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Lebl-Basic-Analysis-I
· Problem 2.5.2
Sequences and Series
Mathematics · geometric-series
Problem
Prove Proposition 2.5.5, that is, for
−
1
<
r
<
1
-1 < r < 1
−
1
<
r
<
1
, prove
∑
n
=
0
∞
r
n
=
1
1
−
r
.
\sum_{n=0}^{\infty} r^n = \frac{1}{1-r}.
n
=
0
∑
∞
r
n
=
1
−
r
1
.
*Hint: See Example 0.3.8.*
Related theory
Geometric Series Convergence
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