Integrand size = 15, antiderivative size = 38 \[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=-\frac {\left (a+b x^3\right )^{4/3} \operatorname {Hypergeometric2F1}\left (-\frac {1}{3},1,-\frac {2}{3},-\frac {b x^3}{a}\right )}{5 a x^5} \]
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Time = 0.01 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.34, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {372, 371} \[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=-\frac {\sqrt [3]{a+b x^3} \operatorname {Hypergeometric2F1}\left (-\frac {5}{3},-\frac {1}{3},-\frac {2}{3},-\frac {b x^3}{a}\right )}{5 x^5 \sqrt [3]{\frac {b x^3}{a}+1}} \]
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Rule 371
Rule 372
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt [3]{a+b x^3} \int \frac {\sqrt [3]{1+\frac {b x^3}{a}}}{x^6} \, dx}{\sqrt [3]{1+\frac {b x^3}{a}}} \\ & = -\frac {\sqrt [3]{a+b x^3} \, _2F_1\left (-\frac {5}{3},-\frac {1}{3};-\frac {2}{3};-\frac {b x^3}{a}\right )}{5 x^5 \sqrt [3]{1+\frac {b x^3}{a}}} \\ \end{align*}
Time = 10.01 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.34 \[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=-\frac {\sqrt [3]{a+b x^3} \operatorname {Hypergeometric2F1}\left (-\frac {5}{3},-\frac {1}{3},-\frac {2}{3},-\frac {b x^3}{a}\right )}{5 x^5 \sqrt [3]{1+\frac {b x^3}{a}}} \]
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\[\int \frac {\left (b \,x^{3}+a \right )^{\frac {1}{3}}}{x^{6}}d x\]
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\[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=\int { \frac {{\left (b x^{3} + a\right )}^{\frac {1}{3}}}{x^{6}} \,d x } \]
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Result contains complex when optimal does not.
Time = 0.62 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.11 \[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=\frac {\sqrt [3]{b} \Gamma \left (- \frac {4}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {4}{3} \\ \frac {7}{3} \end {matrix}\middle | {\frac {a e^{i \pi }}{b x^{3}}} \right )}}{3 x^{4} \Gamma \left (- \frac {1}{3}\right )} \]
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\[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=\int { \frac {{\left (b x^{3} + a\right )}^{\frac {1}{3}}}{x^{6}} \,d x } \]
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\[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=\int { \frac {{\left (b x^{3} + a\right )}^{\frac {1}{3}}}{x^{6}} \,d x } \]
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Timed out. \[ \int \frac {\sqrt [3]{a+b x^3}}{x^6} \, dx=\int \frac {{\left (b\,x^3+a\right )}^{1/3}}{x^6} \,d x \]
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