If three particle each of mass m are placed at the three corners of an equilational triangle of side I, the work done to increase the side of that triangle 2I is

If three particle each of mass m are placed at the three corners of an

1.	If three particle each of mass m are placed at the three corners of an equilational triangle of side I, the work done to increase the side of that triangle 2I is
Answer» `(3Gm^2)/(L)` `(3Gm^2)/(2L)` `(Gm^2)/(2l)` `(Gm^2)/(l)` ANSWER :B