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A particle is displaced from a position \(\vec{2i}\ -\ \vec{j}\ +\ \vec{k}\), to another position \(\vec{3i}\ +\ \vec{2j}\ -\ \vec{2k}\) under the action of the force \(\vec{2i}\ +\ \vec{j}\ -\ \vec{k}\). The work done by the force in an arbitrary unit is
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