Optimal. Leaf size=116 \[ -\sqrt {2} \text {ArcTan}\left (\frac {\sqrt {2} x \sqrt [4]{-b x^3+a x^6}}{-x^2+\sqrt {-b x^3+a x^6}}\right )-\sqrt {2} \tanh ^{-1}\left (\frac {\frac {x^2}{\sqrt {2}}+\frac {\sqrt {-b x^3+a x^6}}{\sqrt {2}}}{x \sqrt [4]{-b x^3+a x^6}}\right ) \]
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Rubi [F]
time = 1.16, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps
used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {}
\begin {gather*} \int \frac {b+2 a x^3}{\left (-b+x+a x^3\right ) \sqrt [4]{-b x^3+a x^6}} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {align*} \int \frac {b+2 a x^3}{\left (-b+x+a x^3\right ) \sqrt [4]{-b x^3+a x^6}} \, dx &=\frac {\left (x^{3/4} \sqrt [4]{-b+a x^3}\right ) \int \frac {b+2 a x^3}{x^{3/4} \sqrt [4]{-b+a x^3} \left (-b+x+a x^3\right )} \, dx}{\sqrt [4]{-b x^3+a x^6}}\\ &=\frac {\left (4 x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {b+2 a x^{12}}{\sqrt [4]{-b+a x^{12}} \left (-b+x^4+a x^{12}\right )} \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}\\ &=\frac {\left (4 x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \left (\frac {2}{\sqrt [4]{-b+a x^{12}}}+\frac {3 b-2 x^4}{\sqrt [4]{-b+a x^{12}} \left (-b+x^4+a x^{12}\right )}\right ) \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}\\ &=\frac {\left (4 x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {3 b-2 x^4}{\sqrt [4]{-b+a x^{12}} \left (-b+x^4+a x^{12}\right )} \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}+\frac {\left (8 x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [4]{-b+a x^{12}}} \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}\\ &=\frac {\left (4 x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \left (-\frac {3 b}{\left (b-x^4-a x^{12}\right ) \sqrt [4]{-b+a x^{12}}}-\frac {2 x^4}{\sqrt [4]{-b+a x^{12}} \left (-b+x^4+a x^{12}\right )}\right ) \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}+\frac {\left (8 x^{3/4} \sqrt [4]{1-\frac {a x^3}{b}}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [4]{1-\frac {a x^{12}}{b}}} \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}\\ &=\frac {8 x \sqrt [4]{1-\frac {a x^3}{b}} \, _2F_1\left (\frac {1}{12},\frac {1}{4};\frac {13}{12};\frac {a x^3}{b}\right )}{\sqrt [4]{-b x^3+a x^6}}-\frac {\left (8 x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {x^4}{\sqrt [4]{-b+a x^{12}} \left (-b+x^4+a x^{12}\right )} \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}-\frac {\left (12 b x^{3/4} \sqrt [4]{-b+a x^3}\right ) \text {Subst}\left (\int \frac {1}{\left (b-x^4-a x^{12}\right ) \sqrt [4]{-b+a x^{12}}} \, dx,x,\sqrt [4]{x}\right )}{\sqrt [4]{-b x^3+a x^6}}\\ \end {align*}
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Mathematica [F]
time = 10.19, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {b+2 a x^3}{\left (-b+x+a x^3\right ) \sqrt [4]{-b x^3+a x^6}} \, dx \end {gather*}
Verification is not applicable to the result.
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Maple [F]
time = 0.02, size = 0, normalized size = 0.00 \[\int \frac {2 a \,x^{3}+b}{\left (a \,x^{3}-b +x \right ) \left (a \,x^{6}-b \,x^{3}\right )^{\frac {1}{4}}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {2 a x^{3} + b}{\sqrt [4]{x^{3} \left (a x^{3} - b\right )} \left (a x^{3} - b + x\right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {2\,a\,x^3+b}{{\left (a\,x^6-b\,x^3\right )}^{1/4}\,\left (a\,x^3+x-b\right )} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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