Integrand size = 37, antiderivative size = 215 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=\frac {4 \sqrt [4]{b x^3+a x^4}}{x}-2 \sqrt [4]{a} \arctan \left (\frac {\sqrt [4]{a} x}{\sqrt [4]{b x^3+a x^4}}\right )+2 \sqrt [4]{a} \text {arctanh}\left (\frac {\sqrt [4]{a} x}{\sqrt [4]{b x^3+a x^4}}\right )+a \text {RootSum}\left [a^2-a b-2 a \text {$\#$1}^4+\text {$\#$1}^8\&,\frac {-a \log (x)+b \log (x)+a \log \left (\sqrt [4]{b x^3+a x^4}-x \text {$\#$1}\right )-b \log \left (\sqrt [4]{b x^3+a x^4}-x \text {$\#$1}\right )+\log (x) \text {$\#$1}^4-\log \left (\sqrt [4]{b x^3+a x^4}-x \text {$\#$1}\right ) \text {$\#$1}^4}{a \text {$\#$1}^3-\text {$\#$1}^7}\&\right ] \]
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Leaf count is larger than twice the leaf count of optimal. \(491\) vs. \(2(215)=430\).
Time = 1.45 (sec) , antiderivative size = 491, normalized size of antiderivative = 2.28, number of steps used = 23, number of rules used = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.351, Rules used = {2081, 6857, 49, 65, 338, 304, 209, 212, 922, 37, 6820, 12, 95} \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=-\frac {2 \sqrt [4]{a} \sqrt [4]{a x^4+b x^3} \arctan \left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{a x+b}}\right )}{x^{3/4} \sqrt [4]{a x+b}}+\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}-\sqrt {b}} \sqrt [4]{a x^4+b x^3} \arctan \left (\frac {\sqrt [8]{a} \sqrt [4]{x} \sqrt [4]{\sqrt {a}-\sqrt {b}}}{\sqrt [4]{a x+b}}\right )}{x^{3/4} \sqrt [4]{a x+b}}+\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}+\sqrt {b}} \sqrt [4]{a x^4+b x^3} \arctan \left (\frac {\sqrt [8]{a} \sqrt [4]{x} \sqrt [4]{\sqrt {a}+\sqrt {b}}}{\sqrt [4]{a x+b}}\right )}{x^{3/4} \sqrt [4]{a x+b}}+\frac {2 \sqrt [4]{a} \sqrt [4]{a x^4+b x^3} \text {arctanh}\left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{a x+b}}\right )}{x^{3/4} \sqrt [4]{a x+b}}-\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}-\sqrt {b}} \sqrt [4]{a x^4+b x^3} \text {arctanh}\left (\frac {\sqrt [8]{a} \sqrt [4]{x} \sqrt [4]{\sqrt {a}-\sqrt {b}}}{\sqrt [4]{a x+b}}\right )}{x^{3/4} \sqrt [4]{a x+b}}-\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}+\sqrt {b}} \sqrt [4]{a x^4+b x^3} \text {arctanh}\left (\frac {\sqrt [8]{a} \sqrt [4]{x} \sqrt [4]{\sqrt {a}+\sqrt {b}}}{\sqrt [4]{a x+b}}\right )}{x^{3/4} \sqrt [4]{a x+b}}+\frac {4 \sqrt [4]{a x^4+b x^3}}{x} \]
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Rule 12
Rule 37
Rule 49
Rule 65
Rule 95
Rule 209
Rule 212
Rule 304
Rule 338
Rule 922
Rule 2081
Rule 6820
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt [4]{b x^3+a x^4} \int \frac {\sqrt [4]{b+a x} \left (b+a x^2\right )}{x^{5/4} \left (-b+a x^2\right )} \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {\sqrt [4]{b x^3+a x^4} \int \left (\frac {\sqrt [4]{b+a x}}{x^{5/4}}+\frac {2 b \sqrt [4]{b+a x}}{x^{5/4} \left (-b+a x^2\right )}\right ) \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {\sqrt [4]{b x^3+a x^4} \int \frac {\sqrt [4]{b+a x}}{x^{5/4}} \, dx}{x^{3/4} \sqrt [4]{b+a x}}+\frac {\left (2 b \sqrt [4]{b x^3+a x^4}\right ) \int \frac {\sqrt [4]{b+a x}}{x^{5/4} \left (-b+a x^2\right )} \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = -\frac {4 \sqrt [4]{b x^3+a x^4}}{x}-\frac {\left (2 \sqrt [4]{b x^3+a x^4}\right ) \int \frac {-a b-a b x}{\sqrt [4]{x} (b+a x)^{3/4} \left (-b+a x^2\right )} \, dx}{x^{3/4} \sqrt [4]{b+a x}}+\frac {\left (a \sqrt [4]{b x^3+a x^4}\right ) \int \frac {1}{\sqrt [4]{x} (b+a x)^{3/4}} \, dx}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (2 b \sqrt [4]{b x^3+a x^4}\right ) \int \frac {1}{x^{5/4} (b+a x)^{3/4}} \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}-\frac {\left (2 \sqrt [4]{b x^3+a x^4}\right ) \int \frac {a b (1+x)}{\sqrt [4]{x} (b+a x)^{3/4} \left (b-a x^2\right )} \, dx}{x^{3/4} \sqrt [4]{b+a x}}+\frac {\left (4 a \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {x^2}{\left (b+a x^4\right )^{3/4}} \, dx,x,\sqrt [4]{x}\right )}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}+\frac {\left (4 a \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {x^2}{1-a x^4} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (2 a b \sqrt [4]{b x^3+a x^4}\right ) \int \frac {1+x}{\sqrt [4]{x} (b+a x)^{3/4} \left (b-a x^2\right )} \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}+\frac {\left (2 \sqrt {a} \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt {a} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (2 \sqrt {a} \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt {a} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (2 a b \sqrt [4]{b x^3+a x^4}\right ) \int \left (\frac {\sqrt {b}+\frac {b}{\sqrt {a}}}{2 b \sqrt [4]{x} \left (\sqrt {b}-\sqrt {a} x\right ) (b+a x)^{3/4}}+\frac {\sqrt {b}-\frac {b}{\sqrt {a}}}{2 b \sqrt [4]{x} \left (\sqrt {b}+\sqrt {a} x\right ) (b+a x)^{3/4}}\right ) \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}-\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \arctan \left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}+\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \text {arctanh}\left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (a \left (-\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) b \sqrt [4]{b x^3+a x^4}\right ) \int \frac {1}{\sqrt [4]{x} \left (\sqrt {b}+\sqrt {a} x\right ) (b+a x)^{3/4}} \, dx}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (a \left (\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) b \sqrt [4]{b x^3+a x^4}\right ) \int \frac {1}{\sqrt [4]{x} \left (\sqrt {b}-\sqrt {a} x\right ) (b+a x)^{3/4}} \, dx}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}-\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \arctan \left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}+\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \text {arctanh}\left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (4 a \left (-\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) b \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {x^2}{\sqrt {b}-\left (a \sqrt {b}-\sqrt {a} b\right ) x^4} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (4 a \left (\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) b \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {x^2}{\sqrt {b}-\left (a \sqrt {b}+\sqrt {a} b\right ) x^4} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}-\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \arctan \left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}+\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \text {arctanh}\left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (2 a^{3/4} \left (-\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) \sqrt {b} \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt [4]{a} \sqrt {\sqrt {a}-\sqrt {b}} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{\sqrt {\sqrt {a}-\sqrt {b}} x^{3/4} \sqrt [4]{b+a x}}+\frac {\left (2 a^{3/4} \left (-\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) \sqrt {b} \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt [4]{a} \sqrt {\sqrt {a}-\sqrt {b}} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{\sqrt {\sqrt {a}-\sqrt {b}} x^{3/4} \sqrt [4]{b+a x}}-\frac {\left (2 