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

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

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$\int \frac{dx}{x(x^3+1)} = $

સંમેય વિધેયનું સંકલન કરો: $\frac{(x^{2}+1)(x^{2}+2)}{(x^{2}+3)(x^{2}+4)}$

Difficult
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સંમેય વિધેયનું સંકલન કરો: $\frac{3x-1}{(x-1)(x-2)(x-3)}$

$\int \frac{x + 2}{x^2 - 7x + 12} dx$ ની કિંમત શોધો

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