3.3.87 \(\int \frac {x}{x+\log (x)} \, dx\) [287]

Optimal. Leaf size=11 \[ \text {Int}\left (\frac {x}{x+\log (x)},x\right ) \]

[Out]

CannotIntegrate(x/(x+ln(x)),x)

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Rubi [A]
time = 0.02, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int \frac {x}{x+\log (x)} \, dx \end {gather*}

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*}

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Mathematica [A]
time = 9.03, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x}{x+\log (x)} \, dx \end {gather*}

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 = 0.04, size = 0, normalized size = 0.00 \[\int \frac {x}{x +\ln \left (x \right )}\, dx\]

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 = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

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 = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

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 = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x}{x + \log {\left (x \right )}}\, dx \end {gather*}

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 = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

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)

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Mupad [A]
time = 0.00, size = -1, normalized size = -0.09 \begin {gather*} \int \frac {x}{x+\ln \left (x\right )} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x/(x + log(x)),x)

[Out]

int(x/(x + log(x)), x)

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