$(x-1)^2 + (y-2)^2 + (z-3)^2 = 16$
Work Step by Step
Equation of a sphere with a center at $(a,b,c)$ and radius $r$: $(x-a)^2 + (y-b)^2 + (z-c)^2 = r^2$ Plug in the information: $(x-1)^2 + (y-2)^2 + (z-3)^2 = 4^2$
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