List questions from geometric-series

Published on 20 May 2020 - 23:44

60

Views

Root of nested geometric series

Published on 22 May 2020 - 7:05

54

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On $\sum_{x=0}^\infty x^n r^x$

Published on 25 May 2020 - 20:29

337

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To find the finite summation of negative binomial.

Published on 23 Feb 2026 - 10:04

33

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Series of ratios of sums of geometric terms

Published on 29 May 2020 - 17:54

121

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Sum $ \sum_{n=0}^{\infty}\frac{n}{n+1}x^{n} $

Published on 30 May 2020 - 8:59

151

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Geometric Series of Matrices when $I-A$ is singular

Published on 30 May 2020 - 18:17

56

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Can I prove convergence of and show the sum $\sum_{n=1}^{\infty} (z-1){z}^{n}$ where $|z|<1$ by assuming $z$ to be a complex number?

Published on 31 May 2020 - 5:00

86

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Random variables and geometric series

Published on 31 May 2020 - 16:14

130

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Fruit Tree Paradox: Sum of disjoint probabilities not equalling $1$

Published on 25 Mar 2026 - 18:56

118

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$1/(1-x)$ series: dividing by zero?

Published on 03 Jun 2020 - 6:31

32

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Finance, find annual deposit amount when FV, PV and n is known

Published on 04 Jun 2020 - 20:57

48

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Calculate the sum $\sum_{k=0}^{\infty} a^{\frac{k(k-1)}{2}}r^k$

Published on 05 Jun 2020 - 17:29

35

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Doubts about this summation (Geometric series)

Published on 12 Jun 2020 - 23:53

52

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Is there a way to simplify the infinite sum $\sum_{n=1}^∞\frac{a}{b^n}=\frac{a}{(\lvert b\rvert-1)\frac{1}{b}\lvert b\rvert}$?

Published on 21 Jun 2020 - 18:53

List Question

Convergence of two nested geometric sequences

Root of nested geometric series

On $\sum_{x=0}^\infty x^n r^x$

To find the finite summation of negative binomial.

Series of ratios of sums of geometric terms

Sum $ \sum_{n=0}^{\infty}\frac{n}{n+1}x^{n} $

Geometric Series of Matrices when $I-A$ is singular

Can I prove convergence of and show the sum $\sum_{n=1}^{\infty} (z-1){z}^{n}$ where $|z|<1$ by assuming $z$ to be a complex number?

Random variables and geometric series

Fruit Tree Paradox: Sum of disjoint probabilities not equalling $1$

$1/(1-x)$ series: dividing by zero?

Finance, find annual deposit amount when FV, PV and n is known

Calculate the sum $\sum_{k=0}^{\infty} a^{\frac{k(k-1)}{2}}r^k$

Doubts about this summation (Geometric series)

Is there a way to simplify the infinite sum $\sum_{n=1}^∞\frac{a}{b^n}=\frac{a}{(\lvert b\rvert-1)\frac{1}{b}\lvert b\rvert}$?

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