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A rod of length 2units whose one end is ...

A rod of length 2units whose one end is `(1, 0, -1)` and other end touches the plane `x-2y+2z+4=0`, then

A

The rod sweeps the figure whose volume is cubic units

B

The area of the region which the rod traces on the plane is `2pi`

C

The length of projection of the rod on the plane is `sqrt3` units

D

The centre of the region which the rod traces on the plane is ` ((2)/(3), (2)/(3) (-5)/(3))`

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A, C, D
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