$x>0$ के लिए, समाकलन $\int \left( \frac{\sqrt{1+x+x^2}}{1+x} + \frac{1}{2 \sqrt{1+x+x^2}} - \frac{1}{(1+x) \sqrt{1+x+x^2}} \right) dx$ का मान ज्ञात कीजिए।

  • A
    $\frac{1}{\sqrt{1+x+x^2}}+C$
  • B
    $\sqrt{1+x}+C$
  • C
    $\frac{1}{\sqrt{1+x}}+C$
  • D
    $\sqrt{x^2+x+1}+C$

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