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A vector a has components 2p and 1 with ...

A vector 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 counterclockwise sense if this respect to new system a has components p+1 and 1 then

A

p=0

B

p=1 or p=-1/3

C

p=-1

D

p=1 or p=-1

Text Solution

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The correct Answer is:
B
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