Three vectors A^(→) , B^(→) and C^(→) add up to
zero. Find which is false.
(a) (A^(→) ×B^(→) )×C^(→) is not zero unless B^(→) , C^(→)
are parallel
(b) (A^(→) ×B^(→) )∙C^(→) is not zero unless B^(→) , C^(→)
are parallel
(c) If A^(→) , B^(→) , C^(→) define a plane, (A^(→) ×B^(→) ×C^(→) )
is in that plane
(d) (A^(→) ×B^(→) ).C^(→) = ∣A^(→) ∣∣B^(→) ∣∣C^(→) ∣ → C^2 = A^2 + B^2
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