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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Number of points at which the function f(x) = cases (x, x^2) & if - < x < 1 (2x - 1, x^2) & if x 1 cases is not derivable is :

Options

  1. A0
  2. B1
  3. C2
  4. D3

Correct answer

B. 1

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