How Can I Fully Analyze a Sixth Order Algebraic Equation?

  • Context: Undergrad 
  • Thread starter Thread starter traianus
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Discussion Overview

The discussion revolves around analyzing a sixth order algebraic equation of the form x^6 + a*x^4 + b*x^2 + c = 0. Participants explore various aspects of the roots of this equation, including the possibility of coincident roots, distinct roots, and the presence of complex solutions.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant presents the equation and seeks a comprehensive analysis of its roots, including scenarios with coincident and complex roots.
  • Another participant suggests that the equation can be viewed as a monic cubic by substituting x^2 with y.
  • A different participant acknowledges the transformation to a cubic form and requests a detailed study of the cubic equation's roots.
  • One participant implies that a complete analysis involves studying cubic equations and then deriving the roots through square roots, while also referencing their own algebra book for further reading.

Areas of Agreement / Disagreement

Participants appear to agree on the transformation of the sixth order equation into a cubic form, but the discussion does not reach a consensus on the methods for fully analyzing the roots or the completeness of the proposed approaches.

Contextual Notes

The discussion does not resolve the specific conditions under which different types of roots occur, nor does it clarify the assumptions necessary for the transformations and analyses proposed.

traianus
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I have the following equation (a,b,c real coefficients):

x^6 + a*x^4 + b*x^2 + c = 0

How do I do a complete discussion? For example I would like to know if there are six coincident roots, 2 triple roots, distint roots, a pair of complex solution and 4 real coincident solutions and so on.
 
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Well for starters that is just a monic cubic in disguise :)
 
I have noticed it. It can be transformed in the form of a cubic equation (it is sufficient to replace x^2 with y). But I would like if somebody does the complete study in detail.
 
well that means do a complete study of cubics and then take square roots of all the roots. i am sure you can do this. or read my algebra book on my website.
 

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