Hello.. I'm not sure whether this should be posted under here:

What is the standard method to solve for the following equation:

without using software.

Thanks!

Printable View

- April 15th 2009, 11:59 PMnoob mathematiciansolving equation
Hello.. I'm not sure whether this should be posted under here:

What is the standard method to solve for the following equation:

without using software.

Thanks! - April 16th 2009, 12:09 AMADARSH
Follow this.

http://en.wikipedia.org/wiki/Quartic_equation - April 16th 2009, 12:13 AMTwig
Are you sure itīs not supposed to be

That would simplify things.. - April 16th 2009, 12:38 AMnoob mathematician
That's the equation.. Thanks for the link too.. but it's so difficult.. wondering anyone with the software can help me with the 4 roots?

- April 16th 2009, 01:51 AMTwig
hi

Did u mean its supposed to be an term?

In this case:

let

Giving us:

Which can be written:

Solving gives:

But we have , so two solutions are:

You will also get two imaginary roots, but I donīt write them out here...

Btw: If you DID mean , Mathematica gives me a HORRIBLE answer...