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Practice problem

Equation of a Sphere

By Joshua Siktar

If the equation of a sphere is (x−1)2+(y−4)2+(z−1)2=4(x-1)^2 + (y-4)^2 + (z-1)^2 = 4 Which of the following are outside (and not on) the sphere? Mark all that apply.

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Type a concept, like “slope” or “photosynthesis”.

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