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Algebra · sequences

Geometric Sequence Term Formula

Finds the nth term of a geometric sequence.

aₙ = a₁rⁿ⁻¹

Variables

aₙ
nth term
a₁
first term
r
common ratio
n
term number

Reference details

Subject
Algebra
Topic
sequences
Plain text
a_n = a_1 r^(n-1)

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