List questions from geometric-series

Published on 02 Dec 2020 - 21:48

72

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Closed-form solution to an infinite series?

Published on 03 Dec 2020 - 2:21

317

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Find $\mathbb{E}[X(X-1)]$ for the geometric distribution without using derivation

Published on 04 Dec 2020 - 1:57

271

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Is it possible to combine an arithmetic an geometric sequence, but first adding and then multiplying?

Published on 04 Dec 2020 - 10:08

343

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Solving finite and infinite nested square roots of 2 - yet another interesting approach

Published on 06 Dec 2020 - 18:10

56

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Evaluating $\sum_{k=0}^{m-1}\left(e^{-2\pi in/m}\right)^k$

Published on 08 Dec 2020 - 11:54

528

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Basic Geometric Series Question-Stuck

Published on 08 Dec 2020 - 18:11

100

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Mistake converting $2.3151515...$ to a fraction?

Published on 14 Dec 2020 - 1:39

137

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Tricky mortgage rate question

Published on 14 Dec 2020 - 16:12

49

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The series $1 + v^2 + v^4 + v^6 + v^8 + ...$ is gamma squared

Published on 20 Dec 2020 - 18:57

146

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Triple summation verification $\sum_{1\le i\lt j\lt k}\frac{1}{2^i3^j5^k}$

Published on 24 Dec 2020 - 15:47

206

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Distribution of range of N geometric random variables

Published on 27 Mar 2026 - 7:35

67

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Find variables from a multiplication of geometric sequences

Published on 04 Jan 2021 - 6:54

40

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Is ${s_n} = \sum\limits_{i = 1}^n {\dfrac{1}{{{3^{i - 1}}}}} = \dfrac{3}{2}\left( {1 - \dfrac{1}{{{3^n}}}} \right)$?

Published on 05 Jan 2021 - 7:16

285

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Find the numbers $a,b,c,d$ in a geometric sequence, knowing that $a+1$, $b+6$, $c+6$, $d-4$ are in an arithmetic sequence

Published on 06 Jan 2021 - 16:56

List Question

Finding the Sum of a Geometric Series in Finance

Closed-form solution to an infinite series?

Find $\mathbb{E}[X(X-1)]$ for the geometric distribution without using derivation

Is it possible to combine an arithmetic an geometric sequence, but first adding and then multiplying?

Solving finite and infinite nested square roots of 2 - yet another interesting approach

Evaluating $\sum_{k=0}^{m-1}\left(e^{-2\pi in/m}\right)^k$

Basic Geometric Series Question-Stuck

Mistake converting $2.3151515...$ to a fraction?

Tricky mortgage rate question

The series $1 + v^2 + v^4 + v^6 + v^8 + ...$ is gamma squared

Triple summation verification $\sum_{1\le i\lt j\lt k}\frac{1}{2^i3^j5^k}$

Distribution of range of N geometric random variables

Find variables from a multiplication of geometric sequences

Is ${s_n} = \sum\limits_{i = 1}^n {\dfrac{1}{{{3^{i - 1}}}}} = \dfrac{3}{2}\left( {1 - \dfrac{1}{{{3^n}}}} \right)$?

Find the numbers $a,b,c,d$ in a geometric sequence, knowing that $a+1$, $b+6$, $c+6$, $d-4$ are in an arithmetic sequence

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