(a) If both assertion and reason are true and the reason is the correct explanation of the asser...

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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.
(c) If assertion is true but reason is false.
(d) If the assertion and reason both are false.
(e) If assertion is false but reason is true.
Assertion : The centre of mass of system of \( n \) particles is the weighted average of the position vector of the \( n \) particles making up the system.

Reason : The position of the centre of mass of a system is independent of coordinate system.
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