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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Let f'(x) = (x^2) and y = f(x^2 + 1) then dy dx at x = 1 is :

Options

  1. A2 2
  2. B2 2
  3. C2 4
  4. D2

Correct answer

C. 2 4

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