Consider $f ( x , y , z ) = \sqrt { 1 - x ^ { 2 } - y ^ { 2 } - z ^ { 2 } }$

question 54

Essay

Consider $f ( x , y , z ) = \sqrt { 1 - x ^ { 2 } - y ^ { 2 } - z ^ { 2 } }$ . Where $f$ is continuous?

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