x*-4x+y*+6y+(根号z-2)+13=0,求(xy)z *为2

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x*-4x+y*+6y+(根号z-2)+13=0,求(xy)z *为2
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x*-4x+y*+6y+(根号z-2)+13=0,求(xy)z *为2
x*-4x+y*+6y+(根号z-2)+13=0,求(xy)z *为2

x*-4x+y*+6y+(根号z-2)+13=0,求(xy)z *为2
(x-2)²+(y+3)²+√(z-2)=0
则x=2,y=-3,z=2
xyz=-12

x^2-4x+y^2+6y+(√z-2)+13=0,求(xy)z *为2
x^2-4x+4 +y^2+6y+9+(√z-2)+13-13=0,
(x-2)^2+(y+3)^2+√z-2=0
x=2,y=-3,z=4