Integrand size = 43, antiderivative size = 192 \[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=-\frac {4 \left (b-a x^3\right ) \left (-b x+a x^4\right )^{3/4}}{21 b^2 x^6}+\frac {\sqrt {2} \left (2 a^2-3 b\right ) \arctan \left (\frac {\sqrt {2} \sqrt [4]{a} x \sqrt [4]{-b x+a x^4}}{-\sqrt {a} x^2+\sqrt {-b x+a x^4}}\right )}{3 \sqrt [4]{a} b^2}+\frac {\sqrt {2} \left (2 a^2-3 b\right ) \text {arctanh}\left (\frac {\sqrt {a} x^2+\sqrt {-b x+a x^4}}{\sqrt {2} \sqrt [4]{a} x \sqrt [4]{-b x+a x^4}}\right )}{3 \sqrt [4]{a} b^2} \]
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Leaf count is larger than twice the leaf count of optimal. \(617\) vs. \(2(192)=384\).
Time = 1.05 (sec) , antiderivative size = 617, normalized size of antiderivative = 3.21, number of steps used = 20, number of rules used = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.326, Rules used = {2081, 6857, 277, 270, 477, 476, 508, 472, 217, 1179, 642, 1176, 631, 210} \[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=-\frac {\sqrt {2} \sqrt [4]{x} \left (2 a^2-3 b\right ) \sqrt [4]{a x^3-b} \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{a x^3-b}}\right )}{3 \sqrt [4]{a} b^2 \sqrt [4]{a x^4-b x}}+\frac {\sqrt {2} \sqrt [4]{x} \left (2 a^2-3 b\right ) \sqrt [4]{a x^3-b} \arctan \left (\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{a x^3-b}}+1\right )}{3 \sqrt [4]{a} b^2 \sqrt [4]{a x^4-b x}}-\frac {\sqrt [4]{x} \left (2 a^2-3 b\right ) \sqrt [4]{a x^3-b} \log \left (\frac {\sqrt {a} x^{3/2}}{\sqrt {a x^3-b}}-\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{a x^3-b}}+1\right )}{3 \sqrt {2} \sqrt [4]{a} b^2 \sqrt [4]{a x^4-b x}}+\frac {\sqrt [4]{x} \left (2 a^2-3 b\right ) \sqrt [4]{a x^3-b} \log \left (\frac {\sqrt {a} x^{3/2}}{\sqrt {a x^3-b}}+\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{a x^3-b}}+1\right )}{3 \sqrt {2} \sqrt [4]{a} b^2 \sqrt [4]{a x^4-b x}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )^2}{21 a^2 b^2 x^5 \sqrt [4]{a x^4-b x}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{a x^4-b x}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )}{3 a b^2 x^2 \sqrt [4]{a x^4-b x}}+\frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{a x^4-b x}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{a x^4-b x}} \]
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Rule 210
Rule 217
Rule 270
Rule 277
Rule 472
Rule 476
Rule 477
Rule 508
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 2081
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \int \frac {b-3 a x^3+3 x^6}{x^{25/4} \sqrt [4]{-b+a x^3} \left (-b+2 a x^3\right )} \, dx}{\sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (\sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \int \left (-\frac {3 \left (2-\frac {b}{a^2}\right )}{4 x^{25/4} \sqrt [4]{-b+a x^3}}+\frac {3}{2 a x^{13/4} \sqrt [4]{-b+a x^3}}+\frac {-2 a^2 b+3 b^2}{4 a^2 x^{25/4} \sqrt [4]{-b+a x^3} \left (-b+2 a x^3\right )}\right ) \, dx}{\sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (3 \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \int \frac {1}{x^{13/4} \sqrt [4]{-b+a x^3}} \, dx}{2 a \sqrt [4]{-b x+a x^4}}-\frac {\left (3 \left (2-\frac {b}{a^2}\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \int \frac {1}{x^{25/4} \sqrt [4]{-b+a x^3}} \, dx}{4 \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \int \frac {1}{x^{25/4} \sqrt [4]{-b+a x^3} \left (-b+2 a x^3\right )} \, dx}{4 a^2 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (3 a \left (2-\frac {b}{a^2}\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \int \frac {1}{x^{13/4} \sqrt [4]{-b+a x^3}} \, dx}{7 b \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{x^{22} \sqrt [4]{-b+a x^{12}} \left (-b+2 a x^{12}\right )} \, dx,x,\sqrt [4]{x}\right )}{a^2 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{x^8 \sqrt [4]{-b+a x^4} \left (-b+2 a x^4\right )} \, dx,x,x^{3/4}\right )}{3 a^2 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {\left (1-a x^4\right )^2}{x^8 \left (-b-a b x^4\right )} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 a^2 b^2 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \left (-\frac {1}{b x^8}+\frac {3 a}{b x^4}-\frac {4 a^2}{b \left (1+a x^4\right )}\right ) \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 a^2 b^2 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )}{3 a b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )^2}{21 a^2 b^2 x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (4 \left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{1+a x^4} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 b^3 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )}{3 a b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )^2}{21 a^2 b^2 x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 \left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1-\sqrt {a} x^2}{1+a x^4} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 b^3 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 \left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1+\sqrt {a} x^2}{1+a x^4} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 b^3 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )}{3 a b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )^2}{21 a^2 b^2 x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{\frac {1}{\sqrt {a}}-\frac {\sqrt {2} x}{\sqrt [4]{a}}+x^2} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {a} b^3 \sqrt [4]{-b x+a x^4}}-\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{\frac {1}{\sqrt {a}}+\frac {\sqrt {2} x}{\sqrt [4]{a}}+x^2} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {a} b^3 \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {\frac {\sqrt {2}}{\sqrt [4]{a}}+2 x}{-\frac {1}{\sqrt {a}}-\frac {\sqrt {2} x}{\sqrt [4]{a}}-x^2} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {2} \sqrt [4]{a} b^3 \sqrt [4]{-b x+a x^4}}+\frac {\left (\left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {\frac {\sqrt {2}}{\sqrt [4]{a}}-2 x}{-\frac {1}{\sqrt {a}}+\frac {\sqrt {2} x}{\sqrt [4]{a}}-x^2} \, dx,x,\frac {x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {2} \sqrt [4]{a} b^3 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )}{3 a b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )^2}{21 a^2 b^2 x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3} \log \left (1+\frac {\sqrt {a} x^{3/2}}{\sqrt {-b+a x^3}}-\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {2} \sqrt [4]{a} b^2 \sqrt [4]{-b x+a x^4}}+\frac {\left (2 a^2-3 b\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3} \log \left (1+\frac {\sqrt {a} x^{3/2}}{\sqrt {-b+a x^3}}+\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {2} \sqrt [4]{a} b^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (\sqrt {2} \left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt [4]{a} b^3 \sqrt [4]{-b x+a x^4}}+\frac {\left (\sqrt {2} \left (-2 a^2 b+3 b^2\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt [4]{a} b^3 \sqrt [4]{-b x+a x^4}} \\ & = \frac {\left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{7 b x^5 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )}{3 a b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {2 \left (b-a x^3\right )}{3 a b x^2 \sqrt [4]{-b x+a x^4}}+\frac {4 a \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right )}{21 b^2 x^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \left (b-a x^3\right )^2}{21 a^2 b^2 x^5 \sqrt [4]{-b x+a x^4}}-\frac {\sqrt {2} \left (2 a^2-3 b\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3} \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt [4]{a} b^2 \sqrt [4]{-b x+a x^4}}+\frac {\sqrt {2} \left (2 a^2-3 b\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3} \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt [4]{a} b^2 \sqrt [4]{-b x+a x^4}}-\frac {\left (2 a^2-3 b\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3} \log \left (1+\frac {\sqrt {a} x^{3/2}}{\sqrt {-b+a x^3}}-\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {2} \sqrt [4]{a} b^2 \sqrt [4]{-b x+a x^4}}+\frac {\left (2 a^2-3 b\right ) \sqrt [4]{x} \sqrt [4]{-b+a x^3} \log \left (1+\frac {\sqrt {a} x^{3/2}}{\sqrt {-b+a x^3}}+\frac {\sqrt {2} \sqrt [4]{a} x^{3/4}}{\sqrt [4]{-b+a x^3}}\right )}{3 \sqrt {2} \sqrt [4]{a} b^2 \sqrt [4]{-b x+a x^4}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 10.68 (sec) , antiderivative size = 