breathingghost
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  • 15-02-2017
  • Mathematics
contestada

Describe the number and type of roots for the polynomial. (how many real and complex?)
x^3+5x^2-4x-2=0

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Аноним Аноним
  • 15-02-2017
this is a cubic equation  so it will have a total of three roots.
there is only one change of sign  so the equation will have one positive real  root.
The other 2 roots  will be negative  and might be real or complex
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