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If A is 3×3 non-singular matrix then d e t invisible function application open parentheses A to the power of negative 1 end exponent a d j A close parentheses equals

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  1. det A    
  2. 1    
  3. left parenthesis d e t invisible function application A right parenthesis to the power of 2 end exponent    
  4. left parenthesis d e t invisible function application A right parenthesis to the power of negative 1 end exponent    

    Answer:The correct answer is: det A

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