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Topic: Was the Cardano formula for cubic equations refuted recently?
Replies: 13   Last Post: Sep 30, 2017 10:32 AM

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Karl-Olav Nyberg

Posts: 1,520
Registered: 12/6/04
Re: Was the Cardano formula for cubic equations refuted recently?
Posted: Sep 30, 2017 6:59 AM
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lørdag 30. september 2017 12.49.32 UTC+2 skrev konyberg følgende:
> torsdag 11. mai 2017 20.30.05 UTC+2 skrev bassam king karzeddin følgende:
> > Was the Cardano famous formula discovered in (1545) in mathematics for solutions of cubic polynomials roots refuted so easily recently? wonder!
> >
> > Regards
> > Bassam King Karzeddin
> > 11 May 2017

>
> How is it refuted
> ax^3 + bx^2 + cx + d = 0
>
> Solution:
> If you have access to Karl Rottmann: Mathematical formulas. Done!
> b
> KON


It is not refuted. It can, and always be done.
The first, second, cubic and the quantic equations is solvable. You know this!
Still you hesitate to acknowledge it.
Why?
KON



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