Question -
A and B are two vectors in a plane at an angle of 60∘ with each other. C is another vector perpendicular to the plane containing vectors A and B. which of the following relations is/are possible?
Options:
A .  ⃗A+⃗B=⃗C
B .  ⃗A+⃗C=⃗B
C .  →A×→B=→C
D .  →A×→C=→B
Answer: Option C : C As explained above, choices (a) and (b) are not possible. Since vector C is perpendicular to both vectors A and B,choice (c) is possible. Choice (d) is not possible because vector B is not perpendicular to vector A.
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