Question

How to calculate the value of $\sum\limits_{k=0}^{\infty}\frac{1}{(3k+1)\cdot(3k+2)\cdot(3k+3)}$?

score 277 · Answer 1 · 2026-03-25 16:40:14

277

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How to calculate the value of $\sum\limits_{k=0}^{\infty}\frac{1}{(3k+1)\cdot(3k+2)\cdot(3k+3)}$?

Published on 25 Mar 2026 - 16:40

score 71 · Answer 2 · 2026-03-29 17:24:47

71

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How to solve this set of equations with definite integrals?

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score 18 · Answer 3 · 2026-03-23 11:26:57

18

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Lower cumulative of a beta distribution

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score 658 · Answer 4 · 2026-04-09 01:56:42

658

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A surprising dilogarithm integral identity arising from a generalised point enclosure problem

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score 247 · Answer 5 · 2026-04-10 11:11:35

247

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Riemann Sums in Work Questions

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score 418 · Answer 6 · 2026-03-25 11:10:41

418

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score 81 · Answer 7 · 2026-04-10 11:20:07

81

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How to solve this challenging integral?

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score 96 · Answer 8 · 2026-03-25 06:22:52

96

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Complex integral $\int^{2\pi}_0 e^{i\tan^{-1}\frac{r\sin(t-t_0)}{1+r\cos(t-t_0)}-i\tan^{-1}\frac{1-r \cos( t-t_0)}{r\sin(t-t_0)}}dt$

Published on 25 Mar 2026 - 6:22

score 157 · Answer 9 · 2026-04-10 10:02:06

157

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Integral Proof Challenge

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score 180 · Answer 10 · 2026-04-09 11:43:31

180

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Simplify $\int\limits_{-\infty}^X\exp[-(Ae^x+Bx+Cx^2)]\mathrm dx$ and $\sum\limits_{n=0}^\infty\frac{(-A)^n}{n!}e^{Dn^2-Kn}$

Published on 09 Apr 2026 - 11:43

score 168 · Answer 11 · 2018-02-12 08:58:33

168

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Finding $\int^{\pi}_{0}f^{-1}(x)\,\mathrm dx$

Published on 12 Feb 2018 - 8:58

score 83 · Answer 12 · 2026-04-10 10:24:50

83

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Integral finding without "traditional" ways calculating

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score 712 · Answer 13 · 2018-02-12 13:02:33

712

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Finding $\int_{-2}^8xf(x)dx$ given $\int_{-2}^8f(x)dx$

Published on 12 Feb 2018 - 13:02

score 27 · Answer 14 · 2026-04-10 19:35:23

27

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Understanding the Price Equation for a First order approximation of MBS value

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score 276 · Answer 15 · 2026-04-10 17:21:35

276

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Leading behavior of an integral

Published on 10 Apr 2026 - 17:21

List Question

How to calculate the value of $\sum\limits_{k=0}^{\infty}\frac{1}{(3k+1)\cdot(3k+2)\cdot(3k+3)}$?

How to solve this set of equations with definite integrals?

Lower cumulative of a beta distribution

A surprising dilogarithm integral identity arising from a generalised point enclosure problem

Riemann Sums in Work Questions

To find definite integral using differentiation under integral sign

How to solve this challenging integral?

Complex integral $\int^{2\pi}_0 e^{i\tan^{-1}\frac{r\sin(t-t_0)}{1+r\cos(t-t_0)}-i\tan^{-1}\frac{1-r \cos( t-t_0)}{r\sin(t-t_0)}}dt$

Integral Proof Challenge

Simplify $\int\limits_{-\infty}^X\exp[-(Ae^x+Bx+Cx^2)]\mathrm dx$ and $\sum\limits_{n=0}^\infty\frac{(-A)^n}{n!}e^{Dn^2-Kn}$

Finding $\int^{\pi}_{0}f^{-1}(x)\,\mathrm dx$

Integral finding without "traditional" ways calculating

Finding $\int_{-2}^8xf(x)dx$ given $\int_{-2}^8f(x)dx$

Understanding the Price Equation for a First order approximation of MBS value

Leading behavior of an integral

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