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`sqrt((1)/(2)) R``sqrt(2) R``(sqrt(3))/(2)R``(sqrt(3)/(4)) R`

Answer :

CSolution :

`I_(AB) = I_(C C') + m ((R )/(2))^(2)` <br> `I_(AB) = (1)/(2) mR^(2) + (mR^(2))/(4)` , `I_(AB) = (3 mR^(2))/(4)` <br> `mk^(2) = (3 mR^(2))/(4)` , `k = sqrt((3R^(2))/(4))` <br> `k = (sqrt(3) R)/(2)` <br> <img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/VMC_JEE_REV_TST_24_E01_014_S01.png" width="80%">