$\int \frac{x+1}{x(1+x e^x)^2} \,dx$ નું મૂલ્ય શોધો.

  • A
    $\log \left(\frac{x e^x}{1+x e^x}\right)+\frac{x}{1+x e^x}+c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે.
  • B
    $\log \left(\frac{x e^x}{1+x e^x}\right)+\frac{e^x}{1+x e^x}+c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે.
  • C
    $\log \left(\frac{x e^x}{1+x e^x}\right)+\frac{1}{1+x e^x}+c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે.
  • D
    $\log \left(\frac{x e^x}{1+x e^x}\right)-\frac{x}{1+x e^x}+c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે.

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