Integrand size = 17, antiderivative size = 84 \[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\frac {b x \left (c+d x^3\right )^{1+q}}{d (4+3 q)}-\frac {(b c-a d (4+3 q)) x \left (c+d x^3\right )^{1+q} \operatorname {Hypergeometric2F1}\left (1,\frac {4}{3}+q,\frac {4}{3},-\frac {d x^3}{c}\right )}{c d (4+3 q)} \]
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Time = 0.03 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.01, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {396, 252, 251} \[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=x \left (c+d x^3\right )^q \left (\frac {d x^3}{c}+1\right )^{-q} \left (a-\frac {b c}{3 d q+4 d}\right ) \operatorname {Hypergeometric2F1}\left (\frac {1}{3},-q,\frac {4}{3},-\frac {d x^3}{c}\right )+\frac {b x \left (c+d x^3\right )^{q+1}}{d (3 q+4)} \]
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Rule 251
Rule 252
Rule 396
Rubi steps \begin{align*} \text {integral}& = \frac {b x \left (c+d x^3\right )^{1+q}}{d (4+3 q)}-\left (-a+\frac {b c}{4 d+3 d q}\right ) \int \left (c+d x^3\right )^q \, dx \\ & = \frac {b x \left (c+d x^3\right )^{1+q}}{d (4+3 q)}-\left (\left (-a+\frac {b c}{4 d+3 d q}\right ) \left (c+d x^3\right )^q \left (1+\frac {d x^3}{c}\right )^{-q}\right ) \int \left (1+\frac {d x^3}{c}\right )^q \, dx \\ & = \frac {b x \left (c+d x^3\right )^{1+q}}{d (4+3 q)}+\left (a-\frac {b c}{4 d+3 d q}\right ) x \left (c+d x^3\right )^q \left (1+\frac {d x^3}{c}\right )^{-q} \, _2F_1\left (\frac {1}{3},-q;\frac {4}{3};-\frac {d x^3}{c}\right ) \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.07 \[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\frac {x \left (c+d x^3\right )^q \left (1+\frac {d x^3}{c}\right )^{-q} \left (b \left (c+d x^3\right ) \left (1+\frac {d x^3}{c}\right )^q+(-b c+a d (4+3 q)) \operatorname {Hypergeometric2F1}\left (\frac {1}{3},-q,\frac {4}{3},-\frac {d x^3}{c}\right )\right )}{d (4+3 q)} \]
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\[\int \left (b \,x^{3}+a \right ) \left (d \,x^{3}+c \right )^{q}d x\]
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\[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\int { {\left (b x^{3} + a\right )} {\left (d x^{3} + c\right )}^{q} \,d x } \]
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Result contains complex when optimal does not.
Time = 34.20 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.89 \[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\frac {a c^{q} x \Gamma \left (\frac {1}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{3}, - q \\ \frac {4}{3} \end {matrix}\middle | {\frac {d x^{3} e^{i \pi }}{c}} \right )}}{3 \Gamma \left (\frac {4}{3}\right )} + \frac {b c^{q} x^{4} \Gamma \left (\frac {4}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {4}{3}, - q \\ \frac {7}{3} \end {matrix}\middle | {\frac {d x^{3} e^{i \pi }}{c}} \right )}}{3 \Gamma \left (\frac {7}{3}\right )} \]
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\[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\int { {\left (b x^{3} + a\right )} {\left (d x^{3} + c\right )}^{q} \,d x } \]
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\[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\int { {\left (b x^{3} + a\right )} {\left (d x^{3} + c\right )}^{q} \,d x } \]
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Timed out. \[ \int \left (a+b x^3\right ) \left (c+d x^3\right )^q \, dx=\int \left (b\,x^3+a\right )\,{\left (d\,x^3+c\right )}^q \,d x \]
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