Optimal. Leaf size=13 \[ -\frac {25}{16} \left (-1+\frac {e^x}{x}\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 10, normalized size of antiderivative = 0.77, number of steps
used = 2, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {12, 2228}
\begin {gather*} -\frac {25 e^x}{16 x} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 2228
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\frac {1}{16} \int \frac {e^x (25-25 x)}{x^2} \, dx\\ &=-\frac {25 e^x}{16 x}\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.01, size = 10, normalized size = 0.77 \begin {gather*} -\frac {25 e^x}{16 x} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.70, size = 8, normalized size = 0.62
method | result | size |
gosper | \(-\frac {25 \,{\mathrm e}^{x}}{16 x}\) | \(8\) |
default | \(-\frac {25 \,{\mathrm e}^{x}}{16 x}\) | \(8\) |
norman | \(-\frac {25 \,{\mathrm e}^{x}}{16 x}\) | \(8\) |
risch | \(-\frac {25 \,{\mathrm e}^{x}}{16 x}\) | \(8\) |
meijerg | \(\frac {\frac {25 x}{16}+\frac {25}{16}}{x}-\frac {25 \,{\mathrm e}^{x}}{16 x}-\frac {25}{16}-\frac {25}{16 x}\) | \(25\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] Result contains higher order function than in optimal. Order 4 vs. order
3.
time = 0.29, size = 12, normalized size = 0.92 \begin {gather*} -\frac {25}{16} \, {\rm Ei}\left (x\right ) + \frac {25}{16} \, \Gamma \left (-1, -x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.49, size = 7, normalized size = 0.54 \begin {gather*} -\frac {25 \, e^{x}}{16 \, x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 8, normalized size = 0.62 \begin {gather*} - \frac {25 e^{x}}{16 x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.40, size = 7, normalized size = 0.54 \begin {gather*} -\frac {25 \, e^{x}}{16 \, x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 5.23, size = 7, normalized size = 0.54 \begin {gather*} -\frac {25\,{\mathrm {e}}^x}{16\,x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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