1.If the constant forces 2i^−5j^+6k^2\hat{i} - 5\hat{j} + 6\hat{k}2i^−5j^+6k^ and −i^+2j^−k^-\hat{i} + 2\hat{j} - \hat{k}−i^+2j^−k^ act on a particle due to which it is displaced from a point A(4,−3,−2)A(4, -3, -2)A(4,−3,−2) to a point B(6,1,−3)B(6, 1, -3)B(6,1,−3), then the work done by the forces isa.151515 unitb.999 unitc.−15-15−15 unitd.−9-9−9 unitLogin to continueOnly logged in users canattempt or see the solution.