Question: 3. Let K = {(x, y,z) : x = 0, y 2 0)} CR'. Let AC K be a regular surface of dimension 1. Show

3. Let K = {(x, y,z) : x = 0, y 2 0)} CR'. Let AC K be a regular surface of dimension 1. Show that the surface obtained by rotating A around the z-axis is a regular surface of dimension 2

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