Three particles, each of mass m grams situated at the vertices of an equilateral triangle ABC of side I cm (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, in gram-cm^2 units will be.
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![](https://sahay.guru/wp-content/uploads/2020/08/Question-no-35B_solution-1024x554.jpg)