Four particle each of mass 1 kg ar the four corners of a square of side 1m. The workdone to move one of the particles to infinity

Four particle each of mass 1 kg ar the four corners of a square of sid

1.	Four particle each of mass 1 kg ar the four corners of a square of side 1m. The workdone to move one of the particles to infinity
Answer» `2sqrt(2)` G `((2sqrt(2) +1)/(SQRT(2)))G` `(2sqrt(2) +1)G` 3G ANSWER :B