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Multiplication with Vectors

In a clockwis...

Question

In a clockwise system, which of the following is true?

A

^j \times^k =^i

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B

^i .^i = 0

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C

^j \times^j = 1

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D

^k .^i = 1

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Solution

The correct option is B $^j \times^k =^i$
In clockwise system:
$^i \times^j =^k$
$^j \times^k =^i$
$^k \times^i =^j$

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^i \times (^j \times^k) +^j . (^i \times^k) -^k . (^i \times^i)

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