Integrand size = 53, antiderivative size = 20 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=3-x+\frac {(-12+x+\log (2)) (-1+\log (6+x))}{x} \]
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Leaf count is larger than twice the leaf count of optimal. \(84\) vs. \(2(20)=40\).
Time = 0.22 (sec) , antiderivative size = 84, normalized size of antiderivative = 4.20, number of steps used = 9, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.132, Rules used = {1607, 6874, 1634, 2442, 36, 29, 31} \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=-x-\frac {1}{36} (72-\log (64)) \log (x)+\frac {1}{6} (12-\log (2)) \log (x)+\frac {1}{36} (108-\log (64)) \log (x+6)-\frac {1}{6} (12-\log (2)) \log (x+6)-\frac {(12-\log (2)) \log (x+6)}{x}+\frac {72-\log (64)}{6 x} \]
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Rule 29
Rule 31
Rule 36
Rule 1607
Rule 1634
Rule 2442
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{x^2 (6+x)} \, dx \\ & = \int \left (\frac {-72-5 x^2-x^3-x (24-\log (4))+\log (64)}{x^2 (6+x)}-\frac {(-12+\log (2)) \log (6+x)}{x^2}\right ) \, dx \\ & = (12-\log (2)) \int \frac {\log (6+x)}{x^2} \, dx+\int \frac {-72-5 x^2-x^3-x (24-\log (4))+\log (64)}{x^2 (6+x)} \, dx \\ & = -\frac {(12-\log (2)) \log (6+x)}{x}+(12-\log (2)) \int \frac {1}{x (6+x)} \, dx+\int \left (-1+\frac {108-\log (64)}{36 (6+x)}+\frac {-72+\log (64)}{6 x^2}+\frac {-72+\log (64)}{36 x}\right ) \, dx \\ & = -x+\frac {72-\log (64)}{6 x}-\frac {1}{36} (72-\log (64)) \log (x)-\frac {(12-\log (2)) \log (6+x)}{x}+\frac {1}{36} (108-\log (64)) \log (6+x)+\frac {1}{6} (12-\log (2)) \int \frac {1}{x} \, dx+\frac {1}{6} (-12+\log (2)) \int \frac {1}{6+x} \, dx \\ & = -x+\frac {72-\log (64)}{6 x}+\frac {1}{6} (12-\log (2)) \log (x)-\frac {1}{36} (72-\log (64)) \log (x)-\frac {1}{6} (12-\log (2)) \log (6+x)-\frac {(12-\log (2)) \log (6+x)}{x}+\frac {1}{36} (108-\log (64)) \log (6+x) \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=-\frac {-12+x^2+\log (2)-(-12+x+\log (2)) \log (6+x)}{x} \]
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Time = 2.17 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.55
method | result | size |
norman | \(\frac {\left (\ln \left (2\right )-12\right ) \ln \left (6+x \right )+x \ln \left (6+x \right )-x^{2}-\ln \left (2\right )+12}{x}\) | \(31\) |
risch | \(\frac {\left (\ln \left (2\right )-12\right ) \ln \left (6+x \right )}{x}-\frac {-x \ln \left (6+x \right )+x^{2}+\ln \left (2\right )-12}{x}\) | \(33\) |
parallelrisch | \(\frac {\ln \left (2\right ) \ln \left (6+x \right )-x^{2}+x \ln \left (6+x \right )+12-\ln \left (2\right )+12 x -12 \ln \left (6+x \right )}{x}\) | \(38\) |
derivativedivides | \(\ln \left (2\right ) \left (\frac {\ln \left (6+x \right ) \left (6+x \right )}{6 x}-\frac {1}{x}-\frac {\ln \left (6+x \right )}{6}\right )-\frac {2 \ln \left (6+x \right ) \left (6+x \right )}{x}-6-x +\frac {12}{x}+3 \ln \left (6+x \right )\) | \(56\) |
default | \(\ln \left (2\right ) \left (\frac {\ln \left (6+x \right ) \left (6+x \right )}{6 x}-\frac {1}{x}-\frac {\ln \left (6+x \right )}{6}\right )-\frac {2 \ln \left (6+x \right ) \left (6+x \right )}{x}-6-x +\frac {12}{x}+3 \ln \left (6+x \right )\) | \(56\) |
parts | \(-x -\frac {\ln \left (2\right )-12}{x}+\left (\frac {\ln \left (2\right )}{6}-2\right ) \ln \left (x \right )+\left (-\frac {\ln \left (2\right )}{6}+3\right ) \ln \left (6+x \right )+\left (-\ln \left (2\right )+12\right ) \left (\frac {\ln \left (x \right )}{6}-\frac {\ln \left (6+x \right ) \left (6+x \right )}{6 x}\right )\) | \(58\) |
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Time = 0.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=-\frac {x^{2} - {\left (x + \log \left (2\right ) - 12\right )} \log \left (x + 6\right ) + \log \left (2\right ) - 12}{x} \]
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Time = 0.21 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.20 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=- x + \log {\left (x + 6 \right )} + \frac {\left (-12 + \log {\left (2 \right )}\right ) \log {\left (x + 6 \right )}}{x} - \frac {-12 + \log {\left (2 \right )}}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 79 vs. \(2 (20) = 40\).
Time = 0.31 (sec) , antiderivative size = 79, normalized size of antiderivative = 3.95 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=-\frac {1}{6} \, {\left (\frac {6}{x} - \log \left (x + 6\right ) + \log \left (x\right )\right )} \log \left (2\right ) - \frac {1}{3} \, {\left (\log \left (x + 6\right ) - \log \left (x\right )\right )} \log \left (2\right ) - \frac {1}{6} \, {\left (\log \left (2\right ) - 12\right )} \log \left (x\right ) - x + \frac {{\left (x {\left (\log \left (2\right ) - 12\right )} + 6 \, \log \left (2\right ) - 72\right )} \log \left (x + 6\right )}{6 \, x} + \frac {12}{x} + 3 \, \log \left (x + 6\right ) - 2 \, \log \left (x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.45 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=-x + \frac {{\left (\log \left (2\right ) - 12\right )} \log \left (x + 6\right )}{x} - \frac {\log \left (2\right ) - 12}{x} + \log \left (x + 6\right ) \]
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Time = 8.92 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {-72-24 x-5 x^2-x^3+(6+2 x) \log (2)+(72+12 x+(-6-x) \log (2)) \log (6+x)}{6 x^2+x^3} \, dx=\ln \left (x+6\right )-x+\frac {\left (\ln \left (x+6\right )-1\right )\,\left (\ln \left (2\right )-12\right )}{x} \]
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