A VECTOR IS NOT CHANGED IF- (a)it is rotated through an arbitrary angle (b)it is multiplied by an arbitrary scalar (c)it is cross multiplied by a unit vector (d) it is slid parallel to itself CAN I GET THE ANSWER FROM THE ABOVE OPTIONS AND THE EXPLANATION ALSO.

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Answers

2016-04-24T20:03:43+05:30
B.multiplied by an arbitrary scalar as it's direction doesn't change.
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