f = 2xy in the x dir, (x^2 - z^2) in the y dir, -3xz^2 in the z dir. particle travles from (0,0,0) to (2,1,3) along the segments (0,0,0) ->(0,1,0)->(2,1,0)->(2,1,3) the integral is F dot product with dl. i cant figure this out. do i dot product each part individually and evaluate? i mean dot the x component of F and dl and evaluate them on an integral?