Question

Resolva em c cada equação x2-2×+2=0

Answer 1

Δ$= (-2)^{2} - 4.1.2 = 4 - 8 = -4$
$x = \frac{2 +- \sqrt{-4} }{2}$
$x_{1} = \frac{2 + 4i}{2}$
$x_{2} = \frac{2 - 4i}{2}$
$S = ( \frac{2 + 4i}{2} , \frac{2 - 4i}{2} )$