Integrand size = 25, antiderivative size = 149 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\frac {\left (-8-13 x^3\right ) \left (1+x^3\right )^{2/3}}{80 x^5}+\frac {\sqrt [6]{3} \arctan \left (\frac {3^{5/6} x}{\sqrt [3]{3} x+2\ 2^{2/3} \sqrt [3]{1+x^3}}\right )}{16 \sqrt [3]{2}}-\frac {\log \left (-3 x+6^{2/3} \sqrt [3]{1+x^3}\right )}{16 \sqrt [3]{6}}+\frac {\log \left (3 x^2+6^{2/3} x \sqrt [3]{1+x^3}+2 \sqrt [3]{6} \left (1+x^3\right )^{2/3}\right )}{32 \sqrt [3]{6}} \]
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Time = 0.06 (sec) , antiderivative size = 126, normalized size of antiderivative = 0.85, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {594, 597, 12, 384} \[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\frac {\sqrt [6]{3} \arctan \left (\frac {\frac {\sqrt [3]{6} x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )}{16 \sqrt [3]{2}}+\frac {\log \left (x^3+4\right )}{32 \sqrt [3]{6}}-\frac {3^{2/3} \log \left (\frac {\sqrt [3]{3} x}{2^{2/3}}-\sqrt [3]{x^3+1}\right )}{32 \sqrt [3]{2}}-\frac {\left (x^3+1\right )^{2/3}}{10 x^5}-\frac {13 \left (x^3+1\right )^{2/3}}{80 x^2} \]
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Rule 12
Rule 384
Rule 594
Rule 597
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (1+x^3\right )^{2/3}}{10 x^5}+\frac {1}{20} \int \frac {26+14 x^3}{x^3 \sqrt [3]{1+x^3} \left (4+x^3\right )} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{10 x^5}-\frac {13 \left (1+x^3\right )^{2/3}}{80 x^2}-\frac {1}{160} \int -\frac {60}{\sqrt [3]{1+x^3} \left (4+x^3\right )} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{10 x^5}-\frac {13 \left (1+x^3\right )^{2/3}}{80 x^2}+\frac {3}{8} \int \frac {1}{\sqrt [3]{1+x^3} \left (4+x^3\right )} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{10 x^5}-\frac {13 \left (1+x^3\right )^{2/3}}{80 x^2}+\frac {\sqrt [6]{3} \arctan \left (\frac {1+\frac {\sqrt [3]{6} x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{16 \sqrt [3]{2}}+\frac {\log \left (4+x^3\right )}{32 \sqrt [3]{6}}-\frac {3^{2/3} \log \left (\frac {\sqrt [3]{3} x}{2^{2/3}}-\sqrt [3]{1+x^3}\right )}{32 \sqrt [3]{2}} \\ \end{align*}
Time = 0.39 (sec) , antiderivative size = 145, normalized size of antiderivative = 0.97 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\frac {1}{960} \left (-\frac {12 \left (1+x^3\right )^{2/3} \left (8+13 x^3\right )}{x^5}+30\ 2^{2/3} \sqrt [6]{3} \arctan \left (\frac {3^{5/6} x}{\sqrt [3]{3} x+2\ 2^{2/3} \sqrt [3]{1+x^3}}\right )-10\ 6^{2/3} \log \left (-3 x+6^{2/3} \sqrt [3]{1+x^3}\right )+5\ 6^{2/3} \log \left (3 x^2+6^{2/3} x \sqrt [3]{1+x^3}+2 \sqrt [3]{6} \left (1+x^3\right )^{2/3}\right )\right ) \]
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Time = 14.12 (sec) , antiderivative size = 157, normalized size of antiderivative = 1.05
method | result | size |
pseudoelliptic | \(\frac {-30 \,3^{\frac {1}{6}} 2^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3}\, \left (2 \,6^{\frac {2}{3}} \left (x^{3}+1\right )^{\frac {1}{3}}+3 x \right )}{9 x}\right ) x^{5}-10 x^{5} \ln \left (\frac {-x 6^{\frac {1}{3}}+2 {\left (\left (1+x \right ) \left (x^{2}-x +1\right )\right )}^{\frac {1}{3}}}{x}\right ) 6^{\frac {2}{3}}+5 x^{5} \ln \left (\frac {x^{2} 6^{\frac {2}{3}}+2 {\left (\left (1+x \right ) \left (x^{2}-x +1\right )\right )}^{\frac {1}{3}} x 6^{\frac {1}{3}}+4 {\left (\left (1+x \right ) \left (x^{2}-x +1\right )\right )}^{\frac {2}{3}}}{x^{2}}\right ) 6^{\frac {2}{3}}-156 x^{3} \left (x^{3}+1\right )^{\frac {2}{3}}-96 \left (x^{3}+1\right )^{\frac {2}{3}}}{960 x^{5}}\) | \(157\) |
risch | \(\text {Expression too large to display}\) | \(609\) |
trager | \(\text {Expression too large to display}\) | \(1113\) |
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Leaf count of result is larger than twice the leaf count of optimal. 303 vs. \(2 (111) = 222\).
