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If , then which of the following is true?

  4. None of these.

Answer (Detailed Solution Below)

Option 1 :
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Detailed Solution

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Concept:

For three vectors ,  and :

  • Triple Cross Product: is defined as: 

Calculation:

Given that: 

⇒ 

⇒ 

⇒ 

⇒ , which is the required answer.

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