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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

**Paragraph for Question Nos. 5 to 6** Define : f(x) = |x^2 - 4x + 3| x + 2(x - 2)^ 1/3 , x > 0h(x) = cases x - 1 & , x Q x^2 - x - 2 & , x Q cases f(x) is non-differentiable at ........ points and the sum of corresponding x value(s) is ........

Options

  1. A3, 6
  2. B2, 3
  3. C2, 4
  4. D2, 5

Correct answer

D. 2, 5

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