Integrand size = 49, antiderivative size = 20 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=\left (3+\log \left (\log \left (\frac {4 \left (-1+4 x^3\right )}{9 x^3}\right )\right )\right )^2 \]
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Time = 0.08 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.041, Rules used = {1607, 6818} \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=\left (\log \left (\log \left (-\frac {4 \left (1-4 x^3\right )}{9 x^3}\right )\right )+3\right )^2 \]
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Rule 1607
Rule 6818
Rubi steps \begin{align*} \text {integral}& = \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{x \left (-1+4 x^3\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx \\ & = \left (3+\log \left (\log \left (-\frac {4 \left (1-4 x^3\right )}{9 x^3}\right )\right )\right )^2 \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=\left (3+\log \left (\log \left (\frac {4}{9} \left (4-\frac {1}{x^3}\right )\right )\right )\right )^2 \]
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Leaf count of result is larger than twice the leaf count of optimal. \(51\) vs. \(2(18)=36\).
Time = 0.60 (sec) , antiderivative size = 52, normalized size of antiderivative = 2.60
method | result | size |
default | \(6 \ln \left (-2 \ln \left (2\right )+2 \ln \left (3\right )-\ln \left (\frac {4 x^{3}-1}{x^{3}}\right )\right )+{\ln \left (2 \ln \left (2\right )-2 \ln \left (3\right )+\ln \left (\frac {4 x^{3}-1}{x^{3}}\right )\right )}^{2}\) | \(52\) |
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none
Time = 0.25 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.65 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=\log \left (\log \left (\frac {4 \, {\left (4 \, x^{3} - 1\right )}}{9 \, x^{3}}\right )\right )^{2} + 6 \, \log \left (\log \left (\frac {4 \, {\left (4 \, x^{3} - 1\right )}}{9 \, x^{3}}\right )\right ) \]
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Time = 0.15 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.80 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=\log {\left (\log {\left (\frac {\frac {16 x^{3}}{9} - \frac {4}{9}}{x^{3}} \right )} \right )}^{2} + 6 \log {\left (\log {\left (\frac {\frac {16 x^{3}}{9} - \frac {4}{9}}{x^{3}} \right )} \right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 84 vs. \(2 (18) = 36\).
Time = 0.28 (sec) , antiderivative size = 84, normalized size of antiderivative = 4.20 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=-\log \left (-2 \, \log \left (3\right ) + 2 \, \log \left (2\right ) + \log \left (4 \, x^{3} - 1\right ) - 3 \, \log \left (x\right )\right )^{2} + 2 \, \log \left (-2 \, \log \left (3\right ) + 2 \, \log \left (2\right ) + \log \left (4 \, x^{3} - 1\right ) - 3 \, \log \left (x\right )\right ) \log \left (\log \left (-\frac {4}{9 \, x^{3}} + \frac {16}{9}\right )\right ) + 6 \, \log \left (-2 \, \log \left (3\right ) + 2 \, \log \left (2\right ) + \log \left (4 \, x^{3} - 1\right ) - 3 \, \log \left (x\right )\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 77 vs. \(2 (18) = 36\).
Time = 0.30 (sec) , antiderivative size = 77, normalized size of antiderivative = 3.85 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=-\log \left (-\log \left (9 \, x^{3}\right ) + \log \left (16 \, x^{3} - 4\right )\right )^{2} + 2 \, \log \left (-\log \left (9 \, x^{3}\right ) + \log \left (16 \, x^{3} - 4\right )\right ) \log \left (\log \left (\frac {4 \, {\left (4 \, x^{3} - 1\right )}}{9 \, x^{3}}\right )\right ) + 6 \, \log \left (-\log \left (9 \, x^{3}\right ) + \log \left (16 \, x^{3} - 4\right )\right ) \]
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Time = 13.15 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.45 \[ \int \frac {18+6 \log \left (\log \left (\frac {-4+16 x^3}{9 x^3}\right )\right )}{\left (-x+4 x^4\right ) \log \left (\frac {-4+16 x^3}{9 x^3}\right )} \, dx=\ln \left (\ln \left (\frac {\frac {16\,x^3}{9}-\frac {4}{9}}{x^3}\right )\right )\,\left (\ln \left (\ln \left (\frac {\frac {16\,x^3}{9}-\frac {4}{9}}{x^3}\right )\right )+6\right ) \]
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