Integrand size = 29, antiderivative size = 15 \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {6^{\frac {-1+15 x}{x^4}}}{x} \]
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Leaf count is larger than twice the leaf count of optimal. \(39\) vs. \(2(15)=30\).
Time = 0.05 (sec) , antiderivative size = 39, normalized size of antiderivative = 2.60, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.034, Rules used = {2326} \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {6^{-\frac {1-15 x}{x^4}} (4-45 x)}{\left (\frac {4 (1-15 x)}{x^5}+\frac {15}{x^4}\right ) x^6} \]
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Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {6^{-\frac {1-15 x}{x^4}} (4-45 x)}{\left (\frac {4 (1-15 x)}{x^5}+\frac {15}{x^4}\right ) x^6} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {6^{\frac {-1+15 x}{x^4}}}{x} \]
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Time = 0.49 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.13
method | result | size |
gosper | \(\frac {{\mathrm e}^{\frac {\left (15 x -1\right ) \ln \left (6\right )}{x^{4}}}}{x}\) | \(17\) |
norman | \(\frac {{\mathrm e}^{\frac {\left (15 x -1\right ) \ln \left (6\right )}{x^{4}}}}{x}\) | \(17\) |
parallelrisch | \(\frac {{\mathrm e}^{\frac {\left (15 x -1\right ) \ln \left (6\right )}{x^{4}}}}{x}\) | \(17\) |
risch | \(\frac {{\mathrm e}^{\frac {\left (15 x -1\right ) \left (\ln \left (2\right )+\ln \left (3\right )\right )}{x^{4}}}}{x}\) | \(20\) |
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none
Time = 0.28 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {6^{\frac {15 \, x - 1}{x^{4}}}}{x} \]
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Time = 0.08 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {e^{\frac {\left (15 x - 1\right ) \log {\left (6 \right )}}{x^{4}}}}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 34 vs. \(2 (15) = 30\).
Time = 0.33 (sec) , antiderivative size = 34, normalized size of antiderivative = 2.27 \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {e^{\left (\frac {15 \, \log \left (3\right )}{x^{3}} + \frac {15 \, \log \left (2\right )}{x^{3}} - \frac {\log \left (3\right )}{x^{4}} - \frac {\log \left (2\right )}{x^{4}}\right )}}{x} \]
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\[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\int { -\frac {{\left (x^{4} + {\left (45 \, x - 4\right )} \log \left (6\right )\right )} 6^{\frac {15 \, x - 1}{x^{4}}}}{x^{6}} \,d x } \]
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Time = 14.51 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {6^{\frac {-1+15 x}{x^4}} \left (-x^4+(4-45 x) \log (6)\right )}{x^6} \, dx=\frac {6^{\frac {15\,x-1}{x^4}}}{x} \]
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