A function is defined in (0, ∞) by
f(x) = { 1 – x^2 for 0 < x ≤ 1
    ln x for 1 < x ≤ 2
    ln(2 – 1 + 0.5x) for 2 < x < ∞ }
Which one of the following is correct in respect of the derivative of the function, i.e., f′(x)?

Mathematics 2017 NDA Mathematics 2017 NDA 2017

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