Integrand size = 35, antiderivative size = 156 \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=\frac {\text {RootSum}\left [a^3-a b^2-3 a^2 \text {$\#$1}^3+3 a \text {$\#$1}^6-\text {$\#$1}^9\&,\frac {-\log (x)+\log \left (\sqrt [3]{-b x^2+a x^3}-x \text {$\#$1}\right )}{\text {$\#$1}}\&\right ]}{6 a b}-\frac {\text {RootSum}\left [a^3+a b^2-3 a^2 \text {$\#$1}^3+3 a \text {$\#$1}^6-\text {$\#$1}^9\&,\frac {-\log (x)+\log \left (\sqrt [3]{-b x^2+a x^3}-x \text {$\#$1}\right )}{\text {$\#$1}}\&\right ]}{6 a b} \]
[Out]
Leaf count is larger than twice the leaf count of optimal. \(3532\) vs. \(2(156)=312\).
Time = 4.76 (sec) , antiderivative size = 3532, normalized size of antiderivative = 22.64, number of steps used = 43, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.229, Rules used = {2081, 6857, 129, 490, 596, 544, 245, 384} \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=-\frac {\left (3 a^{2/3}-2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{a x^3-b x^2}}-\frac {\sqrt [3]{-1} \left (3 \sqrt [3]{-1} a^{2/3}-2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{a x^3-b x^2}}-\frac {(-1)^{2/3} \left (3 (-1)^{2/3} a^{2/3}-2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{a x^3-b x^2}}-\frac {\left (3 a^{2/3}+2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{a x^3-b x^2}}-\frac {\sqrt [3]{-1} \left (3 \sqrt [3]{-1} a^{2/3}+2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{a x^3-b x^2}}-\frac {(-1)^{2/3} \left (3 (-1)^{2/3} a^{2/3}+2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{a x^3-b x^2}}-\frac {\left (9 a^{4/3}-3 b^{2/3} a^{2/3}+2 b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [3]{a} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{18 \sqrt {3} a^{8/3} b \sqrt [3]{a x^3-b x^2}}+\frac {\left (9 a^{4/3}+3 b^{2/3} a^{2/3}+2 b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [3]{a} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{18 \sqrt {3} a^{8/3} b \sqrt [3]{a x^3-b x^2}}-\frac {\left (9 a^{4/3}-3 (-1)^{2/3} b^{2/3} a^{2/3}-2 \sqrt [3]{-1} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [3]{a} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{18 \sqrt {3} a^{8/3} b \sqrt [3]{a x^3-b x^2}}+\frac {\left (9 a^{4/3}+3 (-1)^{2/3} b^{2/3} a^{2/3}-2 \sqrt [3]{-1} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [3]{a} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{18 \sqrt {3} a^{8/3} b \sqrt [3]{a x^3-b x^2}}+\frac {\left (9 a^{4/3}-3 \sqrt [3]{-1} b^{2/3} a^{2/3}+2 (-1)^{2/3} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [3]{a} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{18 \sqrt {3} a^{8/3} b \sqrt [3]{a x^3-b x^2}}-\frac {\left (9 a^{4/3}+3 \sqrt [3]{-1} b^{2/3} a^{2/3}+2 (-1)^{2/3} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [3]{a} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{18 \sqrt {3} a^{8/3} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [9]{a} \sqrt [3]{a^{2/3}-b^{2/3}} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{2 \sqrt {3} a^{10/9} \sqrt [3]{a^{2/3}-b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [9]{a} \sqrt [3]{a^{2/3}+b^{2/3}} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{2 \sqrt {3} a^{10/9} \sqrt [3]{a^{2/3}+b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [9]{a} \sqrt [3]{a^{2/3}-\sqrt [3]{-1} b^{2/3}} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{2 \sqrt {3} a^{10/9} \sqrt [3]{a^{2/3}-\sqrt [3]{-1} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [9]{a} \sqrt [3]{a^{2/3}+\sqrt [3]{-1} b^{2/3}} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{2 \sqrt {3} a^{10/9} \sqrt [3]{a^{2/3}+\sqrt [3]{-1} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [9]{a} \sqrt [3]{a^{2/3}-(-1)^{2/3} b^{2/3}} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{2 \sqrt {3} a^{10/9} \sqrt [3]{a^{2/3}-(-1)^{2/3} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \arctan \left (\frac {\frac {2 \sqrt [9]{a} \sqrt [3]{a^{2/3}+(-1)^{2/3} b^{2/3}} \sqrt [3]{x}}{\sqrt [3]{a x-b}}+1}{\sqrt {3}}\right )}{2 \sqrt {3} a^{10/9} \sqrt [3]{a^{2/3}+(-1)^{2/3} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{b}-\sqrt [3]{a} x\right )}{12 a^{10/9} \sqrt [3]{a^{2/3}-b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (-\sqrt [3]{a} x-(-1)^{2/3} \sqrt [3]{b}\right )}{12 a^{10/9} \sqrt [3]{a^{2/3}-\sqrt [3]{-1} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} x+\sqrt [3]{b}\right )}{12 a^{10/9} \sqrt [3]{a^{2/3}+b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{-1} \sqrt [3]{a} x+\sqrt [3]{b}\right )}{12 a^{10/9} \sqrt [3]{a^{2/3}+\sqrt [3]{-1} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x\right )}{12 a^{10/9} \sqrt [3]{a^{2/3}-(-1)^{2/3} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \log \left ((-1)^{2/3} \sqrt [3]{a} x+\sqrt [3]{b}\right )}{12 a^{10/9} \sqrt [3]{a^{2/3}+(-1)^{2/3} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {\left (9 a^{4/3}-3 b^{2/3} a^{2/3}+2 b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{36 a^{8/3} b \sqrt [3]{a x^3-b x^2}}-\frac {\left (9 a^{4/3}+3 b^{2/3} a^{2/3}+2 b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{36 a^{8/3} b \sqrt [3]{a x^3-b x^2}}+\frac {\left (9 a^{4/3}-3 (-1)^{2/3} b^{2/3} a^{2/3}-2 \sqrt [3]{-1} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{36 a^{8/3} b \sqrt [3]{a x^3-b x^2}}-\frac {\left (9 a^{4/3}+3 (-1)^{2/3} b^{2/3} a^{2/3}-2 \sqrt [3]{-1} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{36 a^{8/3} b \sqrt [3]{a x^3-b x^2}}-\frac {\left (9 a^{4/3}-3 \sqrt [3]{-1} b^{2/3} a^{2/3}+2 (-1)^{2/3} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{36 a^{8/3} b \sqrt [3]{a x^3-b x^2}}+\frac {\left (9 a^{4/3}+3 \sqrt [3]{-1} b^{2/3} a^{2/3}+2 (-1)^{2/3} b^{4/3}\right ) x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [3]{a} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{36 a^{8/3} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [9]{a} \sqrt [3]{a^{2/3}-b^{2/3}} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{4 a^{10/9} \sqrt [3]{a^{2/3}-b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [9]{a} \sqrt [3]{a^{2/3}+b^{2/3}} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{4 a^{10/9} \sqrt [3]{a^{2/3}+b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [9]{a} \sqrt [3]{a^{2/3}-\sqrt [3]{-1} b^{2/3}} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{4 a^{10/9} \sqrt [3]{a^{2/3}-\sqrt [3]{-1} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [9]{a} \sqrt [3]{a^{2/3}+\sqrt [3]{-1} b^{2/3}} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{4 a^{10/9} \sqrt [3]{a^{2/3}+\sqrt [3]{-1} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}+\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [9]{a} \sqrt [3]{a^{2/3}-(-1)^{2/3} b^{2/3}} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{4 a^{10/9} \sqrt [3]{a^{2/3}-(-1)^{2/3} b^{2/3}} b \sqrt [3]{a x^3-b x^2}}-\frac {x^{2/3} \sqrt [3]{a x-b} \log \left (\sqrt [9]{a} \sqrt [3]{a^{2/3}+(-1)^{2/3} b^{2/3}} \sqrt [3]{x}-\sqrt [3]{a x-b}\right )}{4 a^{10/9} \sqrt [3]{a^{2/3}+(-1)^{2/3} b^{2/3}} b \sqrt [3]{a x^3-b x^2}} \]
[In]
[Out]
Rule 129
Rule 245
Rule 384
Rule 490
Rule 544
Rule 596
Rule 2081
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\sqrt [3]{-b+a x} \left (-b^2+a^2 x^6\right )} \, dx}{\sqrt [3]{-b x^2+a x^3}} \\ & = \frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \left (-\frac {x^{7/3}}{2 b \sqrt [3]{-b+a x} \left (b-a x^3\right )}-\frac {x^{7/3}}{2 b \sqrt [3]{-b+a x} \left (b+a x^3\right )}\right ) \, dx}{\sqrt [3]{-b x^2+a x^3}} \\ & = -\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\sqrt [3]{-b+a x} \left (b-a x^3\right )} \, dx}{2 b \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\sqrt [3]{-b+a x} \left (b+a x^3\right )} \, dx}{2 b \sqrt [3]{-b x^2+a x^3}} \\ & = -\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \left (-\frac {x^{7/3}}{3 b^{2/3} \left (-\sqrt [3]{b}-\sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}}-\frac {x^{7/3}}{3 b^{2/3} \left (-\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}}-\frac {x^{7/3}}{3 b^{2/3} \left (-\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}}\right ) \, dx}{2 b \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \left (\frac {x^{7/3}}{3 b^{2/3} \left (\sqrt [3]{b}-\sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}}+\frac {x^{7/3}}{3 b^{2/3} \left (\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}}+\frac {x^{7/3}}{3 b^{2/3} \left (\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}}\right ) \, dx}{2 b \sqrt [3]{-b x^2+a x^3}} \\ & = \frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\left (-\sqrt [3]{b}-\sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}} \, dx}{6 b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\left (\sqrt [3]{b}-\sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}} \, dx}{6 b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\left (-\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}} \, dx}{6 b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\left (\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}} \, dx}{6 b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\left (-\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}} \, dx}{6 b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \int \frac {x^{7/3}}{\left (\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x\right ) \sqrt [3]{-b+a x}} \, dx}{6 b^{5/3} \sqrt [3]{-b x^2+a x^3}} \\ & = \frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^9}{\left (-\sqrt [3]{b}-\sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{2 b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^9}{\left (\sqrt [3]{b}-\sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{2 b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^9}{\left (-\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{2 b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^9}{\left (\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{2 b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^9}{\left (-\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{2 b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^9}{\left (\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{2 b^{5/3} \sqrt [3]{-b x^2+a x^3}} \\ & = \frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^3 \left (4 b^{4/3}-2 \sqrt [3]{a} \left (3 a^{2/3}-2 b^{2/3}\right ) \sqrt [3]{b} x^3\right )}{\left (-\sqrt [3]{b}-\sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{12 a^{4/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^3 \left (-4 b^{4/3}+2 \sqrt [3]{a} \left (3 a^{2/3}+2 b^{2/3}\right ) \sqrt [3]{b} x^3\right )}{\left (\sqrt [3]{b}-\sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{12 a^{4/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (\sqrt [3]{-1} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^3 \left (4 b^{4/3}-2 \sqrt [3]{a} \left (3 a^{2/3}-2 (-1)^{2/3} b^{2/3}\right ) \sqrt [3]{b} x^3\right )}{\left (-\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{12 a^{4/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (\sqrt [3]{-1} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^3 \left (-4 b^{4/3}+2 \sqrt [3]{a} \left (3 a^{2/3}+2 (-1)^{2/3} b^{2/3}\right ) \sqrt [3]{b} x^3\right )}{\left (\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{12 a^{4/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left ((-1)^{2/3} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^3 \left (-4 b^{4/3}+2 \sqrt [3]{a} \left (3 a^{2/3}-2 \sqrt [3]{-1} b^{2/3}\right ) \sqrt [3]{b} x^3\right )}{\left (\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{12 a^{4/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left ((-1)^{2/3} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {x^3 \left (4 b^{4/3}-2 \sqrt [3]{a} \left (3 a^{2/3}+2 \sqrt [3]{-1} b^{2/3}\right ) \sqrt [3]{b} x^3\right )}{\left (-\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{12 a^{4/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}} \\ & = -\frac {\left (3 a^{2/3}-2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\sqrt [3]{-1} \left (3 \sqrt [3]{-1} a^{2/3}-2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{-b x^2+a x^3}}-\frac {(-1)^{2/3} \left (3 (-1)^{2/3} a^{2/3}-2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (3 a^{2/3}+2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\sqrt [3]{-1} \left (3 \sqrt [3]{-1} a^{2/3}+2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{-b x^2+a x^3}}-\frac {(-1)^{2/3} \left (3 (-1)^{2/3} a^{2/3}+2 b^{2/3}\right ) x (b-a x)}{18 a^{7/3} b^{4/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {-2 \sqrt [3]{a} \left (3 a^{2/3}-2 b^{2/3}\right ) b^{5/3}+2 a^{2/3} b^{2/3} \left (9 a^{4/3}-3 a^{2/3} b^{2/3}+2 b^{4/3}\right ) x^3}{\left (-\sqrt [3]{b}-\sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{36 a^{8/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {-2 \sqrt [3]{a} \left (3 a^{2/3}+2 b^{2/3}\right ) b^{5/3}+2 a^{2/3} b^{2/3} \left (9 a^{4/3}+3 a^{2/3} b^{2/3}+2 b^{4/3}\right ) x^3}{\left (\sqrt [3]{b}-\sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{36 a^{8/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left (\sqrt [3]{-1} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {-2 \sqrt [3]{a} \left (3 a^{2/3}-2 \sqrt [3]{-1} b^{2/3}\right ) b^{5/3}+2 a^{2/3} b^{2/3} \left (9 a^{4/3}-3 \sqrt [3]{-1} a^{2/3} b^{2/3}+2 (-1)^{2/3} b^{4/3}\right ) x^3}{\left (\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{36 a^{8/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left (\sqrt [3]{-1} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {-2 \sqrt [3]{a} \left (3 a^{2/3}+2 \sqrt [3]{-1} b^{2/3}\right ) b^{5/3}+2 a^{2/3} b^{2/3} \left (9 a^{4/3}+3 \sqrt [3]{-1} a^{2/3} b^{2/3}+2 (-1)^{2/3} b^{4/3}\right ) x^3}{\left (-\sqrt [3]{b}+\sqrt [3]{-1} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{36 a^{8/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}+\frac {\left ((-1)^{2/3} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {-2 \sqrt [3]{a} \left (3 a^{2/3}-2 (-1)^{2/3} b^{2/3}\right ) b^{5/3}+2 a^{2/3} b^{2/3} \left (9 a^{4/3}-3 (-1)^{2/3} a^{2/3} b^{2/3}-2 \sqrt [3]{-1} b^{4/3}\right ) x^3}{\left (-\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{36 a^{8/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}}-\frac {\left ((-1)^{2/3} x^{2/3} \sqrt [3]{-b+a x}\right ) \text {Subst}\left (\int \frac {-2 \sqrt [3]{a} \left (3 a^{2/3}+2 (-1)^{2/3} b^{2/3}\right ) b^{5/3}+2 a^{2/3} b^{2/3} \left (9 a^{4/3}+3 (-1)^{2/3} a^{2/3} b^{2/3}-2 \sqrt [3]{-1} b^{4/3}\right ) x^3}{\left (\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} x^3\right ) \sqrt [3]{-b+a x^3}} \, dx,x,\sqrt [3]{x}\right )}{36 a^{8/3} b^{5/3} \sqrt [3]{-b x^2+a x^3}} \\ & = \text {Too large to display} \\ \end{align*}
Time = 0.72 (sec) , antiderivative size = 185, normalized size of antiderivative = 1.19 \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=\frac {x^{2/3} \sqrt [3]{-b+a x} \left (\text {RootSum}\left [a^3-a b^2-3 a^2 \text {$\#$1}^3+3 a \text {$\#$1}^6-\text {$\#$1}^9\&,\frac {-\log \left (\sqrt [3]{x}\right )+\log \left (\sqrt [3]{-b+a x}-\sqrt [3]{x} \text {$\#$1}\right )}{\text {$\#$1}}\&\right ]-\text {RootSum}\left [a^3+a b^2-3 a^2 \text {$\#$1}^3+3 a \text {$\#$1}^6-\text {$\#$1}^9\&,\frac {-\log \left (\sqrt [3]{x}\right )+\log \left (\sqrt [3]{-b+a x}-\sqrt [3]{x} \text {$\#$1}\right )}{\text {$\#$1}}\&\right ]\right )}{6 a b \sqrt [3]{x^2 (-b+a x)}} \]
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Time = 0.66 (sec) , antiderivative size = 131, normalized size of antiderivative = 0.84
method | result | size |
pseudoelliptic | \(\frac {-\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{9}-3 a \,\textit {\_Z}^{6}+3 a^{2} \textit {\_Z}^{3}-a^{3}-a \,b^{2}\right )}{\sum }\frac {\ln \left (\frac {-\textit {\_R} x +\left (x^{2} \left (a x -b \right )\right )^{\frac {1}{3}}}{x}\right )}{\textit {\_R}}\right )+\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{9}-3 a \,\textit {\_Z}^{6}+3 a^{2} \textit {\_Z}^{3}-a^{3}+a \,b^{2}\right )}{\sum }\frac {\ln \left (\frac {-\textit {\_R} x +\left (x^{2} \left (a x -b \right )\right )^{\frac {1}{3}}}{x}\right )}{\textit {\_R}}\right )}{6 a b}\) | \(131\) |
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Result contains higher order function than in optimal. Order 3 vs. order 1.
Time = 1.36 (sec) , antiderivative size = 48833, normalized size of antiderivative = 313.03 \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=\text {Timed out} \]
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Not integrable
Time = 0.24 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.22 \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=\int { \frac {x^{3}}{{\left (a^{2} x^{6} - b^{2}\right )} {\left (a x^{3} - b x^{2}\right )}^{\frac {1}{3}}} \,d x } \]
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Not integrable
Time = 12.58 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.22 \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=\int { \frac {x^{3}}{{\left (a^{2} x^{6} - b^{2}\right )} {\left (a x^{3} - b x^{2}\right )}^{\frac {1}{3}}} \,d x } \]
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Not integrable
Time = 5.77 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.23 \[ \int \frac {x^3}{\sqrt [3]{-b x^2+a x^3} \left (-b^2+a^2 x^6\right )} \, dx=-\int \frac {x^3}{\left (b^2-a^2\,x^6\right )\,{\left (a\,x^3-b\,x^2\right )}^{1/3}} \,d x \]
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