Integrand size = 47, antiderivative size = 25 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=\log \left (4 x+\frac {x}{3+\frac {x}{25+x^2+x (2+x)}}\right ) \]
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Time = 0.06 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08, number of steps used = 4, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {2099, 642} \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=-\log \left (6 x^2+7 x+75\right )+\log \left (26 x^2+30 x+325\right )+\log (x) \]
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Rule 642
Rule 2099
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{x}+\frac {-7-12 x}{75+7 x+6 x^2}+\frac {2 (15+26 x)}{325+30 x+26 x^2}\right ) \, dx \\ & = \log (x)+2 \int \frac {15+26 x}{325+30 x+26 x^2} \, dx+\int \frac {-7-12 x}{75+7 x+6 x^2} \, dx \\ & = \log (x)-\log \left (75+7 x+6 x^2\right )+\log \left (325+30 x+26 x^2\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=\log (x)-\log \left (75+7 x+6 x^2\right )+\log \left (325+30 x+26 x^2\right ) \]
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Time = 0.03 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96
method | result | size |
parallelrisch | \(\ln \left (x \right )-\ln \left (x^{2}+\frac {7}{6} x +\frac {25}{2}\right )+\ln \left (x^{2}+\frac {15}{13} x +\frac {25}{2}\right )\) | \(24\) |
default | \(-\ln \left (6 x^{2}+7 x +75\right )+\ln \left (26 x^{2}+30 x +325\right )+\ln \left (x \right )\) | \(28\) |
norman | \(-\ln \left (6 x^{2}+7 x +75\right )+\ln \left (26 x^{2}+30 x +325\right )+\ln \left (x \right )\) | \(28\) |
risch | \(-\ln \left (6 x^{2}+7 x +75\right )+\ln \left (26 x^{3}+30 x^{2}+325 x \right )\) | \(30\) |
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Time = 0.24 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.16 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=\log \left (26 \, x^{3} + 30 \, x^{2} + 325 \, x\right ) - \log \left (6 \, x^{2} + 7 \, x + 75\right ) \]
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Time = 0.06 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.04 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=- \log {\left (6 x^{2} + 7 x + 75 \right )} + \log {\left (26 x^{3} + 30 x^{2} + 325 x \right )} \]
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none
Time = 0.18 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=\log \left (26 \, x^{2} + 30 \, x + 325\right ) - \log \left (6 \, x^{2} + 7 \, x + 75\right ) + \log \left (x\right ) \]
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Time = 0.28 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.12 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=\log \left (26 \, x^{2} + 30 \, x + 325\right ) - \log \left (6 \, x^{2} + 7 \, x + 75\right ) + \log \left ({\left | x \right |}\right ) \]
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Time = 0.12 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \frac {24375+4500 x+4110 x^2+364 x^3+156 x^4}{24375 x+4525 x^2+4110 x^3+362 x^4+156 x^5} \, dx=\ln \left (x\,\left (26\,x^2+30\,x+325\right )\right )-\ln \left (x^2+\frac {7\,x}{6}+\frac {25}{2}\right ) \]
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