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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Let f(x) = -1 + |x - 2| and g(x) = 1 - |x| then set of all possible value(s) of x for which (f g)(x) is discontinuous is :

Options

  1. A0, 1, 2
  2. B0, 2
  3. C0
  4. Dan empty set

Correct answer

D. an empty set

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