Integrand size = 44, antiderivative size = 26 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=-e^{4+x} x+\left (2-e^4-\frac {2}{x}\right ) \log ^4(x) \]
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Time = 0.20 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.42, number of steps used = 17, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.205, Rules used = {14, 2207, 2225, 6874, 2395, 2342, 2341, 2339, 30} \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=e^{x+4}-e^{x+4} (x+1)-\frac {2 \log ^4(x)}{x}+\left (2-e^4\right ) \log ^4(x) \]
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Rule 14
Rule 30
Rule 2207
Rule 2225
Rule 2339
Rule 2341
Rule 2342
Rule 2395
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (-e^{4+x} (1+x)+\frac {2 \log ^3(x) \left (-4+4 \left (1-\frac {e^4}{2}\right ) x+\log (x)\right )}{x^2}\right ) \, dx \\ & = 2 \int \frac {\log ^3(x) \left (-4+4 \left (1-\frac {e^4}{2}\right ) x+\log (x)\right )}{x^2} \, dx-\int e^{4+x} (1+x) \, dx \\ & = -e^{4+x} (1+x)+2 \int \left (\frac {2 \left (-2+\left (2-e^4\right ) x\right ) \log ^3(x)}{x^2}+\frac {\log ^4(x)}{x^2}\right ) \, dx+\int e^{4+x} \, dx \\ & = e^{4+x}-e^{4+x} (1+x)+2 \int \frac {\log ^4(x)}{x^2} \, dx+4 \int \frac {\left (-2+\left (2-e^4\right ) x\right ) \log ^3(x)}{x^2} \, dx \\ & = e^{4+x}-e^{4+x} (1+x)-\frac {2 \log ^4(x)}{x}+4 \int \left (-\frac {2 \log ^3(x)}{x^2}+\frac {\left (2-e^4\right ) \log ^3(x)}{x}\right ) \, dx+8 \int \frac {\log ^3(x)}{x^2} \, dx \\ & = e^{4+x}-e^{4+x} (1+x)-\frac {8 \log ^3(x)}{x}-\frac {2 \log ^4(x)}{x}-8 \int \frac {\log ^3(x)}{x^2} \, dx+24 \int \frac {\log ^2(x)}{x^2} \, dx+\left (4 \left (2-e^4\right )\right ) \int \frac {\log ^3(x)}{x} \, dx \\ & = e^{4+x}-e^{4+x} (1+x)-\frac {24 \log ^2(x)}{x}-\frac {2 \log ^4(x)}{x}-24 \int \frac {\log ^2(x)}{x^2} \, dx+48 \int \frac {\log (x)}{x^2} \, dx+\left (4 \left (2-e^4\right )\right ) \text {Subst}\left (\int x^3 \, dx,x,\log (x)\right ) \\ & = e^{4+x}-\frac {48}{x}-e^{4+x} (1+x)-\frac {48 \log (x)}{x}+\left (2-e^4\right ) \log ^4(x)-\frac {2 \log ^4(x)}{x}-48 \int \frac {\log (x)}{x^2} \, dx \\ & = e^{4+x}-e^{4+x} (1+x)+\left (2-e^4\right ) \log ^4(x)-\frac {2 \log ^4(x)}{x} \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=-e^{4+x} x+\left (2-e^4-\frac {2}{x}\right ) \log ^4(x) \]
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Time = 0.76 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04
method | result | size |
risch | \(-\frac {\left (x \,{\mathrm e}^{4}-2 x +2\right ) \ln \left (x \right )^{4}}{x}-x \,{\mathrm e}^{4+x}\) | \(27\) |
default | \(-\left (4+x \right ) {\mathrm e}^{4+x}+4 \,{\mathrm e}^{4+x}-\frac {2 \ln \left (x \right )^{4}}{x}-{\mathrm e}^{4} \ln \left (x \right )^{4}+2 \ln \left (x \right )^{4}\) | \(40\) |
parts | \(-\left (4+x \right ) {\mathrm e}^{4+x}+4 \,{\mathrm e}^{4+x}-\frac {2 \ln \left (x \right )^{4}}{x}-{\mathrm e}^{4} \ln \left (x \right )^{4}+2 \ln \left (x \right )^{4}\) | \(40\) |
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Time = 0.26 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.08 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=-\frac {{\left (x e^{4} - 2 \, x + 2\right )} \log \left (x\right )^{4} + x^{2} e^{\left (x + 4\right )}}{x} \]
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Time = 0.12 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=- x e^{x + 4} + \frac {\left (- x e^{4} + 2 x - 2\right ) \log {\left (x \right )}^{4}}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 82 vs. \(2 (23) = 46\).
Time = 0.19 (sec) , antiderivative size = 82, normalized size of antiderivative = 3.15 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=-e^{4} \log \left (x\right )^{4} + 2 \, \log \left (x\right )^{4} - {\left (x e^{4} - e^{4}\right )} e^{x} - \frac {2 \, {\left (\log \left (x\right )^{4} + 4 \, \log \left (x\right )^{3} + 12 \, \log \left (x\right )^{2} + 24 \, \log \left (x\right ) + 24\right )}}{x} + \frac {8 \, {\left (\log \left (x\right )^{3} + 3 \, \log \left (x\right )^{2} + 6 \, \log \left (x\right ) + 6\right )}}{x} - e^{\left (x + 4\right )} \]
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Time = 0.26 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.35 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=-\frac {x e^{4} \log \left (x\right )^{4} - 2 \, x \log \left (x\right )^{4} + 2 \, \log \left (x\right )^{4} + x^{2} e^{\left (x + 4\right )}}{x} \]
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Time = 8.88 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04 \[ \int \frac {e^{4+x} \left (-x^2-x^3\right )+\left (-8+8 x-4 e^4 x\right ) \log ^3(x)+2 \log ^4(x)}{x^2} \, dx=-x\,{\mathrm {e}}^{x+4}-{\ln \left (x\right )}^4\,\left ({\mathrm {e}}^4-2\right )-\frac {2\,{\ln \left (x\right )}^4}{x} \]
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