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The vectors a with not stretchy bar on top comma b with not stretchy bar on top comma c with not stretchy bar on top are equal in length and pair wise make equal angles. If a with not stretchy bar on top equals l with not stretchy bar on top plus ȷ with not stretchy bar on top comma b with not stretchy bar on top equals ȷ with not stretchy bar on top plus k with not stretchy bar on top, then c with not stretchy bar on top equals

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  1. left parenthesis 1 comma 0 comma 1 right parenthesis
  2. left parenthesis 1 comma 1 comma 0 right parenthesis
  3. left parenthesis 0 comma 1 comma 1 right parenthesis
  4. left parenthesis 1 comma 1 comma 1 right parenthesis

    Answer:The correct answer is: left parenthesis 1 comma 0 comma 1 right parenthesis

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