Integrand size = 22, antiderivative size = 581 \[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=-\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}-\frac {11 x}{648 \left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )}+\frac {11 \arctan \left (\frac {\sqrt {3}}{x}\right )}{216\ 2^{2/3} \sqrt {3}}+\frac {11 \arctan \left (\frac {\sqrt {3} \left (1-\sqrt [3]{2} \sqrt [3]{1-x^2}\right )}{x}\right )}{216\ 2^{2/3} \sqrt {3}}-\frac {11 \text {arctanh}(x)}{648\ 2^{2/3}}+\frac {11 \text {arctanh}\left (\frac {x}{1+\sqrt [3]{2} \sqrt [3]{1-x^2}}\right )}{216\ 2^{2/3}}-\frac {11 \sqrt {2+\sqrt {3}} \left (1-\sqrt [3]{1-x^2}\right ) \sqrt {\frac {1+\sqrt [3]{1-x^2}+\left (1-x^2\right )^{2/3}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}} E\left (\arcsin \left (\frac {1+\sqrt {3}-\sqrt [3]{1-x^2}}{1-\sqrt {3}-\sqrt [3]{1-x^2}}\right )|-7+4 \sqrt {3}\right )}{432\ 3^{3/4} x \sqrt {-\frac {1-\sqrt [3]{1-x^2}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}}}+\frac {11 \left (1-\sqrt [3]{1-x^2}\right ) \sqrt {\frac {1+\sqrt [3]{1-x^2}+\left (1-x^2\right )^{2/3}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {1+\sqrt {3}-\sqrt [3]{1-x^2}}{1-\sqrt {3}-\sqrt [3]{1-x^2}}\right ),-7+4 \sqrt {3}\right )}{324 \sqrt {2} \sqrt [4]{3} x \sqrt {-\frac {1-\sqrt [3]{1-x^2}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}}} \]
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Time = 0.26 (sec) , antiderivative size = 581, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {483, 597, 544, 241, 310, 225, 1893, 402} \[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\frac {11 \left (1-\sqrt [3]{1-x^2}\right ) \sqrt {\frac {\left (1-x^2\right )^{2/3}+\sqrt [3]{1-x^2}+1}{\left (-\sqrt [3]{1-x^2}-\sqrt {3}+1\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {-\sqrt [3]{1-x^2}+\sqrt {3}+1}{-\sqrt [3]{1-x^2}-\sqrt {3}+1}\right ),-7+4 \sqrt {3}\right )}{324 \sqrt {2} \sqrt [4]{3} \sqrt {-\frac {1-\sqrt [3]{1-x^2}}{\left (-\sqrt [3]{1-x^2}-\sqrt {3}+1\right )^2}} x}-\frac {11 \sqrt {2+\sqrt {3}} \left (1-\sqrt [3]{1-x^2}\right ) \sqrt {\frac {\left (1-x^2\right )^{2/3}+\sqrt [3]{1-x^2}+1}{\left (-\sqrt [3]{1-x^2}-\sqrt {3}+1\right )^2}} E\left (\arcsin \left (\frac {-\sqrt [3]{1-x^2}+\sqrt {3}+1}{-\sqrt [3]{1-x^2}-\sqrt {3}+1}\right )|-7+4 \sqrt {3}\right )}{432\ 3^{3/4} \sqrt {-\frac {1-\sqrt [3]{1-x^2}}{\left (-\sqrt [3]{1-x^2}-\sqrt {3}+1\right )^2}} x}+\frac {11 \arctan \left (\frac {\sqrt {3} \left (1-\sqrt [3]{2} \sqrt [3]{1-x^2}\right )}{x}\right )}{216\ 2^{2/3} \sqrt {3}}+\frac {11 \arctan \left (\frac {\sqrt {3}}{x}\right )}{216\ 2^{2/3} \sqrt {3}}+\frac {11 \text {arctanh}\left (\frac {x}{\sqrt [3]{2} \sqrt [3]{1-x^2}+1}\right )}{216\ 2^{2/3}}-\frac {11 \text {arctanh}(x)}{648\ 2^{2/3}}-\frac {11 x}{648 \left (-\sqrt [3]{1-x^2}-\sqrt {3}+1\right )}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}-\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {\left (1-x^2\right )^{2/3}}{24 \left (x^2+3\right ) x^3} \]
