List questions from geometric-progressions

Published on 25 Mar 2026 - 22:01

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All AP of natural numbers starting $3$ which has a $3$ digit sum whose digits are in non constant GP t

Published on 16 Apr 2026 - 7:26

87

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Geometric series in proof of Stirling's Formula

Published on 26 Mar 2026 - 1:10

136

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Geometric Series to approximate power series expansion

Published on 25 Mar 2026 - 22:03

55

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Geometric Sum Formula

Published on 09 Apr 2026 - 0:04

145

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Finding K value?

Published on 08 Apr 2026 - 21:14

216

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Trigonometry of geometric and arithmetic progressions

Published on 26 Mar 2026 - 1:02

80

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Find the common ratio of the progression.

Published on 13 Apr 2026 - 10:36

39

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Is there a closed formula for the sum of a geometric progression with binomial coefficients?

Published on 11 Apr 2026 - 12:55

299

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Question on probability, please help me understand the intuition behind it

Published on 13 Apr 2026 - 0:41

165

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Showing that $a$, $b$, $c$, $d$ are in geometric progression iff $(a^2+b^2+c^2)(b^2+c^2+d^2)=(ab+bc+cd)^2$

Published on 15 Apr 2026 - 8:19

523

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Weighted sum with geometric decreasing weights

Published on 10 Apr 2026 - 22:27

145

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Geometric sequence problem including sum of the numbers

Published on 26 Mar 2026 - 1:07

41

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If $n \in \mathbb N$, find $\sum(-1)^r \binom{n}{r}\left(\frac {1} {2^r}+\frac {3^r} {2^{2r}}+\frac {7^r} {2^{3r}} + \cdots \text{m terms}\right)$

Published on 25 Mar 2026 - 23:42

73

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What's the name for sequences sitting between geometric and arithmetic, i.e. whose recurrence relation is of the form $ax+b$?

Published on 07 Apr 2026 - 3:07

List Question

Infinite Harmonic Progression

All AP of natural numbers starting $3$ which has a $3$ digit sum whose digits are in non constant GP t

Geometric series in proof of Stirling's Formula

Geometric Series to approximate power series expansion

Geometric Sum Formula

Finding K value?

Trigonometry of geometric and arithmetic progressions

Find the common ratio of the progression.

Is there a closed formula for the sum of a geometric progression with binomial coefficients?

Question on probability, please help me understand the intuition behind it

Showing that $a$, $b$, $c$, $d$ are in geometric progression iff $(a^2+b^2+c^2)(b^2+c^2+d^2)=(ab+bc+cd)^2$

Weighted sum with geometric decreasing weights

Geometric sequence problem including sum of the numbers

If $n \in \mathbb N$, find $\sum(-1)^r \binom{n}{r}\left(\frac {1} {2^r}+\frac {3^r} {2^{2r}}+\frac {7^r} {2^{3r}} + \cdots \text{m terms}\right)$

What's the name for sequences sitting between geometric and arithmetic, i.e. whose recurrence relation is of the form $ax+b$?

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