Integrand size = 9, antiderivative size = 44 \[ \int \left (a+b x^3\right )^m \, dx=x \left (a+b x^3\right )^m \left (1+\frac {b x^3}{a}\right )^{-m} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},-m,\frac {4}{3},-\frac {b x^3}{a}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {252, 251} \[ \int \left (a+b x^3\right )^m \, dx=x \left (a+b x^3\right )^m \left (\frac {b x^3}{a}+1\right )^{-m} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},-m,\frac {4}{3},-\frac {b x^3}{a}\right ) \]
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Rule 251
Rule 252
Rubi steps \begin{align*} \text {integral}& = \left (\left (a+b x^3\right )^m \left (1+\frac {b x^3}{a}\right )^{-m}\right ) \int \left (1+\frac {b x^3}{a}\right )^m \, dx \\ & = x \left (a+b x^3\right )^m \left (1+\frac {b x^3}{a}\right )^{-m} \, _2F_1\left (\frac {1}{3},-m;\frac {4}{3};-\frac {b x^3}{a}\right ) \\ \end{align*}
Result contains higher order function than in optimal. Order 6 vs. order 5 in optimal.
Time = 0.18 (sec) , antiderivative size = 203, normalized size of antiderivative = 4.61 \[ \int \left (a+b x^3\right )^m \, dx=\frac {2^{-m} \left ((-1)^{2/3} \sqrt [3]{a}+\sqrt [3]{b} x\right ) \left (\frac {\sqrt [3]{a}+(-1)^{2/3} \sqrt [3]{b} x}{\left (1+\sqrt [3]{-1}\right ) \sqrt [3]{a}}\right )^{-m} \left (\frac {i \left (1+\frac {\sqrt [3]{b} x}{\sqrt [3]{a}}\right )}{3 i+\sqrt {3}}\right )^{-m} \left (a+b x^3\right )^m \operatorname {AppellF1}\left (1+m,-m,-m,2+m,-\frac {(-1)^{2/3} \left ((-1)^{2/3} \sqrt [3]{a}+\sqrt [3]{b} x\right )}{\left (1+\sqrt [3]{-1}\right ) \sqrt [3]{a}},\frac {i+\sqrt {3}-\frac {2 i \sqrt [3]{b} x}{\sqrt [3]{a}}}{3 i+\sqrt {3}}\right )}{\sqrt [3]{b} (1+m)} \]
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\[\int \left (b \,x^{3}+a \right )^{m}d x\]
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\[ \int \left (a+b x^3\right )^m \, dx=\int { {\left (b x^{3} + a\right )}^{m} \,d x } \]
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Result contains complex when optimal does not.
Time = 5.07 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.77 \[ \int \left (a+b x^3\right )^m \, dx=\frac {a^{m} x \Gamma \left (\frac {1}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{3}, - m \\ \frac {4}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {4}{3}\right )} \]
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\[ \int \left (a+b x^3\right )^m \, dx=\int { {\left (b x^{3} + a\right )}^{m} \,d x } \]
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\[ \int \left (a+b x^3\right )^m \, dx=\int { {\left (b x^{3} + a\right )}^{m} \,d x } \]
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Time = 5.43 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.93 \[ \int \left (a+b x^3\right )^m \, dx=\frac {x\,{\left (b\,x^3+a\right )}^m\,{{}}_2{\mathrm {F}}_1\left (\frac {1}{3},-m;\ \frac {4}{3};\ -\frac {b\,x^3}{a}\right )}{{\left (\frac {b\,x^3}{a}+1\right )}^m} \]
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