An excercise tell me to represent a revolution surface by rotating an analityc curve around the x-axis. So my idea is to consider a generic analityc curve so described by a cartesian equation, for example y=x. My question is: among the analityc curve I should consider also the closed curve as a circle?
2026-04-08 23:04:53.1775689493
Analityc curve can be closed?
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