82. the total potential energy ofa pair of inert gas atoms at separation r is given by a b v)=- where a and b are positive constants. the repulsive force betwee

82. The total potential energy ofa pair of inert gas atoms at separation r is given by A B V)=- Where A and B are positive constants. The repulsive force between the two atoms is 6A (A) (B) 12B C) 6A 12B (D) 6A 12B