From a circular disc of radius r and mas...

From a circular disc of radius r and mass 9M a small disc of radius r/3 is removed from the disc as shown in figure. find the moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through the point O.

`(40/9)MR^2`

`(4/9)MR^2`

`4MR^2`

`MR^2`

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