MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: exponential diophantine equations


Andrea wrote:
> I'm trying to find out how to use Mathematica to find solutions to
> exponential diophantine equations like the following:
>
>          (5x)^2 - 2^k * 3 * (5+k)^2 - 131 * k + 7 = 0.   I want to obtain
> solutions for x and k. (One solution is x = 31, k = 6, but I didn't find
> this using Mathematica!)
>

Hi Andrea

Have you typed out the equation incorrectly? For the equation you have
given x=31,k=6 gives 14 not 0

Mike


  • Prev by Date: Re: exponential diophantine equations
  • Next by Date: Re: Re: Types in Mathematica thread
  • Previous by thread: Re: exponential diophantine equations
  • Next by thread: Re: exponential diophantine equations