Integrand size = 22, antiderivative size = 31 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=-\frac {2}{77} \log (1-2 x)-\frac {3}{7} \log (2+3 x)+\frac {5}{11} \log (3+5 x) \]
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Time = 0.01 (sec) , antiderivative size = 31, 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} \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=-\frac {2}{77} \log (1-2 x)-\frac {3}{7} \log (3 x+2)+\frac {5}{11} \log (5 x+3) \]
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Rule 84
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {4}{77 (-1+2 x)}-\frac {9}{7 (2+3 x)}+\frac {25}{11 (3+5 x)}\right ) \, dx \\ & = -\frac {2}{77} \log (1-2 x)-\frac {3}{7} \log (2+3 x)+\frac {5}{11} \log (3+5 x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=-\frac {2}{77} \log (1-2 x)-\frac {3}{7} \log (2+3 x)+\frac {5}{11} \log (3+5 x) \]
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Time = 2.56 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.65
method | result | size |
parallelrisch | \(-\frac {3 \ln \left (\frac {2}{3}+x \right )}{7}+\frac {5 \ln \left (x +\frac {3}{5}\right )}{11}-\frac {2 \ln \left (x -\frac {1}{2}\right )}{77}\) | \(20\) |
default | \(\frac {5 \ln \left (3+5 x \right )}{11}-\frac {2 \ln \left (-1+2 x \right )}{77}-\frac {3 \ln \left (2+3 x \right )}{7}\) | \(26\) |
norman | \(\frac {5 \ln \left (3+5 x \right )}{11}-\frac {2 \ln \left (-1+2 x \right )}{77}-\frac {3 \ln \left (2+3 x \right )}{7}\) | \(26\) |
risch | \(\frac {5 \ln \left (3+5 x \right )}{11}-\frac {2 \ln \left (-1+2 x \right )}{77}-\frac {3 \ln \left (2+3 x \right )}{7}\) | \(26\) |
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none
Time = 0.23 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.81 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=\frac {5}{11} \, \log \left (5 \, x + 3\right ) - \frac {3}{7} \, \log \left (3 \, x + 2\right ) - \frac {2}{77} \, \log \left (2 \, x - 1\right ) \]
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Time = 0.07 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.94 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=- \frac {2 \log {\left (x - \frac {1}{2} \right )}}{77} + \frac {5 \log {\left (x + \frac {3}{5} \right )}}{11} - \frac {3 \log {\left (x + \frac {2}{3} \right )}}{7} \]
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none
Time = 0.21 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.81 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=\frac {5}{11} \, \log \left (5 \, x + 3\right ) - \frac {3}{7} \, \log \left (3 \, x + 2\right ) - \frac {2}{77} \, \log \left (2 \, x - 1\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.90 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=\frac {5}{11} \, \log \left ({\left | 5 \, x + 3 \right |}\right ) - \frac {3}{7} \, \log \left ({\left | 3 \, x + 2 \right |}\right ) - \frac {2}{77} \, \log \left ({\left | 2 \, x - 1 \right |}\right ) \]
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Time = 1.26 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.61 \[ \int \frac {1}{(1-2 x) (2+3 x) (3+5 x)} \, dx=\frac {5\,\ln \left (x+\frac {3}{5}\right )}{11}-\frac {3\,\ln \left (x+\frac {2}{3}\right )}{7}-\frac {2\,\ln \left (x-\frac {1}{2}\right )}{77} \]
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