### 3.287 $$\int \frac{x}{x+\log (x)} \, dx$$

Optimal. Leaf size=10 $\text{CannotIntegrate}\left (\frac{x}{x+\log (x)},x\right )$

[Out]

CannotIntegrate[x/(x + Log[x]), x]

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Rubi [A]  time = 0.0220771, antiderivative size = 0, normalized size of antiderivative = 0., number of steps used = 0, number of rules used = 0, integrand size = 0, $$\frac{\text{number of rules}}{\text{integrand size}}$$ = 0., Rules used = {} $\int \frac{x}{x+\log (x)} \, dx$

Veriﬁcation is Not applicable to the result.

[In]

Int[x/(x + Log[x]),x]

[Out]

Defer[Int][x/(x + Log[x]), x]

Rubi steps

\begin{align*} \int \frac{x}{x+\log (x)} \, dx &=\int \frac{x}{x+\log (x)} \, dx\\ \end{align*}

Mathematica [A]  time = 5.36157, size = 0, normalized size = 0. $\int \frac{x}{x+\log (x)} \, dx$

Veriﬁcation is Not applicable to the result.

[In]

Integrate[x/(x + Log[x]),x]

[Out]

Integrate[x/(x + Log[x]), x]

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Maple [A]  time = 0.01, size = 0, normalized size = 0. \begin{align*} \int{\frac{x}{x+\ln \left ( x \right ) }}\, dx \end{align*}

Veriﬁcation of antiderivative is not currently implemented for this CAS.

[In]

int(x/(x+ln(x)),x)

[Out]

int(x/(x+ln(x)),x)

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Maxima [A]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x}{x + \log \left (x\right )}\,{d x} \end{align*}

Veriﬁcation of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/(x+log(x)),x, algorithm="maxima")

[Out]

integrate(x/(x + log(x)), x)

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Fricas [A]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{x}{x + \log \left (x\right )}, x\right ) \end{align*}

Veriﬁcation of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/(x+log(x)),x, algorithm="fricas")

[Out]

integral(x/(x + log(x)), x)

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Sympy [A]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x}{x + \log{\left (x \right )}}\, dx \end{align*}

Veriﬁcation of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/(x+ln(x)),x)

[Out]

Integral(x/(x + log(x)), x)

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Giac [A]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x}{x + \log \left (x\right )}\,{d x} \end{align*}

Veriﬁcation of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/(x+log(x)),x, algorithm="giac")

[Out]

integrate(x/(x + log(x)), x)