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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 `pi` 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 `sqrt(3)` units.

D

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

Text Solution

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The correct Answer is:
(a, c, d)
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