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15-02-2017
Mathematics

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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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