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What is the vector perpendicular to both the vectors i - j and i ?

Options

  1. Ai
  2. B- j
  3. Cj
  4. Dk

Correct answer

D. k

Step-by-step solution

Two vectors are perpendicular if its dot product equals to zero. ( i - j ) k =0 and i k =0 Hence, perpendicular vector is k .

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