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Re: Resolve a function

• To: mathgroup at smc.vnet.net
• Subject: [mg89714] Re: Resolve a function
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Wed, 18 Jun 2008 06:42:11 -0400 (EDT)
• Organization: Uni Leipzig
• References: <g3agrf$pm7$1@smc.vnet.net>
• Reply-to: kuska at informatik.uni-leipzig.de

Hi,

Solve[f == 14.4*((2/Sqrt[r^2 + R^2]) - 1/r), r]

Regards
   Jens

maria wrote:
> Dear all,
> I am new with mathematica. I would be grateful if someone could tell
> me how can I find  the general solutions of the r for the following
> function f(r_) = 14.4* ((2/Sqrt[r^2 + R^2]) - 1/r )  (where
> R=constant). I just want to express the function as r =.....*f. Is
> this possible with mathematica.
> Thank you.
>