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 2 years ago
ow could you use Descartes' rule and the Fundamental Theorem of Algebra to predict the number of complex roots to a polynomial as well as find the number of possible positive and negative real roots to a polynomial?
 2 years ago
ow could you use Descartes' rule and the Fundamental Theorem of Algebra to predict the number of complex roots to a polynomial as well as find the number of possible positive and negative real roots to a polynomial?

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RONNCC
 2 years ago
Best ResponseYou've already chosen the best response.0descartes rule tells you the number of possible positive / negative roots (an upper bound) not the exact amount..

RONNCC
 2 years ago
Best ResponseYou've already chosen the best response.0fundamental thm. says " every nonconstant singlevariable polynomial with complex coefficients has at least one complex root."  http://en.wikipedia.org/wiki/Fundamental_theorem_of_algebra

puppy33
 2 years ago
Best ResponseYou've already chosen the best response.0what could be a good example of that ?

RONNCC
 2 years ago
Best ResponseYou've already chosen the best response.0it just says number. so I refer you to the wonderful examples on the wikipedia pages :)
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