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#1 2012-10-19 17:21:39

bobbym
Administrator

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Quartic formula

For the general quartic:

You never see the 4 roots of a quartic given in terms of its coefficients. Here it is:



















The roots now are:








In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2 2012-10-20 05:15:39

anonimnystefy
Real Member

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Re: Quartic formula

It seems impractical to remember it, but it is a nice formula..


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#3 2012-10-20 10:38:11

bobbym
Administrator

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Re: Quartic formula

It is for reference only. There are numerical means that are superior. I just had fun with the derivation.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#4 2013-01-23 01:45:08

n872yt3r
Power Member

Offline

Re: Quartic formula

Quartic formula? I thought it was a quadratic formula. Or are they different? dunno


- n872yt3r
Math Is Fun Rocks! smile
By the power of the exponent, I square and cube you! cool
 

#5 2013-01-23 01:47:08

bobbym
Administrator

Online

Re: Quartic formula

Quartic formula is very different, see post #1.

The quadratic formula solves quadratics, the quartic, quartics.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#6 2013-01-23 04:05:34

n872yt3r
Power Member

Offline

Re: Quartic formula

Yup. That is way out of the range.


- n872yt3r
Math Is Fun Rocks! smile
By the power of the exponent, I square and cube you! cool
 

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