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Three rods each of mass m and length `l` are joined togther to form an equilateral triangle as shown in figure. Find the moment of inertia of the system about on axis passing through its centre of mass and perpendicular to the plane of the triangle

A

`2mL^(2)`

B

`(mL^(2))/(2)`

C

`(mL^(2))/(3)`

D

`(mL^(2))/(6)`

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The correct Answer is:
B
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