Green's theorem
A circulation round a closed curve rewritten as a double integral of $Q_x - P_y$ over the region inside, with the orientation, the smoothness and the holes that the statement depends on.
About 25 minutes7 activities Paper packet
A circulation round a closed curve rewritten as a double integral of $Q_x - P_y$ over the region inside, with the orientation, the smoothness and the holes that the statement depends on.
About 25 minutes7 activities Paper packet