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cardan

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A cubic equation 2016-07-25
From Chinmay:
x-2x-7x+5
Answered by Penny Nom.
x^3-6x^2+3x+5=0 2008-05-22
From faiz:
x3-6x2+3x+5=0
Answered by Janice Cotcher and Harley Weston.
A 16th century mathematician 2000-02-04
From Danielle Dombrowski:
My name is Danielle Dombrowski, I am in the 7th grade and my teacher gave us a riddle to figure out which mathemtician we would have to do a report on. The only problem is that I don't know what the answer is. Can you help? The riddle is

"This 16th century mathematician, having predicted the day of his death, took poison to make sure it came true. Who is it?"


Answered by Penny Nom.
Question about 3rd degree polynomials 1999-04-23
From Patrick Bryan:
What is the general solution to the equation with the form:

a*x^3 + b*x^2 + c*x + d = 0

I have once seen a solution to this a few years ago, but I do not recall if it was a general solution. What I do know, is that you could simplify this equation to:

a*x'^3 + p*x' + q = 0...
Answered by Doug Farenick.

Cardano's method 1996-03-11
From Mike Gorski:
What is Cardano's method for finding the roots of a cubic equation?
Answered by Harley Weston.
 
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