Formula
an
n-th term
a
initial value
r
common ratio
n
total number
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n-th term of a geometric sequence or geometric progression with initial value and common ratio
Formula description
In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non-zero number called the common ratio. The sum of the terms of a geometric progression is known as a geometric series.
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