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The coefficient of x to the power of negative n end exponent in left parenthesis 1 plus x right parenthesis to the power of n end exponent open parentheses 1 plus fraction numerator 1 over denominator x end fraction close parentheses to the power of n end exponent is

Maths-General

  1. 0    
  2. 1    
  3. 2 to the power of n end exponent    
  4. C presuperscript 2 n end presuperscript subscript n

    Answer:The correct answer is: C presuperscript 2 n end presuperscript subscript n

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