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Which of the following is independing of...

Which of the following is independing of the choice of co-ordinate system

A

`vec(P) + vec(Q) + vec(R)`

B

`(P_(x) + Q_(x) + R_(x)) hat(i)`

C

`P_(x) hat(i) + Q_(y) hat(j) + R_(z) hat(k)`

D

None of these

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Verified by Experts

The correct Answer is:
A
`vec(P) + vec(Q) + vec(R)` is independent of choice of co-ordinate system as they are not resolved into any co-ordinate system like i, j, k
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