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Prove that the centre of mass of two par...

Prove that the centre of mass of two particles divides the line joining the particles in the inverse ratio of their masses

A

if both assertion and reason are true and reason is the correct explanation of the assertion.

B

if both assertion and reason are true but reason is not correct explanation of the assertion.

C

if assertion is true, but reason is false.

D

if both assertion and reason are false.

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