List questions from geometric-series

Published on 13 Feb 2016 - 20:55

167

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Check if it is a geometric random variable

Published on 22 Feb 2016 - 6:01

1.8k

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The second term of a geometric sequence is $48$ and the fourth term is $3$, find $r$

Published on 22 Feb 2016 - 15:31

1.5k

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Can an alternating series be thought of as a geometric series?

Published on 26 Feb 2016 - 2:12

287

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Can I write $\sum_{n=1}^N x^n$ as $\sum_{n=1}^N x\cdot x^{n-1}$ and then apply the geometric series formula for sum of first $n$ terms with $a=x$?

Published on 07 Mar 2016 - 7:48

49

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Determining a complex function represented as a series

Published on 08 Mar 2016 - 0:24

886

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$3$-adic expansion of $- \frac{9}{16}$

Published on 11 Mar 2016 - 17:25

2.3k

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What happens to the Radius of Convergence of a Geometric Series when you take its anti-derivative?

Published on 19 Mar 2016 - 23:56

100

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A series whose terms are the products of terms of a geometric and a power series

Published on 22 Mar 2016 - 17:33

108

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Last Digit of $x^0 + x^1 + x^2 + \cdots + x^{p-1} + x^p$

Published on 03 Apr 2016 - 19:07

1.7k

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Sum of $k^2*x^k$

Published on 27 Mar 2026 - 22:11

88

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Prove that if $\|A\|<1$, then $\|(I-A)^{-1}\|\geq {1\over1+\|A\|}$.

Published on 02 May 2016 - 2:49

1.7k

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Average discounted payoffs after T periods formula.

Published on 09 May 2016 - 1:59

186

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Why is the infinite series of 0^n divergent?

Published on 27 Mar 2026 - 7:18

424

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Sum of powers for a non integer

Published on 02 Jun 2016 - 18:10

List Question

Representing geometric series as sum of binomial coefficients

Check if it is a geometric random variable

The second term of a geometric sequence is $48$ and the fourth term is $3$, find $r$

Can an alternating series be thought of as a geometric series?

Can I write $\sum_{n=1}^N x^n$ as $\sum_{n=1}^N x\cdot x^{n-1}$ and then apply the geometric series formula for sum of first $n$ terms with $a=x$?

Determining a complex function represented as a series

$3$-adic expansion of $- \frac{9}{16}$

What happens to the Radius of Convergence of a Geometric Series when you take its anti-derivative?

A series whose terms are the products of terms of a geometric and a power series

Last Digit of $x^0 + x^1 + x^2 + \cdots + x^{p-1} + x^p$

Sum of $k^2*x^k$

Prove that if $\|A\|<1$, then $\|(I-A)^{-1}\|\geq {1\over1+\|A\|}$.

Average discounted payoffs after T periods formula.

Why is the infinite series of 0^n divergent?

Sum of powers for a non integer

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