Question: Find the work done by the force F ( x , y ) = ( x + 2 y ) i + ( 6 y

Find the work done by the force F(x,y)=(x+2y)i+(6y-2x)j acting counterclockwise once around the triangle with vertices (1,1),(3,1), and (3,2).
Find the work done by the force F(x,y,z)=yzi+xzj+xyk acting along the curve given by r(t)=t3i+t2j+tk from t=1 to t=3.
Find the work done by the force F ( x , y ) = ( x

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