Optimal. Leaf size=14 \[ \text {Int}\left (\frac {e^x}{x+e^x},x\right ) \]
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Rubi [A] time = 0.03, 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 = {} \[ \int \frac {e^x}{e^x+x} \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin {align*} \int \frac {e^x}{e^x+x} \, dx &=\int \frac {e^x}{e^x+x} \, dx\\ \end {align*}
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Mathematica [A] time = 0.02, size = 0, normalized size = 0.00 \[ \int \frac {e^x}{e^x+x} \, dx \]
Verification is Not applicable to the result.
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fricas [A] time = 0.40, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {e^{x}}{x + e^{x}}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {e^{x}}{x + e^{x}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 0, normalized size = 0.00 \[ \int \frac {{\mathrm e}^{x}}{x +{\mathrm e}^{x}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.00, size = 0, normalized size = 0.00 \[ x - \int \frac {x}{x + e^{x}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [A] time = 0.00, size = -1, normalized size = -0.07 \[ \int \frac {{\mathrm {e}}^x}{x+{\mathrm {e}}^x} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {e^{x}}{x + e^{x}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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