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Three particles of the same mass lie in ...

Three particles of the same mass lie in the x-y plane. The (x, y) coordinates of their position are `(1, 1), (2, 2)` and `(3, 3)` respectively. The (x, y) coordinates of the centre of mass are

A

(1,2)

B

(2,2)

C

(4,2)

D

(6,6)

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