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Mathematics 20 Online
OpenStudy (anonymous):

what does the integral sign with a circle halfway through it mean? The definite integral?

OpenStudy (anonymous):

closed curve integral

OpenStudy (anonymous):

\[\oint 1 ds\]= 2pi S is a circle with radius 1

OpenStudy (turingtest):

It means that the path of integration you are doing is closed. |dw:1324832472987:dw|For instance integrating along a path like this.

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