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Topic: Cannot solve very simple equation.
Replies: 9   Last Post: Dec 20, 2009 6:51 AM

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LBoogie

Posts: 10
Registered: 3/15/07
Re: Cannot solve very simple equation.
Posted: Dec 17, 2009 7:29 AM
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On Dec 16, 6:22 am, negatron <lokieff...@gmail.com> wrote:
> NSolve[x^2 + 1 == 2^x]
>
> "Solve::tdep: "\!\(\*
> StyleBox[\"\\\"The equations appear to involve the variables to be
> solved for in an essentially non-algebraic way.\\\"\", \"MT\"]\) ""
>
> Am I forgetting something trivial here?


Try

FindRoot[x^2 + 1 == 2^x, {x, .1}]




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