The centre of mass of two particles with masses 2kg and 6 kg located at (1,1,1), (2,2,1) respectively has the coordinates

The centre of mass of two particles with masses 2kg and 6 kg located a

1.	The centre of mass of two particles with masses 2kg and 6 kg located at (1,1,1), (2,2,1) respectively has the coordinates
Answer» `((7)/(4),(7)/(4),(7)/(4))` `((4)/(3),(4)/(3),(2)/(3))` `((7)/(4),4,1)` `((7)/(4),(7)/(4),1)` ANSWER :D