$\int \frac{x+1}{x(1+x e^x)} d x$ का मान ज्ञात कीजिए।

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

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