1)d

Tn=5+(n-1)(8)

Tn =5+8n-8

Tn=8n-3

answered
User Donpedro
by
8.1k points
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