A vector `vec(a)` has components `2p` and `1` with respect to a rectangular cartesian system. This system is rotated

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Q 2200691518.     A vector `vec(a)` has components `2p` and `1` with respect to a

rectangular cartesian system. This system is rotated

through a certain angle about the origin in the clockwise

sense. If with respect to new system, `vec(a)` has components

`p + 1` and `1`, then
A

`p=0`

B

`p=1` or `p=-1/3`

C

`p=-1` or `p=1/3`

D

`p=1` or `p= -1`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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