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Re: Possible bug concerning a limit computation


Version 5.2 gets positive 9.2.

Gerry F.

geo_topos wrote:

>Hello everyone,
>I don't know if this is the right place to post this, but here it goes.
>I am a high-school math teacher from greece. I was working with my
>students on the limit:
>
>Limit[ (Sqrt[7x^4+6x+5] - Sqrt[7x^4+3x+3]) * Sqrt[63x^2-5x+20, x->
>Infinity]
>
>The result we got for that is 9/2. Mathematica 4.0 will produce the
>opposite result: -9/2.
>If anyone is interested on the way we calculated this limit, please
>e-mail me and I will be more than happy to send you a copy of our
>computation, since it would take me ages to type this in ASCII and
>furthermore it would be, at least, annoying to the viewer.
>
>Excuse my rusty english, best regards
>Kostas Raptis
>
>
>  
>


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