Integrand size = 22, antiderivative size = 26 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=-\frac {25 x}{6}-\frac {121}{28} \log (1-2 x)+\frac {1}{63} \log (2+3 x) \]
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Time = 0.01 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {84} \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=-\frac {25 x}{6}-\frac {121}{28} \log (1-2 x)+\frac {1}{63} \log (3 x+2) \]
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Rule 84
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {25}{6}-\frac {121}{14 (-1+2 x)}+\frac {1}{21 (2+3 x)}\right ) \, dx \\ & = -\frac {25 x}{6}-\frac {121}{28} \log (1-2 x)+\frac {1}{63} \log (2+3 x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.23 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=-\frac {5}{6} (3+5 x)-\frac {121}{28} \log (5-10 x)+\frac {1}{63} \log (5 (2+3 x)) \]
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Time = 2.51 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.65
method | result | size |
parallelrisch | \(-\frac {25 x}{6}+\frac {\ln \left (\frac {2}{3}+x \right )}{63}-\frac {121 \ln \left (x -\frac {1}{2}\right )}{28}\) | \(17\) |
default | \(-\frac {25 x}{6}-\frac {121 \ln \left (-1+2 x \right )}{28}+\frac {\ln \left (2+3 x \right )}{63}\) | \(21\) |
norman | \(-\frac {25 x}{6}-\frac {121 \ln \left (-1+2 x \right )}{28}+\frac {\ln \left (2+3 x \right )}{63}\) | \(21\) |
risch | \(-\frac {25 x}{6}-\frac {121 \ln \left (-1+2 x \right )}{28}+\frac {\ln \left (2+3 x \right )}{63}\) | \(21\) |
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Time = 0.22 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.77 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=-\frac {25}{6} \, x + \frac {1}{63} \, \log \left (3 \, x + 2\right ) - \frac {121}{28} \, \log \left (2 \, x - 1\right ) \]
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Time = 0.06 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=- \frac {25 x}{6} - \frac {121 \log {\left (x - \frac {1}{2} \right )}}{28} + \frac {\log {\left (x + \frac {2}{3} \right )}}{63} \]
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Time = 0.21 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.77 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=-\frac {25}{6} \, x + \frac {1}{63} \, \log \left (3 \, x + 2\right ) - \frac {121}{28} \, \log \left (2 \, x - 1\right ) \]
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Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=-\frac {25}{6} \, x + \frac {1}{63} \, \log \left ({\left | 3 \, x + 2 \right |}\right ) - \frac {121}{28} \, \log \left ({\left | 2 \, x - 1 \right |}\right ) \]
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Time = 1.32 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.62 \[ \int \frac {(3+5 x)^2}{(1-2 x) (2+3 x)} \, dx=\frac {\ln \left (x+\frac {2}{3}\right )}{63}-\frac {121\,\ln \left (x-\frac {1}{2}\right )}{28}-\frac {25\,x}{6} \]
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