Anekathen to 2.5 htan anamesa tou 1 kai 2 (Re: Ena vivlio gia

[Achilleas Kotsis]

On Sat, 19 Dec 1998, John Galanomatis wrote:

> 1.5 = 2.5 kai malista poly efkola.
> Estw x = y != 0
> x^2 = y^2 }  =>      x^2 - y^2 = 0 }     =>  (x+y)*(x-y)=0  }   =>
> x^2= x*y  }          x^2 - x*y = 0 }          x*(x-y)=0     }
> 
> =>   (x+y)*(x-y)=x*(x-y)    =>
> 
>       (x+y)*(x-y)      x*(x-y)
> =>   ------------  =  ---------  =>    (x+y) * 1 = x * 1   =>
>          (x-y)          (x-y)

Afou exeis x=y => x-y=0 ara h diairesh pou kaneis einai ligo lame :)

---
Achilleas Kotsis (Achille on IRC)
http://www.darkness.gr/~achille/
achille at nyx.gr

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