Q7 of 51 Page 26

Mark the correct alternative in each of the following:

Let and be three non-zero vectors such that c⃗ is a unit vector perpendicular to both a⃗ and b⃗ . If the angle between a⃗ and b⃗ is, then is equal to






(∵ c⃗ is perpendicular to a⃗ and b⃗ ⇒ angle is 0)



(∵ c⃗ is unit vector )


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