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Question

  1. 1 half left parenthesis i plus j minus k with hat on top right parenthesis m
  2. 1 half left parenthesis i with hat on top plus 3 j with hat on top minus k with hat on top right parenthesis m
  3. 1 half left parenthesis i with hat on top plus j with hat on top minus 3 k with hat on top right parenthesis m
  4. 1 half left parenthesis 3 i with hat on top plus j with hat on top minus k with hat on top right parenthesis m

The correct answer is: 1 half left parenthesis 3 i with hat on top plus j with hat on top minus k with hat on top right parenthesis m


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