If a and b be parallel vectors, then [a c b] = - Vidyadip

MCQ

If $ a$ and $b $ be parallel vectors, then $[a c b] =$

✓
$0$
B
$1$
C
$2$
D
None of these

✓

Answer

Correct option: A.

$0$

a
(a) $a.(c \times b) = c.(b \times a) = 0$, (Since $a$ and $b$ are parallel)

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