Question

57. the magnitude of the vector product is root 3 times
the magnitude of the scalar product, the angle
between the two vectors is :
(A)
(B)
16m-
(С)
(D)

Answer 1

ANSWER

Expanding the vector and the dot products:

ABsinθ=

3ABcosθ⇒tanθ=

3⇒θ=60 = 3π

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