Kathie147 Kathie147
  • 21-07-2014
  • Mathematics
contestada

Calculate the discriminant.

x2 – x – 2 = 0

Respuesta :

konrad509
konrad509 konrad509
  • 21-07-2014
[tex]\Delta=(-1)^2-4\cdot1\cdot(-2)=1+8=9[/tex]
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