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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

If f(x) = |||x| - 2| + p| have more than 3 points of non-derivability then the value of p can be :

Options

  1. A0
  2. B-1
  3. C-2
  4. D2

Correct answer

B. -1

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