Definition:Geometric Sequence/Scale Factor

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Definition

Let $\sequence {x_n}$ be a geometric sequence in $\R$ defined as:

$x_n = a r^n$ for $n = 0, 1, 2, 3, \ldots$


The parameter:

$a \in \R: a \ne 0$

is called the scale factor of $\sequence {x_n}$.