danyelizabeth14 danyelizabeth14

12-05-2014
Mathematics

contestada

Calculate the discriminant.

x2 – 2x + 4 = 0

  20
      12
    –12
      0

Respuesta :

12-05-2014

[tex]x^2 - 2x + 4 = 0 \\ \\\Delta =b^2-4ac =(-2)^2-4*1*4=4-16=-12[/tex]

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