Integrand size = 13, antiderivative size = 34 \[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=\frac {f^a \Gamma \left (\frac {1}{3},-\frac {b \log (f)}{x^3}\right )}{3 x \sqrt [3]{-\frac {b \log (f)}{x^3}}} \]
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Time = 0.01 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {2250} \[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=\frac {f^a \Gamma \left (\frac {1}{3},-\frac {b \log (f)}{x^3}\right )}{3 x \sqrt [3]{-\frac {b \log (f)}{x^3}}} \]
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Rule 2250
Rubi steps \begin{align*} \text {integral}& = \frac {f^a \Gamma \left (\frac {1}{3},-\frac {b \log (f)}{x^3}\right )}{3 x \sqrt [3]{-\frac {b \log (f)}{x^3}}} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00 \[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=\frac {f^a \Gamma \left (\frac {1}{3},-\frac {b \log (f)}{x^3}\right )}{3 x \sqrt [3]{-\frac {b \log (f)}{x^3}}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(81\) vs. \(2(28)=56\).
Time = 0.06 (sec) , antiderivative size = 82, normalized size of antiderivative = 2.41
method | result | size |
meijerg | \(-\frac {f^{a} \left (\frac {2 \left (-b \right )^{\frac {1}{3}} \ln \left (f \right )^{\frac {1}{3}} \pi \sqrt {3}}{3 x \Gamma \left (\frac {2}{3}\right ) \left (-\frac {b \ln \left (f \right )}{x^{3}}\right )^{\frac {1}{3}}}-\frac {\left (-b \right )^{\frac {1}{3}} \ln \left (f \right )^{\frac {1}{3}} \Gamma \left (\frac {1}{3}, -\frac {b \ln \left (f \right )}{x^{3}}\right )}{x \left (-\frac {b \ln \left (f \right )}{x^{3}}\right )^{\frac {1}{3}}}\right )}{3 \left (-b \right )^{\frac {1}{3}} \ln \left (f \right )^{\frac {1}{3}}}\) | \(82\) |
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none
Time = 0.07 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.85 \[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=-\frac {\left (-b \log \left (f\right )\right )^{\frac {2}{3}} f^{a} \Gamma \left (\frac {1}{3}, -\frac {b \log \left (f\right )}{x^{3}}\right )}{3 \, b \log \left (f\right )} \]
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\[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=\int \frac {f^{a + \frac {b}{x^{3}}}}{x^{2}}\, dx \]
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none
Time = 0.07 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.82 \[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=\frac {f^{a} \Gamma \left (\frac {1}{3}, -\frac {b \log \left (f\right )}{x^{3}}\right )}{3 \, x \left (-\frac {b \log \left (f\right )}{x^{3}}\right )^{\frac {1}{3}}} \]
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\[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=\int { \frac {f^{a + \frac {b}{x^{3}}}}{x^{2}} \,d x } \]
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Time = 0.18 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.35 \[ \int \frac {f^{a+\frac {b}{x^3}}}{x^2} \, dx=-\frac {2\,\pi \,\sqrt {3}\,f^a-3\,f^a\,\Gamma \left (\frac {2}{3}\right )\,\Gamma \left (\frac {1}{3},-\frac {b\,\ln \left (f\right )}{x^3}\right )}{9\,x\,\Gamma \left (\frac {2}{3}\right )\,{\left (-\frac {b\,\ln \left (f\right )}{x^3}\right )}^{1/3}} \]
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