Optimal. Leaf size=40 \[ \frac {\tan ^{-1}\left (\frac {2 \sqrt {d} \sqrt {f} x^2}{e+2 f x^3}\right )}{2 \sqrt {d} \sqrt {f}} \]
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Rubi [A]
time = 0.06, antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 40, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {2119, 211}
\begin {gather*} \frac {\text {ArcTan}\left (\frac {2 \sqrt {d} \sqrt {f} x^2}{e+2 f x^3}\right )}{2 \sqrt {d} \sqrt {f}} \end {gather*}
Antiderivative was successfully verified.
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Rule 211
Rule 2119
Rubi steps
\begin {align*} \int \frac {x \left (2 e-2 f x^3\right )}{e^2+4 e f x^3+4 d f x^4+4 f^2 x^6} \, dx &=-\left (\left (2 e^2\right ) \text {Subst}\left (\int \frac {1}{e^2+16 d e^2 f x^2} \, dx,x,\frac {x^2}{-2 e-4 f x^3}\right )\right )\\ &=\frac {\tan ^{-1}\left (\frac {2 \sqrt {d} \sqrt {f} x^2}{e+2 f x^3}\right )}{2 \sqrt {d} \sqrt {f}}\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 9 vs. order 3 in
optimal.
time = 0.03, size = 86, normalized size = 2.15 \begin {gather*} -\frac {\text {RootSum}\left [e^2+4 e f \text {$\#$1}^3+4 d f \text {$\#$1}^4+4 f^2 \text {$\#$1}^6\&,\frac {-e \log (x-\text {$\#$1})+f \log (x-\text {$\#$1}) \text {$\#$1}^3}{3 e \text {$\#$1}+4 d \text {$\#$1}^2+6 f \text {$\#$1}^4}\&\right ]}{2 f} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
3.
time = 0.04, size = 74, normalized size = 1.85
method | result | size |
default | \(\frac {\munderset {\textit {\_R} =\RootOf \left (4 f^{2} \textit {\_Z}^{6}+4 d f \,\textit {\_Z}^{4}+4 e f \,\textit {\_Z}^{3}+e^{2}\right )}{\sum }\frac {\left (-\textit {\_R}^{4} f +e \textit {\_R} \right ) \ln \left (x -\textit {\_R} \right )}{6 f \,\textit {\_R}^{5}+4 d \,\textit {\_R}^{3}+3 e \,\textit {\_R}^{2}}}{2 f}\) | \(74\) |
risch | \(-\frac {\ln \left (\left (16 f \left (-d f \right )^{\frac {3}{2}} d +54 d \,f^{3} e \right ) x^{3}+\left (54 \left (-d f \right )^{\frac {3}{2}} e f -16 d^{3} f^{2}\right ) x^{2}+8 e \left (-d f \right )^{\frac {3}{2}} d +27 e^{2} f^{2} d \right )}{4 \sqrt {-d f}}+\frac {\ln \left (\left (16 f \left (-d f \right )^{\frac {3}{2}} d -54 d \,f^{3} e \right ) x^{3}+\left (54 \left (-d f \right )^{\frac {3}{2}} e f +16 d^{3} f^{2}\right ) x^{2}+8 e \left (-d f \right )^{\frac {3}{2}} d -27 e^{2} f^{2} d \right )}{4 \sqrt {-d f}}\) | \(150\) |
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 [A]
time = 0.37, size = 154, normalized size = 3.85 \begin {gather*} \left [-\frac {\sqrt {-d f} \log \left (\frac {4 \, f^{2} x^{6} - 4 \, d f x^{4} + 4 \, f x^{3} e + 4 \, {\left (2 \, f x^{5} + x^{2} e\right )} \sqrt {-d f} + e^{2}}{4 \, f^{2} x^{6} + 4 \, d f x^{4} + 4 \, f x^{3} e + e^{2}}\right )}{4 \, d f}, \frac {\sqrt {d f} \arctan \left (\frac {{\left (2 \, f x^{4} + 2 \, d x^{2} + x e\right )} \sqrt {d f} e^{\left (-1\right )}}{d}\right ) - \sqrt {d f} \arctan \left (\frac {\sqrt {d f} x}{d}\right )}{2 \, d f}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 73 vs.
\(2 (36) = 72\).
time = 0.65, size = 73, normalized size = 1.82 \begin {gather*} \frac {\sqrt {- \frac {1}{d f}} \log {\left (- d x^{2} \sqrt {- \frac {1}{d f}} + \frac {e}{2 f} + x^{3} \right )}}{4} - \frac {\sqrt {- \frac {1}{d f}} \log {\left (d x^{2} \sqrt {- \frac {1}{d f}} + \frac {e}{2 f} + x^{3} \right )}}{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 73 vs.
\(2 (31) = 62\).
time = 5.18, size = 73, normalized size = 1.82 \begin {gather*} -\frac {\sqrt {-d f} \log \left ({\left | 2 \, f x^{3} + 2 \, \sqrt {-d f} x^{2} + e \right |}\right )}{4 \, d f} + \frac {\sqrt {-d f} \log \left ({\left | 2 \, f x^{3} - 2 \, \sqrt {-d f} x^{2} + e \right |}\right )}{4 \, d f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.49, size = 233, normalized size = 5.82 \begin {gather*} \frac {\mathrm {atan}\left (\frac {128\,d^{7/2}\,\sqrt {f}\,x^2}{64\,d^3\,e+729\,f\,e^3}-\frac {216\,d^{3/2}\,e^2\,\sqrt {f}}{64\,d^3\,e+729\,f\,e^3}+\frac {128\,d^{5/2}\,f^{3/2}\,x^4}{64\,d^3\,e+729\,f\,e^3}+\frac {216\,d^{3/2}\,e\,\sqrt {f}}{64\,d^3+729\,f\,e^2}+\frac {729\,d^{3/2}\,e^2\,f^{3/2}\,x}{64\,d^5+729\,f\,d^2\,e^2}+\frac {1458\,d^{3/2}\,e\,f^{5/2}\,x^4}{64\,d^5+729\,f\,d^2\,e^2}+\frac {64\,d^{5/2}\,e\,\sqrt {f}\,x}{64\,d^3\,e+729\,f\,e^3}+\frac {1458\,d^{3/2}\,e\,f^{3/2}\,x^2}{64\,d^4+729\,f\,d\,e^2}\right )-\mathrm {atan}\left (\frac {\sqrt {f}\,x}{\sqrt {d}}\right )}{2\,\sqrt {d}\,\sqrt {f}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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