Entry Test MCQ :: Vectors And Equilibrium

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? ? If A=Ax i^ + Ay j^ + Az K^ B = Bx i^ + By j^ + Bz K^ then

[A].	?? A. B = Ax Bx + Ay By + Az Bz	[B].	?? A. B = Ax By + Ay Bz + Az By
[C].	?? A. B = Ay Bz + Az By + Az Bx	[D].	?? A. B = Ax Bz + Ay By + Az Bx

Answer: Option A