Integrand size = 13, antiderivative size = 16 \[ \int \frac {1-2 x}{3+5 x} \, dx=-\frac {2 x}{5}+\frac {11}{25} \log (3+5 x) \]
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Time = 0.01 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45} \[ \int \frac {1-2 x}{3+5 x} \, dx=\frac {11}{25} \log (5 x+3)-\frac {2 x}{5} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {2}{5}+\frac {11}{5 (3+5 x)}\right ) \, dx \\ & = -\frac {2 x}{5}+\frac {11}{25} \log (3+5 x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.06 \[ \int \frac {1-2 x}{3+5 x} \, dx=\frac {1}{25} (-6-10 x+11 \log (3+5 x)) \]
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Time = 1.81 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.69
method | result | size |
parallelrisch | \(-\frac {2 x}{5}+\frac {11 \ln \left (x +\frac {3}{5}\right )}{25}\) | \(11\) |
default | \(-\frac {2 x}{5}+\frac {11 \ln \left (3+5 x \right )}{25}\) | \(13\) |
norman | \(-\frac {2 x}{5}+\frac {11 \ln \left (3+5 x \right )}{25}\) | \(13\) |
meijerg | \(\frac {11 \ln \left (1+\frac {5 x}{3}\right )}{25}-\frac {2 x}{5}\) | \(13\) |
risch | \(-\frac {2 x}{5}+\frac {11 \ln \left (3+5 x \right )}{25}\) | \(13\) |
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Time = 0.22 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int \frac {1-2 x}{3+5 x} \, dx=-\frac {2}{5} \, x + \frac {11}{25} \, \log \left (5 \, x + 3\right ) \]
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Time = 0.03 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {1-2 x}{3+5 x} \, dx=- \frac {2 x}{5} + \frac {11 \log {\left (5 x + 3 \right )}}{25} \]
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Time = 0.20 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int \frac {1-2 x}{3+5 x} \, dx=-\frac {2}{5} \, x + \frac {11}{25} \, \log \left (5 \, x + 3\right ) \]
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Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81 \[ \int \frac {1-2 x}{3+5 x} \, dx=-\frac {2}{5} \, x + \frac {11}{25} \, \log \left ({\left | 5 \, x + 3 \right |}\right ) \]
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Time = 0.06 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.62 \[ \int \frac {1-2 x}{3+5 x} \, dx=\frac {11\,\ln \left (x+\frac {3}{5}\right )}{25}-\frac {2\,x}{5} \]
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