Forces of magnitudes 5 and 3 units acting in the directions $\vec{A} = 6\hat{i} + 2\hat{j} + 3\hat{k}$ and $\vec{B} = 3\hat{i} - 2\hat{j} + 6\hat{k}$ respectively act on a particle which is displaced from the point (2,2,-1) to (4,3,1). The work done by the forces is