244, normalized size of antiderivative = 1.27 \[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=\frac {\frac {210 b x^3 \left (-b+a x^3\right )}{a}+15 \left (2-\frac {b}{a^2}\right ) \left (b-a x^3\right ) \left (3 b+4 a x^3\right )+\frac {\left (2 a^2-3 b\right ) \left (5 \left (3 b^3+13 a b^2 x^3-144 a^2 b x^6+128 a^3 x^9\right ) \operatorname {Hypergeometric2F1}\left (\frac {1}{4},1,\frac {5}{4},\frac {a x^3}{b-a x^3}\right )+8 a x^3 \left (b^2+10 a b x^3-24 a^2 x^6\right ) \operatorname {Hypergeometric2F1}\left (\frac {5}{4},2,\frac {9}{4},\frac {a x^3}{b-a x^3}\right )-16 a x^3 \left (b-2 a x^3\right )^2 \, _3F_2\left (\frac {5}{4},2,2;1,\frac {9}{4};\frac {a x^3}{b-a x^3}\right )\right )}{a^2 \left (-b+a x^3\right )}}{315 b^2 x^5 \sqrt [4]{-b x+a x^4}} \]
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Time = 1.68 (sec) , antiderivative size = 226, normalized size of antiderivative = 1.18
method | result | size |
pseudoelliptic | \(-\frac {2 \left (\frac {\sqrt {2}\, x^{7} \left (a^{2}-\frac {3 b}{2}\right ) \ln \left (\frac {-a^{\frac {1}{4}} {\left (x \left (a \,x^{3}-b \right )\right )}^{\frac {1}{4}} \sqrt {2}\, x +\sqrt {a}\, x^{2}+\sqrt {x \left (a \,x^{3}-b \right )}}{a^{\frac {1}{4}} {\left (x \left (a \,x^{3}-b \right )\right )}^{\frac {1}{4}} \sqrt {2}\, x +\sqrt {a}\, x^{2}+\sqrt {x \left (a \,x^{3}-b \right )}}\right )}{2}+\sqrt {2}\, x^{7} \left (a^{2}-\frac {3 b}{2}\right ) \arctan \left (\frac {\sqrt {2}\, {\left (x \left (a \,x^{3}-b \right )\right )}^{\frac {1}{4}}-a^{\frac {1}{4}} x}{a^{\frac {1}{4}} x}\right )+\sqrt {2}\, x^{7} \left (a^{2}-\frac {3 b}{2}\right ) \arctan \left (\frac {\sqrt {2}\, {\left (x \left (a \,x^{3}-b \right )\right )}^{\frac {1}{4}}+a^{\frac {1}{4}} x}{a^{\frac {1}{4}} x}\right )-\frac {2 {\left (x \left (a \,x^{3}-b \right )\right )}^{\frac {7}{4}} a^{\frac {1}{4}}}{7}\right )}{3 a^{\frac {1}{4}} x^{7} b^{2}}\) | \(226\) |
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Timed out. \[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=\text {Timed out} \]
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\[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=\int \frac {- 3 a x^{3} + b + 3 x^{6}}{x^{6} \sqrt [4]{x \left (a x^{3} - b\right )} \left (2 a x^{3} - b\right )}\, dx \]
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\[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=\int { \frac {3 \, x^{6} - 3 \, a x^{3} + b}{{\left (a x^{4} - b x\right )}^{\frac {1}{4}} {\left (2 \, a x^{3} - b\right )} x^{6}} \,d x } \]
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none
Time = 0.34 (sec) , antiderivative size = 237, normalized size of antiderivative = 1.23 \[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=\frac {4 \, {\left (a - \frac {b}{x^{3}}\right )}^{\frac {7}{4}}}{21 \, b^{2}} + \frac {\sqrt {2} {\left (2 \, a^{\frac {11}{4}} - 3 \, a^{\frac {3}{4}} b\right )} \log \left (\sqrt {2} {\left (a - \frac {b}{x^{3}}\right )}^{\frac {1}{4}} a^{\frac {1}{4}} + \sqrt {a - \frac {b}{x^{3}}} + \sqrt {a}\right )}{6 \, a b^{2}} - \frac {\sqrt {2} {\left (2 \, a^{\frac {11}{4}} - 3 \, a^{\frac {3}{4}} b\right )} \log \left (-\sqrt {2} {\left (a - \frac {b}{x^{3}}\right )}^{\frac {1}{4}} a^{\frac {1}{4}} + \sqrt {a - \frac {b}{x^{3}}} + \sqrt {a}\right )}{6 \, a b^{2}} - \frac {{\left (2 \, \sqrt {2} a^{\frac {11}{4}} - 3 \, \sqrt {2} a^{\frac {3}{4}} b\right )} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} a^{\frac {1}{4}} + 2 \, {\left (a - \frac {b}{x^{3}}\right )}^{\frac {1}{4}}\right )}}{2 \, a^{\frac {1}{4}}}\right )}{3 \, a b^{2}} - \frac {{\left (2 \, \sqrt {2} a^{\frac {11}{4}} - 3 \, \sqrt {2} a^{\frac {3}{4}} b\right )} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} a^{\frac {1}{4}} - 2 \, {\left (a - \frac {b}{x^{3}}\right )}^{\frac {1}{4}}\right )}}{2 \, a^{\frac {1}{4}}}\right )}{3 \, a b^{2}} \]
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Timed out. \[ \int \frac {b-3 a x^3+3 x^6}{x^6 \left (-b+2 a x^3\right ) \sqrt [4]{-b x+a x^4}} \, dx=-\int \frac {3\,x^6-3\,a\,x^3+b}{x^6\,{\left (a\,x^4-b\,x\right )}^{1/4}\,\left (b-2\,a\,x^3\right )} \,d x \]
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