< Geometrische Reihe < Reell
Die geometrische Reihe
Für jedes
x
∈
R
{\displaystyle {}x\in \mathbb {R} }
heißt die
Reihe
∑
k
=
0
∞
x
k
{\displaystyle \sum _{k=0}^{\infty }x^{k}}
die
geometrische Reihe
in
x
{\displaystyle {}x}
.
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