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Three particles, each of mass m are situ...

Three particles, each of mass m are situated at the vertices of an equilateral triangle ABC of side `l` (as shown in the figure).

The moment of inertia of the system about a line AX perpendicular to AB and in the plane of ABC, will be:

A

`2ml^(2)`

B

`(5)/(4)ml^(2)`

C

`(3)/(2)ml^(2)`

D

`(3)/(4)ml^(2)`

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