nirupokhrel82 nirupokhrel82
  • 05-05-2017
  • Mathematics
contestada

How many sign changes are in the polynomial f(x) = 3x3 - 7x2 - 9x + 1

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Lupafel
Lupafel Lupafel
  • 05-05-2017
2. All you need to do is count how many times the negative or positive sign changes in the equation
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