Integrand size = 20, antiderivative size = 21 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {11}{14} \log (1-2 x)-\frac {1}{21} \log (2+3 x) \]
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Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {78} \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {11}{14} \log (1-2 x)-\frac {1}{21} \log (3 x+2) \]
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Rule 78
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {11}{7 (-1+2 x)}-\frac {1}{7 (2+3 x)}\right ) \, dx \\ & = -\frac {11}{14} \log (1-2 x)-\frac {1}{21} \log (2+3 x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {11}{14} \log (1-2 x)-\frac {1}{21} \log (2+3 x) \]
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Time = 2.03 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67
method | result | size |
parallelrisch | \(-\frac {\ln \left (\frac {2}{3}+x \right )}{21}-\frac {11 \ln \left (x -\frac {1}{2}\right )}{14}\) | \(14\) |
default | \(-\frac {11 \ln \left (-1+2 x \right )}{14}-\frac {\ln \left (2+3 x \right )}{21}\) | \(18\) |
norman | \(-\frac {11 \ln \left (-1+2 x \right )}{14}-\frac {\ln \left (2+3 x \right )}{21}\) | \(18\) |
risch | \(-\frac {11 \ln \left (-1+2 x \right )}{14}-\frac {\ln \left (2+3 x \right )}{21}\) | \(18\) |
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none
Time = 0.22 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {1}{21} \, \log \left (3 \, x + 2\right ) - \frac {11}{14} \, \log \left (2 \, x - 1\right ) \]
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Time = 0.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=- \frac {11 \log {\left (x - \frac {1}{2} \right )}}{14} - \frac {\log {\left (x + \frac {2}{3} \right )}}{21} \]
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none
Time = 0.20 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {1}{21} \, \log \left (3 \, x + 2\right ) - \frac {11}{14} \, \log \left (2 \, x - 1\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {1}{21} \, \log \left ({\left | 3 \, x + 2 \right |}\right ) - \frac {11}{14} \, \log \left ({\left | 2 \, x - 1 \right |}\right ) \]
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Time = 0.08 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {3+5 x}{(1-2 x) (2+3 x)} \, dx=-\frac {11\,\ln \left (x-\frac {1}{2}\right )}{14}-\frac {\ln \left (x+\frac {2}{3}\right )}{21} \]
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