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Question

The coefficient of x to the power of n in fraction numerator x minus 4 over denominator x squared minus 5 x plus 6 end fraction is

  1. 1 over 3 to the power of n plus 1 end exponent minus 1 over 2 to the power of n
  2. 1 over 3 to the power of n plus 1 end exponent plus 1 over 2 to the power of n
  3. 1 over 5 to the power of n plus 1 end exponent plus 1 over 2 to the power of n
  4. 1 over 5 to the power of n plus 1 end exponent plus 1 over 3 to the power of n

The correct answer is: 1 over 3 to the power of n plus 1 end exponent minus 1 over 2 to the power of n

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