$\frac{d}{dx} \{ e^x \log(1 + x^2) \} = $

  • A
    $e^x \left[ \log(1 + x^2) + \frac{2x}{1 + x^2} \right]$
  • B
    $e^x \left[ \log(1 + x^2) - \frac{2x}{1 + x^2} \right]$
  • C
    $e^x \left[ \log(1 + x^2) + \frac{x}{1 + x^2} \right]$
  • D
    $e^x \left[ \log(1 + x^2) - \frac{x}{1 + x^2} \right]$

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