i ,. ,(j k) + j ,. ,(k i) + k ,. ,(i j) = - Vidyadip

MCQ

$i\,.\,(j \times k) + j\,.\,(k \times i) + k\,.\,(i \times j) = $

A
$1$
✓
$3$
C
$-3$
D
$0$

✓

Answer

Correct option: B.

$3$

b
(b) $i\,.\,(j \times k) + j\,.\,(k \times i) + k.(i \times j)$=$i\,.\,i + j\,.\,j + k\,.\,k = 3.$

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