Integrand size = 26, antiderivative size = 398 \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=\frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {770 b^{2/3} \left (a+b x^3\right ) \arctan \left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{243 \sqrt {3} a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {770 b^{2/3} \left (a+b x^3\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {385 b^{2/3} \left (a+b x^3\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}} \]
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Time = 0.15 (sec) , antiderivative size = 398, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.346, Rules used = {1369, 296, 331, 206, 31, 648, 631, 210, 642} \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=\frac {7}{54 a^2 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6} \left (a+b x^3\right )^2}+\frac {1}{12 a x^2 \sqrt {a^2+2 a b x^3+b^2 x^6} \left (a+b x^3\right )^3}+\frac {770 b^{2/3} \left (a+b x^3\right ) \arctan \left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{243 \sqrt {3} a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {770 b^{2/3} \left (a+b x^3\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {385 b^{2/3} \left (a+b x^3\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6} \left (a+b x^3\right )} \]
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Rule 31
Rule 206
Rule 210
Rule 296
Rule 331
Rule 631
Rule 642
Rule 648
Rule 1369
Rubi steps \begin{align*} \text {integral}& = \frac {\left (b^4 \left (a b+b^2 x^3\right )\right ) \int \frac {1}{x^3 \left (a b+b^2 x^3\right )^5} \, dx}{\sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {\left (7 b^3 \left (a b+b^2 x^3\right )\right ) \int \frac {1}{x^3 \left (a b+b^2 x^3\right )^4} \, dx}{6 a \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {\left (77 b^2 \left (a b+b^2 x^3\right )\right ) \int \frac {1}{x^3 \left (a b+b^2 x^3\right )^3} \, dx}{54 a^2 \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {\left (154 b \left (a b+b^2 x^3\right )\right ) \int \frac {1}{x^3 \left (a b+b^2 x^3\right )^2} \, dx}{81 a^3 \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {\left (770 \left (a b+b^2 x^3\right )\right ) \int \frac {1}{x^3 \left (a b+b^2 x^3\right )} \, dx}{243 a^4 \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {\left (770 b \left (a b+b^2 x^3\right )\right ) \int \frac {1}{a b+b^2 x^3} \, dx}{243 a^5 \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {\left (770 \sqrt [3]{b} \left (a b+b^2 x^3\right )\right ) \int \frac {1}{\sqrt [3]{a} \sqrt [3]{b}+b^{2/3} x} \, dx}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {\left (770 \sqrt [3]{b} \left (a b+b^2 x^3\right )\right ) \int \frac {2 \sqrt [3]{a} \sqrt [3]{b}-b^{2/3} x}{a^{2/3} b^{2/3}-\sqrt [3]{a} b x+b^{4/3} x^2} \, dx}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {770 b^{2/3} \left (a+b x^3\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {\left (385 \left (a b+b^2 x^3\right )\right ) \int \frac {-\sqrt [3]{a} b+2 b^{4/3} x}{a^{2/3} b^{2/3}-\sqrt [3]{a} b x+b^{4/3} x^2} \, dx}{729 a^{17/3} \sqrt [3]{b} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {\left (385 b^{2/3} \left (a b+b^2 x^3\right )\right ) \int \frac {1}{a^{2/3} b^{2/3}-\sqrt [3]{a} b x+b^{4/3} x^2} \, dx}{243 a^{16/3} \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {770 b^{2/3} \left (a+b x^3\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {385 b^{2/3} \left (a+b x^3\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {\left (770 \left (a b+b^2 x^3\right )\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1-\frac {2 \sqrt [3]{b} x}{\sqrt [3]{a}}\right )}{243 a^{17/3} \sqrt [3]{b} \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ & = \frac {154}{243 a^4 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {1}{12 a x^2 \left (a+b x^3\right )^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {7}{54 a^2 x^2 \left (a+b x^3\right )^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {77}{324 a^3 x^2 \left (a+b x^3\right ) \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {385 \left (a+b x^3\right )}{243 a^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {770 b^{2/3} \left (a+b x^3\right ) \tan ^{-1}\left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{243 \sqrt {3} a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}-\frac {770 b^{2/3} \left (a+b x^3\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}}+\frac {385 b^{2/3} \left (a+b x^3\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{729 a^{17/3} \sqrt {a^2+2 a b x^3+b^2 x^6}} \\ \end{align*}
