Question

Which of the following is correct ?
i) i×i=j×j=k×k=1
ii) i×j=j×k=k×i=0
iii) i×i=j×j=k×k=0
iv) i×j=j×k=k×i=1​

Answer 1

Answer:

option 3 is correct

Explanation:

because cross product of same unit

is 0

Answer 2

3rd option correct

when same unit vectors are crossed the product is 0

icrossj=k

jcrossk=i

kcrossi=j

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