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NEET2005PhysicsMathematics in PhysicsActual

If the angle between the vector A and ( B A ) A is , the value of the product ( B A ) A is equal to:

Options

  1. AB A^2
  2. BB A^2
  3. CB A^2
  4. Dzero

Correct answer

D. zero

Step-by-step solution

( B B ) A =(B A )( n A )=0 Since n is perpendicular to both A and B .

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