Ответ:
О(3;1;-2)
r=4
x^2-6x+9+y^2-2y+1+z^2+4z-16=0
(x-3)^2+(y-1)^2+(z+2)^2=16
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Ответ:
О(3;1;-2)
r=4
x^2-6x+9+y^2-2y+1+z^2+4z-16=0
(x-3)^2+(y-1)^2+(z+2)^2=16