a^{3/4} \left (\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) \sqrt {b} \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt [4]{a} \sqrt {\sqrt {a}+\sqrt {b}} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{\sqrt {\sqrt {a}+\sqrt {b}} x^{3/4} \sqrt [4]{b+a x}}+\frac {\left (2 a^{3/4} \left (\frac {1}{\sqrt {a}}+\frac {1}{\sqrt {b}}\right ) \sqrt {b} \sqrt [4]{b x^3+a x^4}\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt [4]{a} \sqrt {\sqrt {a}+\sqrt {b}} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{\sqrt {\sqrt {a}+\sqrt {b}} x^{3/4} \sqrt [4]{b+a x}} \\ & = \frac {4 \sqrt [4]{b x^3+a x^4}}{x}-\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \arctan \left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}+\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}-\sqrt {b}} \sqrt [4]{b x^3+a x^4} \arctan \left (\frac {\sqrt [8]{a} \sqrt [4]{\sqrt {a}-\sqrt {b}} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}+\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}+\sqrt {b}} \sqrt [4]{b x^3+a x^4} \arctan \left (\frac {\sqrt [8]{a} \sqrt [4]{\sqrt {a}+\sqrt {b}} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}+\frac {2 \sqrt [4]{a} \sqrt [4]{b x^3+a x^4} \text {arctanh}\left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}-\sqrt {b}} \sqrt [4]{b x^3+a x^4} \text {arctanh}\left (\frac {\sqrt [8]{a} \sqrt [4]{\sqrt {a}-\sqrt {b}} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}}-\frac {2 \sqrt [8]{a} \sqrt [4]{\sqrt {a}+\sqrt {b}} \sqrt [4]{b x^3+a x^4} \text {arctanh}\left (\frac {\sqrt [8]{a} \sqrt [4]{\sqrt {a}+\sqrt {b}} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )}{x^{3/4} \sqrt [4]{b+a x}} \\ \end{align*}
Time = 0.49 (sec) , antiderivative size = 240, normalized size of antiderivative = 1.12 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=\frac {x^2 (b+a x)^{3/4} \left (4 \sqrt [4]{b+a x}-2 \sqrt [4]{a} \sqrt [4]{x} \arctan \left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )+2 \sqrt [4]{a} \sqrt [4]{x} \text {arctanh}\left (\frac {\sqrt [4]{a} \sqrt [4]{x}}{\sqrt [4]{b+a x}}\right )-\frac {1}{4} a \sqrt [4]{x} \text {RootSum}\left [a^2-a b-2 a \text {$\#$1}^4+\text {$\#$1}^8\&,\frac {-a \log (x)+b \log (x)+4 a \log \left (\sqrt [4]{b+a x}-\sqrt [4]{x} \text {$\#$1}\right )-4 b \log \left (\sqrt [4]{b+a x}-\sqrt [4]{x} \text {$\#$1}\right )+\log (x) \text {$\#$1}^4-4 \log \left (\sqrt [4]{b+a x}-\sqrt [4]{x} \text {$\#$1}\right ) \text {$\#$1}^4}{-a \text {$\#$1}^3+\text {$\#$1}^7}\&\right ]\right )}{\left (x^3 (b+a x)\right )^{3/4}} \]
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Time = 0.41 (sec) , antiderivative size = 154, normalized size of antiderivative = 0.72
method | result | size |
pseudoelliptic | \(\frac {a \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{8}-2 a \,\textit {\_Z}^{4}+a^{2}-a b \right )}{\sum }\frac {\left (\textit {\_R}^{4}-a +b \right ) \ln \left (\frac {-\textit {\_R} x +\left (x^{3} \left (a x +b \right )\right )^{\frac {1}{4}}}{x}\right )}{\textit {\_R}^{3} \left (\textit {\_R}^{4}-a \right )}\right ) x +a^{\frac {1}{4}} x \ln \left (\frac {x \,a^{\frac {1}{4}}+\left (x^{3} \left (a x +b \right )\right )^{\frac {1}{4}}}{-x \,a^{\frac {1}{4}}+\left (x^{3} \left (a x +b \right )\right )^{\frac {1}{4}}}\right )+2 a^{\frac {1}{4}} x \arctan \left (\frac {\left (x^{3} \left (a x +b \right )\right )^{\frac {1}{4}}}{a^{\frac {1}{4}} x}\right )+4 \left (x^{3} \left (a x +b \right )\right )^{\frac {1}{4}}}{x}\) | \(154\) |
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Result contains higher order function than in optimal. Order 3 vs. order 1.
