Integrand size = 29, antiderivative size = 18 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=5 \left (x+\frac {2 x^2}{3}+\log (x-\log (5))\right ) \]
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Time = 0.01 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.034, Rules used = {1864} \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=\frac {10 x^2}{3}+5 x+5 \log (x-\log (5)) \]
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Rule 1864
Rubi steps \begin{align*} \text {integral}& = \int \left (5+\frac {20 x}{3}+\frac {5}{x-\log (5)}\right ) \, dx \\ & = 5 x+\frac {10 x^2}{3}+5 \log (x-\log (5)) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.67 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=\frac {5}{3} \left (3 x+2 x^2-\log (5) (3+\log (25))+3 \log (x-\log (5))\right ) \]
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Time = 1.39 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06
method | result | size |
default | \(\frac {10 x^{2}}{3}+5 x +5 \ln \left (-\ln \left (5\right )+x \right )\) | \(19\) |
risch | \(\frac {10 x^{2}}{3}+5 x +5 \ln \left (-\ln \left (5\right )+x \right )\) | \(19\) |
parallelrisch | \(\frac {10 x^{2}}{3}+5 x +5 \ln \left (-\ln \left (5\right )+x \right )\) | \(19\) |
norman | \(5 x +\frac {10 x^{2}}{3}+5 \ln \left (3 \ln \left (5\right )-3 x \right )\) | \(21\) |
meijerg | \(-5 \ln \left (5\right ) \ln \left (1-\frac {x}{\ln \left (5\right )}\right )+5 \ln \left (1-\frac {x}{\ln \left (5\right )}\right )-\left (-\frac {20 \ln \left (5\right )}{3}+5\right ) \ln \left (5\right ) \left (-\frac {x}{\ln \left (5\right )}-\ln \left (1-\frac {x}{\ln \left (5\right )}\right )\right )+\frac {20 \ln \left (5\right )^{2} \left (\frac {x \left (\frac {3 x}{\ln \left (5\right )}+6\right )}{6 \ln \left (5\right )}+\ln \left (1-\frac {x}{\ln \left (5\right )}\right )\right )}{3}\) | \(91\) |
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Time = 0.24 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=\frac {10}{3} \, x^{2} + 5 \, x + 5 \, \log \left (x - \log \left (5\right )\right ) \]
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Time = 0.06 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=\frac {10 x^{2}}{3} + 5 x + 5 \log {\left (x - \log {\left (5 \right )} \right )} \]
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Time = 0.20 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=\frac {10}{3} \, x^{2} + 5 \, x + 5 \, \log \left (x - \log \left (5\right )\right ) \]
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=\frac {10}{3} \, x^{2} + 5 \, x + 5 \, \log \left ({\left | x - \log \left (5\right ) \right |}\right ) \]
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Time = 8.94 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {-15-15 x-20 x^2+(15+20 x) \log (5)}{-3 x+3 \log (5)} \, dx=5\,x+5\,\ln \left (x-\ln \left (5\right )\right )+\frac {10\,x^2}{3} \]
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