From a uniform circular disc of radius R and mass 9M, a small disc R of radius is removed as shown in 3 the figure. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through centre of disc is 37 (a) MR² 9 40 (c). - MR² 9 — (b) 4MR² (d) 10MR² R 2R 3
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