$\int \sqrt{x^2+3x} \, dx =$

  • A
    $\sqrt{x^2+3x} + \log \sqrt{x^2+3x} + c$
  • B
    $\frac{2x+3}{4} \sqrt{x^2+3x} - \frac{9}{8} \log \left| x + \frac{3}{2} + \sqrt{x^2+3x} \right| + c$
  • C
    $x \sqrt{x^2+3x} + \log \left| x + \sqrt{x^2+3x} \right| + c$
  • D
    $x + 3 \sqrt{x^2+3x} + \frac{3}{2} \log \left| x + \sqrt{x^2+3x} \right| + c$

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