Integrand size = 29, antiderivative size = 18 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {3}{5} \left (-\frac {5}{3}+e^{225 \log ^2(x)}\right )^2 \]
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Time = 0.08 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.28, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.138, Rules used = {14, 2308, 2235, 2240} \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {3}{5} e^{450 \log ^2(x)}-2 e^{225 \log ^2(x)} \]
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Rule 14
Rule 2235
Rule 2240
Rule 2308
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {900 e^{225 \log ^2(x)} \log (x)}{x}+\frac {540 e^{450 \log ^2(x)} \log (x)}{x}\right ) \, dx \\ & = 540 \int \frac {e^{450 \log ^2(x)} \log (x)}{x} \, dx-900 \int \frac {e^{225 \log ^2(x)} \log (x)}{x} \, dx \\ & = 540 \text {Subst}\left (\int e^{450 x^2} x \, dx,x,\log (x)\right )-900 \text {Subst}\left (\int e^{225 x^2} x \, dx,x,\log (x)\right ) \\ & = -2 e^{225 \log ^2(x)}+\frac {3}{5} e^{450 \log ^2(x)} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {1}{15} \left (-5+3 e^{225 \log ^2(x)}\right )^2 \]
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Time = 1.43 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11
method | result | size |
risch | \(-2 \,{\mathrm e}^{225 \ln \left (x \right )^{2}}+\frac {3 \,{\mathrm e}^{450 \ln \left (x \right )^{2}}}{5}\) | \(20\) |
derivativedivides | \(-2 \,{\mathrm e}^{225 \ln \left (x \right )^{2}}+\frac {3 \,{\mathrm e}^{450 \ln \left (x \right )^{2}}}{5}\) | \(22\) |
default | \(-2 \,{\mathrm e}^{225 \ln \left (x \right )^{2}}+\frac {3 \,{\mathrm e}^{450 \ln \left (x \right )^{2}}}{5}\) | \(22\) |
norman | \(-2 \,{\mathrm e}^{225 \ln \left (x \right )^{2}}+\frac {3 \,{\mathrm e}^{450 \ln \left (x \right )^{2}}}{5}\) | \(22\) |
parallelrisch | \(-2 \,{\mathrm e}^{225 \ln \left (x \right )^{2}}+\frac {3 \,{\mathrm e}^{450 \ln \left (x \right )^{2}}}{5}\) | \(22\) |
parts | \(-2 \,{\mathrm e}^{225 \ln \left (x \right )^{2}}+\frac {3 \,{\mathrm e}^{450 \ln \left (x \right )^{2}}}{5}\) | \(22\) |
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Time = 0.23 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {3}{5} \, e^{\left (450 \, \log \left (x\right )^{2}\right )} - 2 \, e^{\left (225 \, \log \left (x\right )^{2}\right )} \]
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Time = 0.10 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {3 e^{450 \log {\left (x \right )}^{2}}}{5} - 2 e^{225 \log {\left (x \right )}^{2}} \]
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Time = 0.18 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {3}{5} \, e^{\left (450 \, \log \left (x\right )^{2}\right )} - 2 \, e^{\left (225 \, \log \left (x\right )^{2}\right )} \]
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {3}{5} \, e^{\left (450 \, \log \left (x\right )^{2}\right )} - 2 \, e^{\left (225 \, \log \left (x\right )^{2}\right )} \]
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Time = 10.08 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {-900 e^{225 \log ^2(x)} \log (x)+540 e^{450 \log ^2(x)} \log (x)}{x} \, dx=\frac {{\mathrm {e}}^{225\,{\ln \left (x\right )}^2}\,\left (3\,{\mathrm {e}}^{225\,{\ln \left (x\right )}^2}-10\right )}{5} \]
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