Time = 1.11 (sec) , antiderivative size = 234, normalized size of antiderivative = 0.59 \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=\frac {\left (a+b x^3\right ) \left (-243 a^{11/3} b x-621 a^{8/3} b x \left (a+b x^3\right )-1314 a^{5/3} b x \left (a+b x^3\right )^2-3162 a^{2/3} b x \left (a+b x^3\right )^3-\frac {1458 a^{2/3} \left (a+b x^3\right )^4}{x^2}-3080 \sqrt {3} b^{2/3} \left (a+b x^3\right )^4 \arctan \left (\frac {-\sqrt [3]{a}+2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )-3080 b^{2/3} \left (a+b x^3\right )^4 \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )+1540 b^{2/3} \left (a+b x^3\right )^4 \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )\right )}{2916 a^{17/3} \left (\left (a+b x^3\right )^2\right )^{5/2}} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 2.86 (sec) , antiderivative size = 138, normalized size of antiderivative = 0.35
method | result | size |
risch | \(\frac {\sqrt {\left (b \,x^{3}+a \right )^{2}}\, \left (-\frac {385 b^{4} x^{12}}{243 a^{5}}-\frac {154 b^{3} x^{9}}{27 a^{4}}-\frac {2387 b^{2} x^{6}}{324 a^{3}}-\frac {931 b \,x^{3}}{243 a^{2}}-\frac {1}{2 a}\right )}{\left (b \,x^{3}+a \right )^{5} x^{2}}+\frac {770 \sqrt {\left (b \,x^{3}+a \right )^{2}}\, \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (a^{17} \textit {\_Z}^{3}+b^{2}\right )}{\sum }\textit {\_R} \ln \left (\left (-4 \textit {\_R}^{3} a^{17}-3 b^{2}\right ) x -a^{6} b \textit {\_R} \right )\right )}{729 \left (b \,x^{3}+a \right )}\) | \(138\) |
default | \(-\frac {\left (-3080 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (-2 x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right ) b^{4} x^{14}+3080 \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right ) b^{4} x^{14}-1540 \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right ) b^{4} x^{14}+4620 \left (\frac {a}{b}\right )^{\frac {2}{3}} b^{4} x^{12}-12320 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (-2 x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right ) a \,b^{3} x^{11}+12320 \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right ) a \,b^{3} x^{11}-6160 \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right ) a \,b^{3} x^{11}+16632 \left (\frac {a}{b}\right )^{\frac {2}{3}} a \,b^{3} x^{9}-18480 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (-2 x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right ) a^{2} b^{2} x^{8}+18480 \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right ) a^{2} b^{2} x^{8}-9240 \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right ) a^{2} b^{2} x^{8}+21483 \left (\frac {a}{b}\right )^{\frac {2}{3}} a^{2} b^{2} x^{6}-12320 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (-2 x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right ) a^{3} b \,x^{5}+12320 \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right ) a^{3} b \,x^{5}-6160 \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right ) a^{3} b \,x^{5}+11172 \left (\frac {a}{b}\right )^{\frac {2}{3}} a^{3} b \,x^{3}-3080 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (-2 x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right ) a^{4} x^{2}+3080 \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right ) a^{4} x^{2}-1540 \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right ) a^{4} x^{2}+1458 \left (\frac {a}{b}\right )^{\frac {2}{3}} a^{4}\right ) \left (b \,x^{3}+a \right )}{2916 \left (\frac {a}{b}\right )^{\frac {2}{3}} x^{2} a^{5} {\left (\left (b \,x^{3}+a \right )^{2}\right )}^{\frac {5}{2}}}\) | \(542\) |
