$\int \frac{x+1}{x(1+x e^x)^2} \,d x=$ (જ્યાં $C$ એ સંકલનનો અચળાંક છે.)

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

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

જો $\int \frac{1}{(x^{2} + 4)(x^{2} + 9)} dx = A \tan^{-1} \frac{x}{2} + B \tan^{-1} \left( \frac{x}{3} \right) + C$ હોય,તો $A - B =$

$\int \frac{x+1}{x^3-1} \, dx =$

જો $\int \frac{2 x^2}{\left(2 x^2+\alpha\right)\left(x^2+5\right)} d x=\frac{\sqrt{5}}{3} \tan ^{-1} \frac{x}{\sqrt{5}}-\frac{\sqrt{2}}{3} \tan ^{-1} \frac{x}{\sqrt{2}}+c$ હોય, તો $\alpha=$

$\int \frac{\cos x}{(1 + \sin x)(2 + \sin x)} \,dx = $

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