Solving 4th order quartic eqns??

deathscythe99

23 Apr 07, 12:27

Anyone can help me solve? I need a general way to solve the following quartic equation (not using computers)

Ax^4 + Bx^2 + Cx + D = 0

Where A,B,C,D are all numbers.

Thanks in advance Mr. Green

^tamago^

23 Apr 07, 12:29

http://en.wikipedia.org/wiki/Quartic_equation

deathscythe99

23 Apr 07, 12:32

Checked that out le...

Was looking to see if there's any more simpler and more refined method to deal with quartic equations.

They sux, and I get a measly 3 marks to solve the question Rolling Eyes

ditzy

23 Apr 07, 12:44

1 mark for answer, the rest for working. Laughing

the.owl

23 Apr 07, 14:57

Originally posted by deathscythe99:
Anyone can help me solve? I need a general way to solve the following quartic equation (not using computers)

Ax^4 + Bx^2 + Cx + D = 0

Where A,B,C,D are all numbers.

Thanks in advance

use long division or the other division method...forgot what its called...

soulwinner

23 Apr 07, 15:02

Very difficult... Very Happy

deathscythe99

23 Apr 07, 15:07

I'll just use...trial and error Rolling Eyes

Ok I found some numerical method iteration... Laughing

798

23 Apr 07, 17:49

Originally posted by the.owl:
use long division or the other division method...forgot what its called...

remainder theory?