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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Number of points where f(x) = cases (|x^2-x-2|, x^2-3x) & ; x 0 ( (-x), e^x) & ; x < 0 cases is non-differentiable will be :

Options

  1. A1
  2. B2
  3. C3
  4. DNone of these

Correct answer

C. 3

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