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

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

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