Mark the correct alternative in each of the following:
Vectors and are inclined at angle θ = 120°. If , then is equal to

(A)

Question

Mark the correct alternative in each of the following: Vectors and are inclined at angle θ = 120°. If , then is equal to

Philoid · Accepted Answer

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Mark the correct alternative in each of the following:Vectors and are inclined at angle θ = 120°. If , then is equal to

Mark the correct alternative in each of the following:
Vectors and are inclined at angle θ = 120°. If , then is equal to