Respuesta:
[tex]f(x) = x2 - 2 \\ sustituy \: f \: (x) = 0 \\ 0 \: x2 - 2 \\ - x2 - 2 \\ x2 = 2 \\ x = + \sqrt{2 \: \: } \: \: \\ x = - \sqrt{2 \: \: } \: \: \: \\ x = \sqrt{2} \: \: \: solucion \: \\ xi = - \sqrt{2} \: \: \: .x2 = \sqrt{2} [/tex]
espero haberte ayudado
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Respuesta:
[tex]f(x) = x2 - 2 \\ sustituy \: f \: (x) = 0 \\ 0 \: x2 - 2 \\ - x2 - 2 \\ x2 = 2 \\ x = + \sqrt{2 \: \: } \: \: \\ x = - \sqrt{2 \: \: } \: \: \: \\ x = \sqrt{2} \: \: \: solucion \: \\ xi = - \sqrt{2} \: \: \: .x2 = \sqrt{2} [/tex]
espero haberte ayudado