Integrand size = 20, antiderivative size = 28 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=-\frac {11}{5 (3+5 x)}+7 \log (2+3 x)-7 \log (3+5 x) \]
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Time = 0.01 (sec) , antiderivative size = 28, 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} \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=-\frac {11}{5 (5 x+3)}+7 \log (3 x+2)-7 \log (5 x+3) \]
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Rule 78
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {21}{2+3 x}+\frac {11}{(3+5 x)^2}-\frac {35}{3+5 x}\right ) \, dx \\ & = -\frac {11}{5 (3+5 x)}+7 \log (2+3 x)-7 \log (3+5 x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=-\frac {11}{5 (3+5 x)}+7 \log (5 (2+3 x))-7 \log (3+5 x) \]
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Time = 0.72 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.89
method | result | size |
risch | \(-\frac {11}{25 \left (x +\frac {3}{5}\right )}+7 \ln \left (2+3 x \right )-7 \ln \left (3+5 x \right )\) | \(25\) |
default | \(-\frac {11}{5 \left (3+5 x \right )}+7 \ln \left (2+3 x \right )-7 \ln \left (3+5 x \right )\) | \(27\) |
norman | \(\frac {11 x}{3 \left (3+5 x \right )}+7 \ln \left (2+3 x \right )-7 \ln \left (3+5 x \right )\) | \(28\) |
parallelrisch | \(\frac {105 \ln \left (\frac {2}{3}+x \right ) x -105 \ln \left (x +\frac {3}{5}\right ) x +63 \ln \left (\frac {2}{3}+x \right )-63 \ln \left (x +\frac {3}{5}\right )+11 x}{9+15 x}\) | \(40\) |
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none
Time = 0.22 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.32 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=-\frac {35 \, {\left (5 \, x + 3\right )} \log \left (5 \, x + 3\right ) - 35 \, {\left (5 \, x + 3\right )} \log \left (3 \, x + 2\right ) + 11}{5 \, {\left (5 \, x + 3\right )}} \]
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Time = 0.05 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.79 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=- 7 \log {\left (x + \frac {3}{5} \right )} + 7 \log {\left (x + \frac {2}{3} \right )} - \frac {11}{25 x + 15} \]
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none
Time = 0.21 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.93 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=-\frac {11}{5 \, {\left (5 \, x + 3\right )}} - 7 \, \log \left (5 \, x + 3\right ) + 7 \, \log \left (3 \, x + 2\right ) \]
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Time = 0.27 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.89 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=-\frac {11}{5 \, {\left (5 \, x + 3\right )}} + 7 \, \log \left ({\left | -\frac {1}{5 \, x + 3} - 3 \right |}\right ) \]
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Time = 0.04 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.64 \[ \int \frac {1-2 x}{(2+3 x) (3+5 x)^2} \, dx=14\,\mathrm {atanh}\left (30\,x+19\right )-\frac {11}{25\,\left (x+\frac {3}{5}\right )} \]
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