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Algebra · sequences

Arithmetic Sequence Term Formula

Finds the nth term of an arithmetic sequence.

aₙ = a₁ + (n − 1)d

Variables

aₙ
nth term
a₁
first term
n
term number
d
common difference

Reference details

Subject
Algebra
Topic
sequences
Plain text
a_n = a_1 + (n - 1)d

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