Integrand size = 72, antiderivative size = 16 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {x}{x+10 \left (x+\log \left (\frac {5}{2}+x\right )\right )} \]
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Time = 0.12 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.19, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {6820, 12, 6843, 32} \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=-\frac {10}{11 \left (\frac {11 x}{\log \left (x+\frac {5}{2}\right )}+10\right )} \]
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Rule 12
Rule 32
Rule 6820
Rule 6843
Rubi steps \begin{align*} \text {integral}& = \int \frac {10 \left (-2 x+(5+2 x) \log \left (\frac {5}{2}+x\right )\right )}{(5+2 x) \left (11 x+10 \log \left (\frac {5}{2}+x\right )\right )^2} \, dx \\ & = 10 \int \frac {-2 x+(5+2 x) \log \left (\frac {5}{2}+x\right )}{(5+2 x) \left (11 x+10 \log \left (\frac {5}{2}+x\right )\right )^2} \, dx \\ & = 10 \text {Subst}\left (\int \frac {1}{(10+11 x)^2} \, dx,x,\frac {x}{\log \left (\frac {5}{2}+x\right )}\right ) \\ & = -\frac {10}{11 \left (10+\frac {11 x}{\log \left (\frac {5}{2}+x\right )}\right )} \\ \end{align*}
Time = 0.32 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.06 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {10 x}{110 x+100 \log \left (\frac {5}{2}+x\right )} \]
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Time = 0.82 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.94
method | result | size |
risch | \(\frac {x}{11 x +10 \ln \left (\frac {5}{2}+x \right )}\) | \(15\) |
parallelrisch | \(\frac {x}{11 x +10 \ln \left (\frac {5}{2}+x \right )}\) | \(15\) |
derivativedivides | \(\frac {2 x}{22 x +20 \ln \left (\frac {5}{2}+x \right )}\) | \(16\) |
default | \(\frac {2 x}{22 x +20 \ln \left (\frac {5}{2}+x \right )}\) | \(16\) |
norman | \(-\frac {10 \ln \left (\frac {5}{2}+x \right )}{11 \left (11 x +10 \ln \left (\frac {5}{2}+x \right )\right )}\) | \(19\) |
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Time = 0.24 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {x}{11 \, x + 10 \, \log \left (x + \frac {5}{2}\right )} \]
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Time = 0.05 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {x}{11 x + 10 \log {\left (x + \frac {5}{2} \right )}} \]
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Time = 0.32 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.25 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {x}{11 \, x - 10 \, \log \left (2\right ) + 10 \, \log \left (2 \, x + 5\right )} \]
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Time = 0.29 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {x}{11 \, x + 10 \, \log \left (x + \frac {5}{2}\right )} \]
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Time = 13.11 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {-20 x+(50+20 x) \log \left (\frac {1}{2} (5+2 x)\right )}{605 x^2+242 x^3+\left (1100 x+440 x^2\right ) \log \left (\frac {1}{2} (5+2 x)\right )+(500+200 x) \log ^2\left (\frac {1}{2} (5+2 x)\right )} \, dx=\frac {x}{11\,x+10\,\ln \left (x+\frac {5}{2}\right )} \]
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