Question
Which of the following vector identities is /are false?
Which of the following vector identities is /are false?
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Solution
The correct options are
B 
C 
The scalar product is commulative, i.e. →A.→B=→B.→A. Vector product is anti-commutative, i.e. →A×→B=–→B×→A
Hence choices (b) and (c) are false.
B
C
The scalar product is commulative, i.e. →A.→B=→B.→A. Vector product is anti-commutative, i.e. →A×→B=–→B×→A
Hence choices (b) and (c) are false.
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