Time = 0.31 (sec) , antiderivative size = 541, normalized size of antiderivative = 2.52 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=-\frac {x \sqrt {-\sqrt {a + \sqrt {a b}}} \log \left (\frac {2 \, {\left (x \sqrt {-\sqrt {a + \sqrt {a b}}} + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) - x \sqrt {-\sqrt {a + \sqrt {a b}}} \log \left (-\frac {2 \, {\left (x \sqrt {-\sqrt {a + \sqrt {a b}}} - {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) + x \sqrt {-\sqrt {a - \sqrt {a b}}} \log \left (\frac {2 \, {\left (x \sqrt {-\sqrt {a - \sqrt {a b}}} + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) - x \sqrt {-\sqrt {a - \sqrt {a b}}} \log \left (-\frac {2 \, {\left (x \sqrt {-\sqrt {a - \sqrt {a b}}} - {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) + {\left (a + \sqrt {a b}\right )}^{\frac {1}{4}} x \log \left (\frac {2 \, {\left ({\left (a + \sqrt {a b}\right )}^{\frac {1}{4}} x + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) - {\left (a + \sqrt {a b}\right )}^{\frac {1}{4}} x \log \left (-\frac {2 \, {\left ({\left (a + \sqrt {a b}\right )}^{\frac {1}{4}} x - {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) + {\left (a - \sqrt {a b}\right )}^{\frac {1}{4}} x \log \left (\frac {2 \, {\left ({\left (a - \sqrt {a b}\right )}^{\frac {1}{4}} x + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) - {\left (a - \sqrt {a b}\right )}^{\frac {1}{4}} x \log \left (-\frac {2 \, {\left ({\left (a - \sqrt {a b}\right )}^{\frac {1}{4}} x - {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}\right )}}{x}\right ) - a^{\frac {1}{4}} x \log \left (\frac {a^{\frac {1}{4}} x + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}}{x}\right ) + a^{\frac {1}{4}} x \log \left (-\frac {a^{\frac {1}{4}} x - {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}}{x}\right ) - i \, a^{\frac {1}{4}} x \log \left (\frac {i \, a^{\frac {1}{4}} x + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}}{x}\right ) + i \, a^{\frac {1}{4}} x \log \left (\frac {-i \, a^{\frac {1}{4}} x + {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}}{x}\right ) - 4 \, {\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}}}{x} \]
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Not integrable
Time = 4.25 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.13 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=\int \frac {\sqrt [4]{x^{3} \left (a x + b\right )} \left (a x^{2} + b\right )}{x^{2} \left (a x^{2} - b\right )}\, dx \]
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Not integrable
Time = 0.22 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.17 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=\int { \frac {{\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}} {\left (a x^{2} + b\right )}}{{\left (a x^{2} - b\right )} x^{2}} \,d x } \]
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Not integrable
Time = 0.76 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.17 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=\int { \frac {{\left (a x^{4} + b x^{3}\right )}^{\frac {1}{4}} {\left (a x^{2} + b\right )}}{{\left (a x^{2} - b\right )} x^{2}} \,d x } \]
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Not integrable
Time = 8.60 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.18 \[ \int \frac {\left (b+a x^2\right ) \sqrt [4]{b x^3+a x^4}}{x^2 \left (-b+a x^2\right )} \, dx=-\int \frac {\left (a\,x^2+b\right )\,{\left (a\,x^4+b\,x^3\right )}^{1/4}}{x^2\,\left (b-a\,x^2\right )} \,d x \]
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