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What is the angle between vecP and the r...

What is the angle between `vecP` and the resultant of `(vecP+vecQ)` and `(vecP-vecQ)`

A

Zero

B

`tan^(-1)(P//Q)`

C

`tan^(-1)(Q//P)`

D

`tan^(-1)(P-Q)//(P+Q)`

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The correct Answer is:
A
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