Question: The circle x 2 + y 2 = 4 is a level curve for the ellipsoid x 2 + y 2 + z 2 /4

The circle x2 + y2 = 4 is a level curve for the ellipsoid x2 + y2 + z2/4 = 1.

Determine whether each statement is true or false, and explain why.

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