List questions from geometric-progressions

Published on 22 Dec 2017 - 13:15

36

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Payments made out in even daily intervals, increasing .69%, for 365 days with the first payment one day, next two days, etc

Published on 23 Dec 2017 - 4:14

2.1k

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relation between am, gm and hm

Published on 31 Dec 2017 - 5:02

64

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What is the generalized formula for the sum of the series represented by $\sum_{i=0}^ {\log_2 (n)-1} (2^i\cdot i)$?

Published on 01 Jan 2018 - 6:53

601

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geometric progression and pythagorian triples

Published on 04 Jan 2018 - 22:52

157

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General formula for a sequence for which the differences follow a geometric progression

Published on 05 Jan 2018 - 13:42

61

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Estimation of geometric sum

Published on 06 Jan 2018 - 17:13

244

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Convergence of a series and respective sum: $\sum_{n\geq0} ({\frac{2}{3}})^{2n-1}$

Published on 01 Nov 2010 - 18:01

23k

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Proof of the formula $1+x+x^2+x^3+ \cdots +x^n =\frac{x^{n+1}-1}{x-1}$

Published on 24 Nov 2010 - 14:56

183

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Sum of series $2^{2m}$

Published on 05 Jan 2011 - 17:13

281

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Regarding a proof involving geometric series

Published on 10 Mar 2011 - 17:57

102.5k

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Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$

Published on 24 Feb 2026 - 3:33

2.7k

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Continued proportion implies $(a^2+b^2+c^2)(b^2+c^2+d^2)=(ab+bc+cd)^2$

Published on 08 Jun 2011 - 18:15

1.1k

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Problem about sum of arithemtic progression and geometric progression

Published on 08 Oct 2011 - 7:45

258

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The sum of powers of $2$ between $2^0$ and $2^n$

Published on 29 Nov 2011 - 21:16

List Question

Progression arithmetic/geometric

Payments made out in even daily intervals, increasing .69%, for 365 days with the first payment one day, next two days, etc

relation between am, gm and hm

What is the generalized formula for the sum of the series represented by $\sum_{i=0}^ {\log_2 (n)-1} (2^i\cdot i)$?

geometric progression and pythagorian triples

General formula for a sequence for which the differences follow a geometric progression

Estimation of geometric sum

Convergence of a series and respective sum: $\sum_{n\geq0} ({\frac{2}{3}})^{2n-1}$

Proof of the formula $1+x+x^2+x^3+ \cdots +x^n =\frac{x^{n+1}-1}{x-1}$

Sum of series $2^{2m}$

Regarding a proof involving geometric series

Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$

Continued proportion implies $(a^2+b^2+c^2)(b^2+c^2+d^2)=(ab+bc+cd)^2$

Problem about sum of arithemtic progression and geometric progression

The sum of powers of $2$ between $2^0$ and $2^n$

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