🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: can.schoolnet.math.sr
Article #787

Re: Certain p-series...

#787
From: Hugh Alan Grant
Date: Thu, 14 Dec 1995 00:00
21 lines
1173 bytes
On Thu, 14 Dec 1995, Wassup star? wrote:

> In article <Pine.SOL.3.91.951213220438.26087B-100000@mira.cc.umanitoba.ca> you wrote:
> :  1 + 1/4 + 1/9 + 1/16 + ... + 1/(n^2)+ ... = ((pi)^2)/6,
> 
> This looks like two geometric series in one.
> (1 + 1/9 + ...)+(1/4 + 1/16 + 1/(n^2)) = ((pi)^2)/6
> 
> You can sum each series with the formula Sn = (a((r^n) - 1))/(r-1)
> 
> -- rl
> Ronald Low, ronl@io.org
> 

	But they aren't geometric series, because each term is not a 
multiple of the previous term.  This can be seen if you just extend the 
series a little more:

1 + 1/4 + 1/9 + 1/16 + 1/25 + 1/36 + 1/49 + 1/64 + 1/81 + ...

Hugh Grant
Technical Details
Message-ID: <Pine.SOL.3.91.951214113513.3667A-100000@castor.cc.umanitoba.ca>
Path: arc1-ca.pugleaf.net!unknown!not-for-mail
References: <199512141344.IAA29188@twirl.io.org>

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: f7972,e1973af0638960
X-Google-Attributes: gidf7972,public
From: Hugh Alan Grant <umgran22@CC.UManitoba.CA>
Subject: Re: Certain p-series...
Date: 1995/12/14
Message-ID: <Pine.SOL.3.91.951214113513.3667A-100000@castor.cc.umanitoba.ca>
X-Deja-AN: 121822694
references: <199512141344.IAA29188@twirl.io.org>
content-type: TEXT/PLAIN; charset=US-ASCII
organization: The University of Manitoba
mime-version: 1.0
newsgroups: can.schoolnet.math.sr