Question #136261
Find an equation of a sphere with radius r and center c(h,k,l)
1
Expert's answer
2020-10-04T13:16:02-0400

By defenition of the sphere, the equation is

(xcx)2+(ycy)2+(zcz)2=r2,(x-c_x)^2+(y-c_y)^2+(z-c_z)^2=r^2, or

(xh)2+(yk)2+(zl)2=r2.(x-h)^2+(y-k)^2+(z-l)^2=r^2.


Answer: (xh)2+(yk)2+(zl)2=r2.(x-h)^2+(y-k)^2+(z-l)^2=r^2.



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