Integrand size = 21, antiderivative size = 62 \[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\frac {x \left (1+\frac {b x^3}{a}\right )^{2/3} \operatorname {AppellF1}\left (\frac {1}{3},\frac {8}{3},2,\frac {4}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )}{a^2 c^2 \left (a+b x^3\right )^{2/3}} \]
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Time = 0.02 (sec) , antiderivative size = 62, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {441, 440} \[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\frac {x \left (\frac {b x^3}{a}+1\right )^{2/3} \operatorname {AppellF1}\left (\frac {1}{3},\frac {8}{3},2,\frac {4}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )}{a^2 c^2 \left (a+b x^3\right )^{2/3}} \]
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Rule 440
Rule 441
Rubi steps \begin{align*} \text {integral}& = \frac {\left (1+\frac {b x^3}{a}\right )^{2/3} \int \frac {1}{\left (1+\frac {b x^3}{a}\right )^{8/3} \left (c+d x^3\right )^2} \, dx}{a^2 \left (a+b x^3\right )^{2/3}} \\ & = \frac {x \left (1+\frac {b x^3}{a}\right )^{2/3} F_1\left (\frac {1}{3};\frac {8}{3},2;\frac {4}{3};-\frac {b x^3}{a},-\frac {d x^3}{c}\right )}{a^2 c^2 \left (a+b x^3\right )^{2/3}} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(550\) vs. \(2(62)=124\).
Time = 10.98 (sec) , antiderivative size = 550, normalized size of antiderivative = 8.87 \[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\frac {\frac {b d \left (-6 b^2 c^2+21 a b c d+5 a^2 d^2\right ) x^4 \left (1+\frac {b x^3}{a}\right )^{2/3} \operatorname {AppellF1}\left (\frac {4}{3},\frac {2}{3},1,\frac {7}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )}{(-b c+a d)^3}+\frac {4 c \left (-4 a c x \left (15 a^4 d^3-6 b^4 c^2 x^3 \left (2 c+d x^3\right )+5 a^3 b d^2 \left (-9 c+4 d x^3\right )+a^2 b^2 d \left (45 c^2-21 c d x^3+5 d^2 x^6\right )+3 a b^3 c \left (-5 c^2+11 c d x^3+7 d^2 x^6\right )\right ) \operatorname {AppellF1}\left (\frac {1}{3},\frac {2}{3},1,\frac {4}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )+x^4 \left (5 a^4 d^3+10 a^3 b d^3 x^3-6 b^4 c^2 x^3 \left (c+d x^3\right )+a^2 b^2 d \left (24 c^2+24 c d x^3+5 d^2 x^6\right )+3 a b^3 c \left (-3 c^2+4 c d x^3+7 d^2 x^6\right )\right ) \left (3 a d \operatorname {AppellF1}\left (\frac {4}{3},\frac {2}{3},2,\frac {7}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )+2 b c \operatorname {AppellF1}\left (\frac {4}{3},\frac {5}{3},1,\frac {7}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )\right )\right )}{(b c-a d)^3 \left (a+b x^3\right ) \left (c+d x^3\right ) \left (4 a c \operatorname {AppellF1}\left (\frac {1}{3},\frac {2}{3},1,\frac {4}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )-x^3 \left (3 a d \operatorname {AppellF1}\left (\frac {4}{3},\frac {2}{3},2,\frac {7}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )+2 b c \operatorname {AppellF1}\left (\frac {4}{3},\frac {5}{3},1,\frac {7}{3},-\frac {b x^3}{a},-\frac {d x^3}{c}\right )\right )\right )}}{60 a^2 c^2 \left (a+b x^3\right )^{2/3}} \]
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\[\int \frac {1}{\left (b \,x^{3}+a \right )^{\frac {8}{3}} \left (d \,x^{3}+c \right )^{2}}d x\]
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Timed out. \[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\int \frac {1}{\left (a + b x^{3}\right )^{\frac {8}{3}} \left (c + d x^{3}\right )^{2}}\, dx \]
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\[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\int { \frac {1}{{\left (b x^{3} + a\right )}^{\frac {8}{3}} {\left (d x^{3} + c\right )}^{2}} \,d x } \]
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\[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\int { \frac {1}{{\left (b x^{3} + a\right )}^{\frac {8}{3}} {\left (d x^{3} + c\right )}^{2}} \,d x } \]
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Timed out. \[ \int \frac {1}{\left (a+b x^3\right )^{8/3} \left (c+d x^3\right )^2} \, dx=\int \frac {1}{{\left (b\,x^3+a\right )}^{8/3}\,{\left (d\,x^3+c\right )}^2} \,d x \]
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