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Time = 0.28 (sec) , antiderivative size = 352, normalized size of antiderivative = 0.88 \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=-\frac {4620 \, b^{4} x^{12} + 16632 \, a b^{3} x^{9} + 21483 \, a^{2} b^{2} x^{6} + 11172 \, a^{3} b x^{3} + 1458 \, a^{4} - 3080 \, \sqrt {3} {\left (b^{4} x^{14} + 4 \, a b^{3} x^{11} + 6 \, a^{2} b^{2} x^{8} + 4 \, a^{3} b x^{5} + a^{4} x^{2}\right )} \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {1}{3}} \arctan \left (\frac {2 \, \sqrt {3} a x \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {2}{3}} - \sqrt {3} b}{3 \, b}\right ) + 1540 \, {\left (b^{4} x^{14} + 4 \, a b^{3} x^{11} + 6 \, a^{2} b^{2} x^{8} + 4 \, a^{3} b x^{5} + a^{4} x^{2}\right )} \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {1}{3}} \log \left (b^{2} x^{2} + a b x \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {1}{3}} + a^{2} \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {2}{3}}\right ) - 3080 \, {\left (b^{4} x^{14} + 4 \, a b^{3} x^{11} + 6 \, a^{2} b^{2} x^{8} + 4 \, a^{3} b x^{5} + a^{4} x^{2}\right )} \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {1}{3}} \log \left (b x - a \left (-\frac {b^{2}}{a^{2}}\right )^{\frac {1}{3}}\right )}{2916 \, {\left (a^{5} b^{4} x^{14} + 4 \, a^{6} b^{3} x^{11} + 6 \, a^{7} b^{2} x^{8} + 4 \, a^{8} b x^{5} + a^{9} x^{2}\right )}} \]
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\[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=\int \frac {1}{x^{3} \left (\left (a + b x^{3}\right )^{2}\right )^{\frac {5}{2}}}\, dx \]
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Time = 0.30 (sec) , antiderivative size = 194, normalized size of antiderivative = 0.49 \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=-\frac {1540 \, b^{4} x^{12} + 5544 \, a b^{3} x^{9} + 7161 \, a^{2} b^{2} x^{6} + 3724 \, a^{3} b x^{3} + 486 \, a^{4}}{972 \, {\left (a^{5} b^{4} x^{14} + 4 \, a^{6} b^{3} x^{11} + 6 \, a^{7} b^{2} x^{8} + 4 \, a^{8} b x^{5} + a^{9} x^{2}\right )}} - \frac {770 \, \sqrt {3} \arctan \left (\frac {\sqrt {3} {\left (2 \, x - \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}}{3 \, \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right )}{729 \, a^{5} \left (\frac {a}{b}\right )^{\frac {2}{3}}} + \frac {385 \, \log \left (x^{2} - x \left (\frac {a}{b}\right )^{\frac {1}{3}} + \left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{729 \, a^{5} \left (\frac {a}{b}\right )^{\frac {2}{3}}} - \frac {770 \, \log \left (x + \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{729 \, a^{5} \left (\frac {a}{b}\right )^{\frac {2}{3}}} \]
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Time = 0.32 (sec) , antiderivative size = 215, normalized size of antiderivative = 0.54 \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=\frac {770 \, b \left (-\frac {a}{b}\right )^{\frac {1}{3}} \log \left ({\left | x - \left (-\frac {a}{b}\right )^{\frac {1}{3}} \right |}\right )}{729 \, a^{6} \mathrm {sgn}\left (b x^{3} + a\right )} - \frac {770 \, \sqrt {3} \left (-a b^{2}\right )^{\frac {1}{3}} \arctan \left (\frac {\sqrt {3} {\left (2 \, x + \left (-\frac {a}{b}\right )^{\frac {1}{3}}\right )}}{3 \, \left (-\frac {a}{b}\right )^{\frac {1}{3}}}\right )}{729 \, a^{6} \mathrm {sgn}\left (b x^{3} + a\right )} - \frac {385 \, \left (-a b^{2}\right )^{\frac {1}{3}} \log \left (x^{2} + x \left (-\frac {a}{b}\right )^{\frac {1}{3}} + \left (-\frac {a}{b}\right )^{\frac {2}{3}}\right )}{729 \, a^{6} \mathrm {sgn}\left (b x^{3} + a\right )} - \frac {1}{2 \, a^{5} x^{2} \mathrm {sgn}\left (b x^{3} + a\right )} - \frac {1054 \, b^{4} x^{10} + 3600 \, a b^{3} x^{7} + 4245 \, a^{2} b^{2} x^{4} + 1780 \, a^{3} b x}{972 \, {\left (b x^{3} + a\right )}^{4} a^{5} \mathrm {sgn}\left (b x^{3} + a\right )} \]
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Timed out. \[ \int \frac {1}{x^3 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}} \, dx=\int \frac {1}{x^3\,{\left (a^2+2\,a\,b\,x^3+b^2\,x^6\right )}^{5/2}} \,d x \]
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