defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Vector Algebra Magnitude and Directions of a Vector
The angle between vector \(\rm \vec Q\) and the resultant of \(\rm (2\vec Q+2\vec P)\ and (2\vec Q-2\vec P)\) is
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0°
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\(\rm \tan^{-1}\frac{(2\vec Q-2\vec P)}{(2\vec Q+2\vec P)}\)
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\(\rm \tan^{-1}\left(\frac{P}{Q}\right)\)
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\(\rm \tan^{-1}\left(\frac{2Q}{P}\right)\)