Integrand size = 19, antiderivative size = 656 \[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)}-\frac {3 x}{32 \left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )}-\frac {\arctan \left (\frac {1}{\sqrt {3}}+\frac {\sqrt [3]{2} (2-3 x)}{\sqrt {3} \sqrt [3]{4+27 x^2}}\right )}{96 \sqrt [3]{2} \sqrt {3}}+\frac {\sqrt {2+\sqrt {3}} \left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} E\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right )|-7+4 \sqrt {3}\right )}{96\ 2^{2/3} 3^{3/4} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}}-\frac {\left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right ),-7+4 \sqrt {3}\right )}{144 \sqrt [6]{2} \sqrt [4]{3} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}}-\frac {\log (2+3 x)}{192 \sqrt [3]{2}}+\frac {\log \left (54-81 x-27\ 2^{2/3} \sqrt [3]{4+27 x^2}\right )}{192 \sqrt [3]{2}} \]
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Time = 0.30 (sec) , antiderivative size = 656, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.421, Rules used = {759, 849, 858, 241, 310, 225, 1893, 765} \[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=-\frac {\left (2^{2/3}-\sqrt [3]{27 x^2+4}\right ) \sqrt {\frac {\left (27 x^2+4\right )^{2/3}+2^{2/3} \sqrt [3]{27 x^2+4}+2 \sqrt [3]{2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}\right ),-7+4 \sqrt {3}\right )}{144 \sqrt [6]{2} \sqrt [4]{3} \sqrt {-\frac {2^{2/3}-\sqrt [3]{27 x^2+4}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}} x}+\frac {\sqrt {2+\sqrt {3}} \left (2^{2/3}-\sqrt [3]{27 x^2+4}\right ) \sqrt {\frac {\left (27 x^2+4\right )^{2/3}+2^{2/3} \sqrt [3]{27 x^2+4}+2 \sqrt [3]{2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}} E\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}\right )|-7+4 \sqrt {3}\right )}{96\ 2^{2/3} 3^{3/4} \sqrt {-\frac {2^{2/3}-\sqrt [3]{27 x^2+4}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}} x}-\frac {\arctan \left (\frac {\sqrt [3]{2} (2-3 x)}{\sqrt {3} \sqrt [3]{27 x^2+4}}+\frac {1}{\sqrt {3}}\right )}{96 \sqrt [3]{2} \sqrt {3}}-\frac {3 x}{32 \left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )}-\frac {\left (27 x^2+4\right )^{2/3}}{96 (3 x+2)}-\frac {\left (27 x^2+4\right )^{2/3}}{96 (3 x+2)^2}+\frac {\log \left (-27\ 2^{2/3} \sqrt [3]{27 x^2+4}-81 x+54\right )}{192 \sqrt [3]{2}}-\frac {\log (3 x+2)}{192 \sqrt [3]{2}} \]
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Rule 225
Rule 241
Rule 310
Rule 759
Rule 765
Rule 849
Rule 858
Rule 1893
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {3}{32} \int \frac {-4+2 x}{(2+3 x)^2 \sqrt [3]{4+27 x^2}} \, dx \\ & = -\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)}+\frac {\int \frac {192+144 x}{(2+3 x) \sqrt [3]{4+27 x^2}} \, dx}{1536} \\ & = -\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)}+\frac {1}{32} \int \frac {1}{\sqrt [3]{4+27 x^2}} \, dx+\frac {1}{16} \int \frac {1}{(2+3 x) \sqrt [3]{4+27 x^2}} \, dx \\ & = -\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)}-\frac {\tan ^{-1}\left (\frac {1}{\sqrt {3}}+\frac {\sqrt [3]{2} (2-3 x)}{\sqrt {3} \sqrt [3]{4+27 x^2}}\right )}{96 \sqrt [3]{2} \sqrt {3}}-\frac {\log (2+3 x)}{192 \sqrt [3]{2}}+\frac {\log \left (54-81 x-27\ 2^{2/3} \sqrt [3]{4+27 x^2}\right )}{192 \sqrt [3]{2}}+\frac {\sqrt {x^2} \text {Subst}\left (\int \frac {x}{\sqrt {-4+x^3}} \, dx,x,\sqrt [3]{4+27 x^2}\right )}{64 \sqrt {3} x} \\ & = -\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)}-\frac {\tan ^{-1}\left (\frac {1}{\sqrt {3}}+\frac {\sqrt [3]{2} (2-3 x)}{\sqrt {3} \sqrt [3]{4+27 x^2}}\right )}{96 \sqrt [3]{2} \sqrt {3}}-\frac {\log (2+3 x)}{192 \sqrt [3]{2}}+\frac {\log \left (54-81 x-27\ 2^{2/3} \sqrt [3]{4+27 x^2}\right )}{192 \sqrt [3]{2}}-\frac {\sqrt {x^2} \text {Subst}\left (\int \frac {2^{2/3} \left (1+\sqrt {3}\right )-x}{\sqrt {-4+x^3}} \, dx,x,\sqrt [3]{4+27 x^2}\right )}{64 \sqrt {3} x}+\frac {\left (\left (1+\sqrt {3}\right ) \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-4+x^3}} \, dx,x,\sqrt [3]{4+27 x^2}\right )}{32 \sqrt [3]{2} \sqrt {3} x} \\ & = -\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)^2}-\frac {\left (4+27 x^2\right )^{2/3}}{96 (2+3 x)}-\frac {3 x}{32 \left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )}-\frac {\tan ^{-1}\left (\frac {1}{\sqrt {3}}+\frac {\sqrt [3]{2} (2-3 x)}{\sqrt {3} \sqrt [3]{4+27 x^2}}\right )}{96 \sqrt [3]{2} \sqrt {3}}+\frac {\sqrt {2+\sqrt {3}} \left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} E\left (\sin ^{-1}\left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right )|-7+4 \sqrt {3}\right )}{96\ 2^{2/3} 3^{3/4} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}}-\frac {\left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} F\left (\sin ^{-1}\left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right )|-7+4 \sqrt {3}\right )}{144 \sqrt [6]{2} \sqrt [4]{3} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}}-\frac {\log (2+3 x)}{192 \sqrt [3]{2}}+\frac {\log \left (54-81 x-27\ 2^{2/3} \sqrt [3]{4+27 x^2}\right )}{192 \sqrt [3]{2}} \\ \end{align*}
Result contains higher order function than in optimal. Order 6 vs. order 4 in optimal.
Time = 18.83 (sec) , antiderivative size = 223, normalized size of antiderivative = 0.34 \[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=\frac {-12 \left (4+4 x+27 x^2+27 x^3\right )-4 \sqrt [3]{3} (2+3 x)^2 \sqrt [3]{\frac {-2 i \sqrt {3}+9 x}{2+3 x}} \sqrt [3]{\frac {2 i \sqrt {3}+9 x}{2+3 x}} \operatorname {AppellF1}\left (\frac {2}{3},\frac {1}{3},\frac {1}{3},\frac {5}{3},\frac {6-2 i \sqrt {3}}{6+9 x},\frac {6+2 i \sqrt {3}}{6+9 x}\right )+\sqrt [3]{6} \sqrt [3]{2 \sqrt {3}-9 i x} (2+3 x)^2 \left (-2 i+3 \sqrt {3} x\right ) \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {2}{3},\frac {5}{3},\frac {1}{2}+\frac {3}{4} i \sqrt {3} x\right )}{384 (2+3 x)^2 \sqrt [3]{4+27 x^2}} \]
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\[\int \frac {1}{\left (2+3 x \right )^{3} \left (27 x^{2}+4\right )^{\frac {1}{3}}}d x\]
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\[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=\int { \frac {1}{{\left (27 \, x^{2} + 4\right )}^{\frac {1}{3}} {\left (3 \, x + 2\right )}^{3}} \,d x } \]
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\[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=\int \frac {1}{\left (3 x + 2\right )^{3} \sqrt [3]{27 x^{2} + 4}}\, dx \]
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\[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=\int { \frac {1}{{\left (27 \, x^{2} + 4\right )}^{\frac {1}{3}} {\left (3 \, x + 2\right )}^{3}} \,d x } \]
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\[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=\int { \frac {1}{{\left (27 \, x^{2} + 4\right )}^{\frac {1}{3}} {\left (3 \, x + 2\right )}^{3}} \,d x } \]
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Timed out. \[ \int \frac {1}{(2+3 x)^3 \sqrt [3]{4+27 x^2}} \, dx=\int \frac {1}{{\left (3\,x+2\right )}^3\,{\left (27\,x^2+4\right )}^{1/3}} \,d x \]
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