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Rule 225
Rule 241
Rule 310
Rule 402
Rule 483
Rule 544
Rule 597
Rule 1893
Rubi steps \begin{align*} \text {integral}& = \frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}-\frac {1}{24} \int \frac {-11+\frac {11 x^2}{3}}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )} \, dx \\ & = -\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}+\frac {1}{216} \int \frac {-11+\frac {55 x^2}{3}}{x^2 \sqrt [3]{1-x^2} \left (3+x^2\right )} \, dx \\ & = -\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}-\frac {1}{648} \int \frac {-77-\frac {11 x^2}{3}}{\sqrt [3]{1-x^2} \left (3+x^2\right )} \, dx \\ & = -\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}+\frac {11 \int \frac {1}{\sqrt [3]{1-x^2}} \, dx}{1944}+\frac {11}{108} \int \frac {1}{\sqrt [3]{1-x^2} \left (3+x^2\right )} \, dx \\ & = -\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}+\frac {11 \tan ^{-1}\left (\frac {\sqrt {3}}{x}\right )}{216\ 2^{2/3} \sqrt {3}}+\frac {11 \tan ^{-1}\left (\frac {\sqrt {3} \left (1-\sqrt [3]{2} \sqrt [3]{1-x^2}\right )}{x}\right )}{216\ 2^{2/3} \sqrt {3}}-\frac {11 \tanh ^{-1}(x)}{648\ 2^{2/3}}+\frac {11 \tanh ^{-1}\left (\frac {x}{1+\sqrt [3]{2} \sqrt [3]{1-x^2}}\right )}{216\ 2^{2/3}}-\frac {\left (11 \sqrt {-x^2}\right ) \text {Subst}\left (\int \frac {x}{\sqrt {-1+x^3}} \, dx,x,\sqrt [3]{1-x^2}\right )}{1296 x} \\ & = -\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}+\frac {11 \tan ^{-1}\left (\frac {\sqrt {3}}{x}\right )}{216\ 2^{2/3} \sqrt {3}}+\frac {11 \tan ^{-1}\left (\frac {\sqrt {3} \left (1-\sqrt [3]{2} \sqrt [3]{1-x^2}\right )}{x}\right )}{216\ 2^{2/3} \sqrt {3}}-\frac {11 \tanh ^{-1}(x)}{648\ 2^{2/3}}+\frac {11 \tanh ^{-1}\left (\frac {x}{1+\sqrt [3]{2} \sqrt [3]{1-x^2}}\right )}{216\ 2^{2/3}}+\frac {\left (11 \sqrt {-x^2}\right ) \text {Subst}\left (\int \frac {1+\sqrt {3}-x}{\sqrt {-1+x^3}} \, dx,x,\sqrt [3]{1-x^2}\right )}{1296 x}-\frac {\left (11 \left (1+\sqrt {3}\right ) \sqrt {-x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-1+x^3}} \, dx,x,\sqrt [3]{1-x^2}\right )}{1296 x} \\ & = -\frac {11 \left (1-x^2\right )^{2/3}}{216 x^3}+\frac {11 \left (1-x^2\right )^{2/3}}{648 x}+\frac {\left (1-x^2\right )^{2/3}}{24 x^3 \left (3+x^2\right )}-\frac {11 x}{648 \left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )}+\frac {11 \tan ^{-1}\left (\frac {\sqrt {3}}{x}\right )}{216\ 2^{2/3} \sqrt {3}}+\frac {11 \tan ^{-1}\left (\frac {\sqrt {3} \left (1-\sqrt [3]{2} \sqrt [3]{1-x^2}\right )}{x}\right )}{216\ 2^{2/3} \sqrt {3}}-\frac {11 \tanh ^{-1}(x)}{648\ 2^{2/3}}+\frac {11 \tanh ^{-1}\left (\frac {x}{1+\sqrt [3]{2} \sqrt [3]{1-x^2}}\right )}{216\ 2^{2/3}}-\frac {11 \sqrt {2+\sqrt {3}} \left (1-\sqrt [3]{1-x^2}\right ) \sqrt {\frac {1+\sqrt [3]{1-x^2}+\left (1-x^2\right )^{2/3}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}} E\left (\sin ^{-1}\left (\frac {1+\sqrt {3}-\sqrt [3]{1-x^2}}{1-\sqrt {3}-\sqrt [3]{1-x^2}}\right )|-7+4 \sqrt {3}\right )}{432\ 3^{3/4} x \sqrt {-\frac {1-\sqrt [3]{1-x^2}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}}}+\frac {11 \left (1-\sqrt [3]{1-x^2}\right ) \sqrt {\frac {1+\sqrt [3]{1-x^2}+\left (1-x^2\right )^{2/3}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}} F\left (\sin ^{-1}\left (\frac {1+\sqrt {3}-\sqrt [3]{1-x^2}}{1-\sqrt {3}-\sqrt [3]{1-x^2}}\right )|-7+4 \sqrt {3}\right )}{324 \sqrt {2} \sqrt [4]{3} x \sqrt {-\frac {1-\sqrt [3]{1-x^2}}{\left (1-\sqrt {3}-\sqrt [3]{1-x^2}\right )^2}}} \\ \end{align*}
Result contains higher order function than in optimal. Order 6 vs. order 4 in optimal.
Time = 10.11 (sec) , antiderivative size = 173, normalized size of antiderivative = 0.30 \[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\frac {11 x^6 \operatorname {AppellF1}\left (\frac {3}{2},\frac {1}{3},1,\frac {5}{2},x^2,-\frac {x^2}{3}\right )+\frac {27 \left (-72+72 x^2+11 x^4-11 x^6+\frac {693 x^4 \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{3},1,\frac {3}{2},x^2,-\frac {x^2}{3}\right )}{9 \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{3},1,\frac {3}{2},x^2,-\frac {x^2}{3}\right )+2 x^2 \left (-\operatorname {AppellF1}\left (\frac {3}{2},\frac {1}{3},2,\frac {5}{2},x^2,-\frac {x^2}{3}\right )+\operatorname {AppellF1}\left (\frac {3}{2},\frac {4}{3},1,\frac {5}{2},x^2,-\frac {x^2}{3}\right )\right )}\right )}{\sqrt [3]{1-x^2} \left (3+x^2\right )}}{17496 x^3} \]
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\[\int \frac {1}{x^{4} \left (-x^{2}+1\right )^{\frac {1}{3}} \left (x^{2}+3\right )^{2}}d x\]
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\[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\int { \frac {1}{{\left (x^{2} + 3\right )}^{2} {\left (-x^{2} + 1\right )}^{\frac {1}{3}} x^{4}} \,d x } \]
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\[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\int \frac {1}{x^{4} \sqrt [3]{- \left (x - 1\right ) \left (x + 1\right )} \left (x^{2} + 3\right )^{2}}\, dx \]
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\[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\int { \frac {1}{{\left (x^{2} + 3\right )}^{2} {\left (-x^{2} + 1\right )}^{\frac {1}{3}} x^{4}} \,d x } \]
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\[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\int { \frac {1}{{\left (x^{2} + 3\right )}^{2} {\left (-x^{2} + 1\right )}^{\frac {1}{3}} x^{4}} \,d x } \]
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Timed out. \[ \int \frac {1}{x^4 \sqrt [3]{1-x^2} \left (3+x^2\right )^2} \, dx=\int \frac {1}{x^4\,{\left (1-x^2\right )}^{1/3}\,{\left (x^2+3\right )}^2} \,d x \]
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