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Solución de sistemas de ecuaciones/ xy=-8; x+y

xy=-8; x+y

v

Gráfico:

interior superior

interior superior

Solución

Ha introducido [src] 
x*y = -8
xy=−8x y = -8 
x + y = 0
x+y=0x + y = 0 
x + y = 0
Respuesta rápida
x1=−22x_{1} = - 2 \sqrt{2}
=
−22- 2 \sqrt{2}
=
-2.82842712474619

y1=22y_{1} = 2 \sqrt{2}
=
222 \sqrt{2}
=
2.82842712474619
x2=22x_{2} = 2 \sqrt{2}
=
222 \sqrt{2}
=
2.82842712474619

y2=−22y_{2} = - 2 \sqrt{2}
=
−22- 2 \sqrt{2}
=
-2.82842712474619
Respuesta numérica [src] 
x1 = 2.82842712474619
y1 = -2.82842712474619
x2 = -2.82842712474619
y2 = 2.82842712474619
x2 = -2.82842712474619
y2 = 2.82842712474619
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