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For two particular vectors vec A and vec...

For two particular vectors `vec A and vec B` it is known that `vec A xx vec B =vec Bxx vec A`. What must be true about the two vectors?

A

Atleast one of the two vectors must be the zero vector

B

`AtimesB=BtimesA` is true for any two vectors

C

One of the two vectors is a scalar multiple of the other vector

D

The two vectors must be perpendicular to each other

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The correct Answer is:
C
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  13. A rigid body rotates with constant angular velocity omaga about the li...

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  14. Consider DeltaABC with A=(veca);B=(vecb) and C=(vecc). If vecb.(veca+v...

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