Time = 2.12 (sec) , antiderivative size = 303, normalized size of antiderivative = 2.03 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\frac {30 \cdot 6^{\frac {1}{6}} \sqrt {2} \left (-1\right )^{\frac {1}{3}} x^{5} \arctan \left (\frac {6^{\frac {1}{6}} {\left (24 \cdot 6^{\frac {2}{3}} \sqrt {2} \left (-1\right )^{\frac {2}{3}} {\left (5 \, x^{7} + 22 \, x^{4} + 8 \, x\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}} - 36 \, \sqrt {2} \left (-1\right )^{\frac {1}{3}} {\left (109 \, x^{8} + 116 \, x^{5} + 16 \, x^{2}\right )} {\left (x^{3} + 1\right )}^{\frac {1}{3}} + 6^{\frac {1}{3}} \sqrt {2} {\left (1189 \, x^{9} + 2064 \, x^{6} + 912 \, x^{3} + 64\right )}\right )}}{6 \, {\left (971 \, x^{9} + 960 \, x^{6} - 48 \, x^{3} - 64\right )}}\right ) + 10 \cdot 6^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} x^{5} \log \left (-\frac {18 \cdot 6^{\frac {1}{3}} \left (-1\right )^{\frac {2}{3}} {\left (x^{3} + 1\right )}^{\frac {1}{3}} x^{2} - 6^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} {\left (x^{3} + 4\right )} - 36 \, {\left (x^{3} + 1\right )}^{\frac {2}{3}} x}{x^{3} + 4}\right ) - 5 \cdot 6^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} x^{5} \log \left (-\frac {12 \cdot 6^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} {\left (5 \, x^{4} + 2 \, x\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}} - 6^{\frac {1}{3}} \left (-1\right )^{\frac {2}{3}} {\left (109 \, x^{6} + 116 \, x^{3} + 16\right )} - 18 \, {\left (11 \, x^{5} + 8 \, x^{2}\right )} {\left (x^{3} + 1\right )}^{\frac {1}{3}}}{x^{6} + 8 \, x^{3} + 16}\right ) - 36 \, {\left (13 \, x^{3} + 8\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{2880 \, x^{5}} \]
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\[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\int \frac {\left (\left (x + 1\right ) \left (x^{2} - x + 1\right )\right )^{\frac {2}{3}} \left (x^{3} + 2\right )}{x^{6} \left (x^{3} + 4\right )}\, dx \]
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\[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\int { \frac {{\left (x^{3} + 2\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{{\left (x^{3} + 4\right )} x^{6}} \,d x } \]
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\[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\int { \frac {{\left (x^{3} + 2\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{{\left (x^{3} + 4\right )} x^{6}} \,d x } \]
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Timed out. \[ \int \frac {\left (1+x^3\right )^{2/3} \left (2+x^3\right )}{x^6 \left (4+x^3\right )} \, dx=\int \frac {{\left (x^3+1\right )}^{2/3}\,\left (x^3+2\right )}{x^6\,\left (x^3+4\right )} \,d x \]
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