Constant forces $P_1=\hat{i}+\hat{j}+\hat{k},P_2=-\hat{i}+2\hat{j}-\hat{k}and{P}_3=-\hat{j}-\hat{k}$ act on a particle at a point $A\dot{}$ Determine the work done when particle is displaced from position $A\left(4\hat{i}-3\hat{j}-2\hat{k}\right)\to B\left(6\hat{i}+\hat{j}-3\hat{k}\right)\dot{}$

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