Question: Let where C is a circle oriented counterclockwise. Show that I = 0 when C does not contain the origin. What is I when C

Let= S C I = y dx - x dy x +

where C is a circle oriented counterclockwise. Show that I = 0 when C does not contain the origin. What is I when C do contain the origin?

= S C I = y dx - x dy x + y

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