Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

bobbym
2012-10-21 07:32:14

Or one even nastier than that.

http://www.mathisfunforum.com/viewtopic … 00#p198900

See post#6.

bob bundy
2012-10-20 19:53:55
zetafunc.
2012-10-20 19:45:15

It would be helpful to remember but you're unlikely to use it very often. Try to find the first by inspection (or iteration if you have a calculator), then determine the quadratic factor from there.

bobbym
2012-10-20 19:34:50

Hi Harold;

Yes, there is a formula but no one ever uses it.

Harold
2012-10-20 18:49:48

How do i solve a equation of this form ax^3+bx^2+cx+d=0 is there a formula?please explain

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