Integrand size = 30, antiderivative size = 30 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {i \pi -x+e^2 \log (3)+\log \left (-4 \left (-e^2+\log (4)\right )\right )}{x} \]
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Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.90, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {12, 30} \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {i \pi +e^2 \log (3)+\log \left (4 \left (e^2-\log (4)\right )\right )}{x} \]
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Rule 12
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (-i \pi -e^2 \log (3)-\log \left (4 \left (e^2-\log (4)\right )\right )\right ) \int \frac {1}{x^2} \, dx \\ & = \frac {i \pi +e^2 \log (3)+\log \left (4 \left (e^2-\log (4)\right )\right )}{x} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.90 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {i \pi +e^2 \log (3)+\log \left (4 \left (e^2-\log (4)\right )\right )}{x} \]
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Time = 0.38 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.70
method | result | size |
gosper | \(\frac {{\mathrm e}^{2} \ln \left (3\right )+\ln \left (8 \ln \left (2\right )-4 \,{\mathrm e}^{2}\right )}{x}\) | \(21\) |
default | \(-\frac {-\ln \left (8 \ln \left (2\right )-4 \,{\mathrm e}^{2}\right )-{\mathrm e}^{2} \ln \left (3\right )}{x}\) | \(25\) |
norman | \(\frac {{\mathrm e}^{2} \ln \left (3\right )+2 \ln \left (2\right )+\ln \left (2 \ln \left (2\right )-{\mathrm e}^{2}\right )}{x}\) | \(25\) |
parallelrisch | \(-\frac {-\ln \left (8 \ln \left (2\right )-4 \,{\mathrm e}^{2}\right )-{\mathrm e}^{2} \ln \left (3\right )}{x}\) | \(25\) |
risch | \(\frac {{\mathrm e}^{2} \ln \left (3\right )}{x}+\frac {2 \ln \left (2\right )}{x}+\frac {\ln \left (2 \ln \left (2\right )-{\mathrm e}^{2}\right )}{x}\) | \(31\) |
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Time = 0.24 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.67 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {e^{2} \log \left (3\right ) + \log \left (-4 \, e^{2} + 8 \, \log \left (2\right )\right )}{x} \]
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Time = 0.04 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.97 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=- \frac {- e^{2} \log {\left (3 \right )} - \log {\left (- 2 \log {\left (2 \right )} + e^{2} \right )} - 2 \log {\left (2 \right )} - i \pi }{x} \]
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Time = 0.18 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.67 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {e^{2} \log \left (3\right ) + \log \left (-4 \, e^{2} + 8 \, \log \left (2\right )\right )}{x} \]
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Time = 0.26 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.67 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {e^{2} \log \left (3\right ) + \log \left (-4 \, e^{2} + 8 \, \log \left (2\right )\right )}{x} \]
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Time = 0.14 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.67 \[ \int \frac {-i \pi -e^2 \log (3)-\log \left (4 e^2-4 \log (4)\right )}{x^2} \, dx=\frac {\ln \left (8\,\ln \left (2\right )-4\,{\mathrm {e}}^2\right )+{\mathrm {e}}^2\,\ln \left (3\right )}{x} \]
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