Three forces −→F1=2^i−4^j+5^k, −→F2=^i+3^j−8^k and −→F3=−6^i−10^j+7^k are acting on a particle present on the positive x axis, 5 units away from the origin. The three forces combined displace the body to a point 6ˆi−3ˆj+10ˆk. What is the net work done by the three forces ?