Re: Solving equation and applying solution(s) expression.
- To: mathgroup at smc.vnet.net
- Subject: [mg84546] Re: Solving equation and applying solution(s) expression.
- From: DrMajorBob <drmajorbob at bigfoot.com>
- Date: Thu, 3 Jan 2008 20:24:35 -0500 (EST)
- References: <22010742.1199358196527.JavaMail.root@m08>
- Reply-to: drmajorbob at bigfoot.com
3 x/(x^3 + 2) /. Solve[3 x^2 - 2 x + 8 == 0] // Simplify
{-((27 (\[ImaginaryI] + Sqrt[23]))/(
14 \[ImaginaryI] + 20 Sqrt[23])), (27 (-\[ImaginaryI] + Sqrt[23]))/(
14 \[ImaginaryI] - 20 Sqrt[23])}
Bobby
On Thu, 03 Jan 2008 04:31:03 -0600, KP <MathematicaUser at gmail.com> wrote=
:
> Hi Everybody. I am a new subscriber to this group and looking forward
> to learning from folks who use Mathematica. I have a question and some=
> help will be appreciated.....
>
> I want to solve an equation and then apply the solution(s) of the
> equation to an expression. For example, I want to solve 3 x^2 - 2 x +=
> 8 =0. Then I want to apply the solutions to the expression 3 x / (x=
^3
> +2).
>
> The equation and the expression above are examples I used to
> illustrate my question. Please use the equation and the expression to
> help me out. Thank you and happy new year!
>
> --KP
>
>
-- =
DrMajorBob at bigfoot.com