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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

If f(x) = (x+1)^7 1+x^2 (x^2-x+1)^6 , then the value of f'(0) is equal to :

Options

  1. A10
  2. B11
  3. C13
  4. D15

Correct answer

C. 13

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