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...May curl and stoke s theorem stheorem in the lecture from april we studied circulation of a vector field f x y about point r would like to do same for fields definition given z defined region p unit normal n component at direction perpendicular is as follows lim dr c where limit taken over closed curves such that areas enclosed by those tend curve should be oriented according right hand thumb rule comments i this independent coordinate system ii if choose say rectangular coordinates then taking j k get components thus derived iii gives per area an axis iv take assume lies xy plane asimilar though more complicated argument one formula fi fj fk weoften use notation denote...