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Solve the Problem x2+y2+z2=4x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 4

question 77

Multiple Choice

Solve the problem.
-Find the point on the sphere x2+y2+z2=4x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 4 that is closest to the point (3,1,1) ( 3,1 , - 1 ) .


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