Find the moment of inertia of an annular disc of mass M and inner radius R1 and outer radius R2 about an axis tangential and perpendicular to plane 1. M/2(R1^2+3R2^2) 2. M/2(3R1^2+R2^2) 3. M/2(R1^2+5R2^2) 4. M/2(5R1^2+R2^2)

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