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A uniform disc of radius R lies in the x...

A uniform disc of radius `R` lies in the `x-y` plane, with its centre at origin. Its moment of inertia about z-axis is equal to its moment of inertia about line `y = x + c`. The value of `c` will be.
.

A

`R//sqrt2`

B

`-R//2`

C

`+R//4`

D

`-R`

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The correct Answer is:
A
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