Integrand size = 49, antiderivative size = 24 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=-e^{e^x}+\frac {15 e^5}{x^2 \log \left (\frac {4}{x}\right )} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 0.35 (sec) , antiderivative size = 106, normalized size of antiderivative = 4.42, number of steps used = 10, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.163, Rules used = {6874, 2320, 2225, 2343, 2347, 2209, 2413, 6617} \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=-\frac {15}{8} e^5 \left (1-2 \log \left (\frac {4}{x}\right )\right ) \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right )-\frac {15}{4} e^5 \log \left (\frac {4}{x}\right ) \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right )+\frac {15}{8} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right )+\frac {30 e^5}{x^2}+\frac {15 e^5 \left (1-2 \log \left (\frac {4}{x}\right )\right )}{x^2 \log \left (\frac {4}{x}\right )}-e^{e^x} \]
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Rule 2209
Rule 2225
Rule 2320
Rule 2343
Rule 2347
Rule 2413
Rule 6617
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (-e^{e^x+x}-\frac {15 e^5 \left (-1+2 \log \left (\frac {4}{x}\right )\right )}{x^3 \log ^2\left (\frac {4}{x}\right )}\right ) \, dx \\ & = -\left (\left (15 e^5\right ) \int \frac {-1+2 \log \left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx\right )-\int e^{e^x+x} \, dx \\ & = -\frac {15}{8} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right ) \left (1-2 \log \left (\frac {4}{x}\right )\right )+\frac {15 e^5 \left (1-2 \log \left (\frac {4}{x}\right )\right )}{x^2 \log \left (\frac {4}{x}\right )}-\left (30 e^5\right ) \int \left (-\frac {\operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right )}{8 x}+\frac {1}{x^3 \log \left (\frac {4}{x}\right )}\right ) \, dx-\text {Subst}\left (\int e^x \, dx,x,e^x\right ) \\ & = -e^{e^x}-\frac {15}{8} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right ) \left (1-2 \log \left (\frac {4}{x}\right )\right )+\frac {15 e^5 \left (1-2 \log \left (\frac {4}{x}\right )\right )}{x^2 \log \left (\frac {4}{x}\right )}+\frac {1}{4} \left (15 e^5\right ) \int \frac {\operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right )}{x} \, dx-\left (30 e^5\right ) \int \frac {1}{x^3 \log \left (\frac {4}{x}\right )} \, dx \\ & = -e^{e^x}-\frac {15}{8} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right ) \left (1-2 \log \left (\frac {4}{x}\right )\right )+\frac {15 e^5 \left (1-2 \log \left (\frac {4}{x}\right )\right )}{x^2 \log \left (\frac {4}{x}\right )}+\frac {1}{8} \left (15 e^5\right ) \text {Subst}\left (\int \frac {e^{2 x}}{x} \, dx,x,\log \left (\frac {4}{x}\right )\right )-\frac {1}{4} \left (15 e^5\right ) \text {Subst}\left (\int \operatorname {ExpIntegralEi}(2 x) \, dx,x,\log \left (\frac {4}{x}\right )\right ) \\ & = -e^{e^x}+\frac {30 e^5}{x^2}+\frac {15}{8} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right )-\frac {15}{8} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right ) \left (1-2 \log \left (\frac {4}{x}\right )\right )+\frac {15 e^5 \left (1-2 \log \left (\frac {4}{x}\right )\right )}{x^2 \log \left (\frac {4}{x}\right )}-\frac {15}{4} e^5 \operatorname {ExpIntegralEi}\left (2 \log \left (\frac {4}{x}\right )\right ) \log \left (\frac {4}{x}\right ) \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=-e^{e^x}+\frac {15 e^5}{x^2 \log \left (\frac {4}{x}\right )} \]
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Result contains complex when optimal does not.
Time = 6.03 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.17
method | result | size |
risch | \(-\frac {30 i {\mathrm e}^{5}}{x^{2} \left (-4 i \ln \left (2\right )+2 i \ln \left (x \right )\right )}-{\mathrm e}^{{\mathrm e}^{x}}\) | \(28\) |
parallelrisch | \(\frac {-{\mathrm e}^{{\mathrm e}^{x}} \ln \left (\frac {4}{x}\right ) x^{2}+15 \,{\mathrm e}^{5}}{x^{2} \ln \left (\frac {4}{x}\right )}\) | \(32\) |
default | \(-{\mathrm e}^{{\mathrm e}^{x}}+15 \,{\mathrm e}^{5} \left (\frac {1}{x^{2} \ln \left (\frac {4}{x}\right )}+\frac {\operatorname {Ei}_{1}\left (-2 \ln \left (\frac {4}{x}\right )\right )}{8}\right )-\frac {15 \,{\mathrm e}^{5} \operatorname {Ei}_{1}\left (-2 \ln \left (\frac {4}{x}\right )\right )}{8}\) | \(50\) |
parts | \(-{\mathrm e}^{{\mathrm e}^{x}}+15 \,{\mathrm e}^{5} \left (\frac {1}{x^{2} \ln \left (\frac {4}{x}\right )}+\frac {\operatorname {Ei}_{1}\left (-2 \ln \left (\frac {4}{x}\right )\right )}{8}\right )-\frac {15 \,{\mathrm e}^{5} \operatorname {Ei}_{1}\left (-2 \ln \left (\frac {4}{x}\right )\right )}{8}\) | \(50\) |
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Time = 0.25 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.62 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=-\frac {{\left (x^{2} e^{\left (x + e^{x}\right )} \log \left (\frac {4}{x}\right ) - 15 \, e^{\left (x + 5\right )}\right )} e^{\left (-x\right )}}{x^{2} \log \left (\frac {4}{x}\right )} \]
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Time = 0.12 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.71 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=- e^{e^{x}} + \frac {15 e^{5}}{x^{2} \log {\left (\frac {4}{x} \right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 43 vs. \(2 (21) = 42\).
Time = 0.30 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.79 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=-\frac {{\left (2 \, x^{2} \log \left (2\right ) - x^{2} \log \left (x\right )\right )} e^{\left (e^{x}\right )} - 15 \, e^{5}}{2 \, x^{2} \log \left (2\right ) - x^{2} \log \left (x\right )} \]
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Time = 0.30 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.62 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=-\frac {{\left (x^{2} e^{\left (x + e^{x}\right )} \log \left (\frac {4}{x}\right ) - 15 \, e^{\left (x + 5\right )}\right )} e^{\left (-x\right )}}{x^{2} \log \left (\frac {4}{x}\right )} \]
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Time = 13.76 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.88 \[ \int \frac {15 e^5-30 e^5 \log \left (\frac {4}{x}\right )-e^{e^x+x} x^3 \log ^2\left (\frac {4}{x}\right )}{x^3 \log ^2\left (\frac {4}{x}\right )} \, dx=\frac {15\,{\mathrm {e}}^5}{x^2\,\ln \left (\frac {4}{x}\right )}-{\mathrm {e}}^{{\mathrm {e}}^x} \]
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