Integrand size = 38, antiderivative size = 20 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=e^3+2 x+\frac {4 e^4}{x-\log (625)} \]
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Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.053, Rules used = {27, 697} \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=2 x+\frac {4 e^4}{x-\log (625)} \]
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Rule 27
Rule 697
Rubi steps \begin{align*} \text {integral}& = \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{(x-\log (625))^2} \, dx \\ & = \int \left (2-\frac {4 e^4}{(x-\log (625))^2}\right ) \, dx \\ & = 2 x+\frac {4 e^4}{x-\log (625)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=2 x+\frac {4 e^4}{x-\log (625)} \]
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Time = 0.86 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85
method | result | size |
default | \(2 x +\frac {4 \,{\mathrm e}^{4}}{x -4 \ln \left (5\right )}\) | \(17\) |
risch | \(2 x -\frac {{\mathrm e}^{4}}{\ln \left (5\right )-\frac {x}{4}}\) | \(17\) |
norman | \(\frac {-2 x^{2}+32 \ln \left (5\right )^{2}-4 \,{\mathrm e}^{4}}{4 \ln \left (5\right )-x}\) | \(28\) |
parallelrisch | \(\frac {-2 x^{2}+32 \ln \left (5\right )^{2}-4 \,{\mathrm e}^{4}}{4 \ln \left (5\right )-x}\) | \(28\) |
gosper | \(\frac {-2 x^{2}+32 \ln \left (5\right )^{2}-4 \,{\mathrm e}^{4}}{4 \ln \left (5\right )-x}\) | \(29\) |
meijerg | \(\frac {2 x}{1-\frac {x}{4 \ln \left (5\right )}}-16 \ln \left (5\right ) \left (\frac {x}{4 \ln \left (5\right ) \left (1-\frac {x}{4 \ln \left (5\right )}\right )}+\ln \left (1-\frac {x}{4 \ln \left (5\right )}\right )\right )-\frac {{\mathrm e}^{4} x}{4 \ln \left (5\right )^{2} \left (1-\frac {x}{4 \ln \left (5\right )}\right )}-8 \ln \left (5\right ) \left (-\frac {x \left (-\frac {3 x}{4 \ln \left (5\right )}+6\right )}{12 \ln \left (5\right ) \left (1-\frac {x}{4 \ln \left (5\right )}\right )}-2 \ln \left (1-\frac {x}{4 \ln \left (5\right )}\right )\right )\) | \(113\) |
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Time = 0.24 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=\frac {2 \, {\left (x^{2} - 4 \, x \log \left (5\right ) + 2 \, e^{4}\right )}}{x - 4 \, \log \left (5\right )} \]
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Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.70 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=2 x + \frac {4 e^{4}}{x - 4 \log {\left (5 \right )}} \]
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Time = 0.19 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=2 \, x + \frac {4 \, e^{4}}{x - 4 \, \log \left (5\right )} \]
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Time = 0.27 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=2 \, x + \frac {4 \, e^{4}}{x - 4 \, \log \left (5\right )} \]
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Time = 12.01 (sec) , antiderivative size = 59, normalized size of antiderivative = 2.95 \[ \int \frac {-4 e^4+2 x^2-4 x \log (625)+2 \log ^2(625)}{x^2-2 x \log (625)+\log ^2(625)} \, dx=2\,x+\frac {4\,\mathrm {atanh}\left (\frac {2\,x-8\,\ln \left (5\right )}{2\,\sqrt {4\,\ln \left (5\right )+\ln \left (625\right )}\,\sqrt {4\,\ln \left (5\right )-\ln \left (625\right )}}\right )\,{\mathrm {e}}^4}{\sqrt {4\,\ln \left (5\right )+\ln \left (625\right )}\,\sqrt {4\,\ln \left (5\right )-\ln \left (625\right )}} \]
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