Optimal. Leaf size=149 \[ \frac {-d+e x^2}{4 \left (c d^2+a e^2\right ) \left (a+c x^4\right )}-\frac {e \left (c d^2-a e^2\right ) \tan ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {a}}\right )}{4 \sqrt {a} \sqrt {c} \left (c d^2+a e^2\right )^2}-\frac {d e^2 \log \left (d+e x^2\right )}{2 \left (c d^2+a e^2\right )^2}+\frac {d e^2 \log \left (a+c x^4\right )}{4 \left (c d^2+a e^2\right )^2} \]
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Rubi [A]
time = 0.12, antiderivative size = 148, normalized size of antiderivative = 0.99, number of steps
used = 7, number of rules used = 6, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.273, Rules used = {1266, 837, 815,
649, 211, 266} \begin {gather*} -\frac {e \text {ArcTan}\left (\frac {\sqrt {c} x^2}{\sqrt {a}}\right ) \left (c d^2-a e^2\right )}{4 \sqrt {a} \sqrt {c} \left (a e^2+c d^2\right )^2}+\frac {d e^2 \log \left (a+c x^4\right )}{4 \left (a e^2+c d^2\right )^2}-\frac {d e^2 \log \left (d+e x^2\right )}{2 \left (a e^2+c d^2\right )^2}-\frac {d-e x^2}{4 \left (a+c x^4\right ) \left (a e^2+c d^2\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 211
Rule 266
Rule 649
Rule 815
Rule 837
Rule 1266
Rubi steps
\begin {align*} \int \frac {x^3}{\left (d+e x^2\right ) \left (a+c x^4\right )^2} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {x}{(d+e x) \left (a+c x^2\right )^2} \, dx,x,x^2\right )\\ &=-\frac {d-e x^2}{4 \left (c d^2+a e^2\right ) \left (a+c x^4\right )}-\frac {\text {Subst}\left (\int \frac {a c d e-a c e^2 x}{(d+e x) \left (a+c x^2\right )} \, dx,x,x^2\right )}{4 a c \left (c d^2+a e^2\right )}\\ &=-\frac {d-e x^2}{4 \left (c d^2+a e^2\right ) \left (a+c x^4\right )}-\frac {\text {Subst}\left (\int \left (\frac {2 a c d e^3}{\left (c d^2+a e^2\right ) (d+e x)}-\frac {a c e \left (-c d^2+a e^2+2 c d e x\right )}{\left (c d^2+a e^2\right ) \left (a+c x^2\right )}\right ) \, dx,x,x^2\right )}{4 a c \left (c d^2+a e^2\right )}\\ &=-\frac {d-e x^2}{4 \left (c d^2+a e^2\right ) \left (a+c x^4\right )}-\frac {d e^2 \log \left (d+e x^2\right )}{2 \left (c d^2+a e^2\right )^2}+\frac {e \text {Subst}\left (\int \frac {-c d^2+a e^2+2 c d e x}{a+c x^2} \, dx,x,x^2\right )}{4 \left (c d^2+a e^2\right )^2}\\ &=-\frac {d-e x^2}{4 \left (c d^2+a e^2\right ) \left (a+c x^4\right )}-\frac {d e^2 \log \left (d+e x^2\right )}{2 \left (c d^2+a e^2\right )^2}+\frac {\left (c d e^2\right ) \text {Subst}\left (\int \frac {x}{a+c x^2} \, dx,x,x^2\right )}{2 \left (c d^2+a e^2\right )^2}-\frac {\left (e \left (c d^2-a e^2\right )\right ) \text {Subst}\left (\int \frac {1}{a+c x^2} \, dx,x,x^2\right )}{4 \left (c d^2+a e^2\right )^2}\\ &=-\frac {d-e x^2}{4 \left (c d^2+a e^2\right ) \left (a+c x^4\right )}-\frac {e \left (c d^2-a e^2\right ) \tan ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {a}}\right )}{4 \sqrt {a} \sqrt {c} \left (c d^2+a e^2\right )^2}-\frac {d e^2 \log \left (d+e x^2\right )}{2 \left (c d^2+a e^2\right )^2}+\frac {d e^2 \log \left (a+c x^4\right )}{4 \left (c d^2+a e^2\right )^2}\\ \end {align*}
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Mathematica [A]
time = 0.10, size = 114, normalized size = 0.77 \begin {gather*} \frac {\frac {\left (c d^2+a e^2\right ) \left (-d+e x^2\right )}{a+c x^4}+\frac {e \left (-c d^2+a e^2\right ) \tan ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {a}}\right )}{\sqrt {a} \sqrt {c}}-2 d e^2 \log \left (d+e x^2\right )+d e^2 \log \left (a+c x^4\right )}{4 \left (c d^2+a e^2\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.20, size = 132, normalized size = 0.89
method | result | size |
default | \(-\frac {d \,e^{2} \ln \left (e \,x^{2}+d \right )}{2 \left (a \,e^{2}+c \,d^{2}\right )^{2}}+\frac {\frac {\left (\frac {1}{2} a \,e^{3}+\frac {1}{2} c \,d^{2} e \right ) x^{2}-\frac {d \left (a \,e^{2}+c \,d^{2}\right )}{2}}{c \,x^{4}+a}+\frac {e \left (d e \ln \left (c \,x^{4}+a \right )+\frac {\left (a \,e^{2}-c \,d^{2}\right ) \arctan \left (\frac {c \,x^{2}}{\sqrt {a c}}\right )}{\sqrt {a c}}\right )}{2}}{2 \left (a \,e^{2}+c \,d^{2}\right )^{2}}\) | \(132\) |
risch | \(\frac {\frac {e \,x^{2}}{4 a \,e^{2}+4 c \,d^{2}}-\frac {d}{4 \left (a \,e^{2}+c \,d^{2}\right )}}{c \,x^{4}+a}+\frac {e^{2} \ln \left (\left (8 a^{3} c d \,e^{5}-16 a^{2} c^{2} d^{3} e^{3}+8 c^{3} d^{5} e a +\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} e^{4}-14 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{2} e^{2}+\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, c^{2} d^{4}\right ) x^{2}-e^{6} a^{4}+15 a^{3} c \,d^{2} e^{4}-15 a^{2} c^{2} d^{4} e^{2}+a \,c^{3} d^{6}+8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} d \,e^{3}-8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{3} e \right ) d}{4 a^{2} e^{4}+8 a c \,d^{2} e^{2}+4 c^{2} d^{4}}+\frac {e \ln \left (\left (8 a^{3} c d \,e^{5}-16 a^{2} c^{2} d^{3} e^{3}+8 c^{3} d^{5} e a +\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} e^{4}-14 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{2} e^{2}+\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, c^{2} d^{4}\right ) x^{2}-e^{6} a^{4}+15 a^{3} c \,d^{2} e^{4}-15 a^{2} c^{2} d^{4} e^{2}+a \,c^{3} d^{6}+8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} d \,e^{3}-8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{3} e \right ) \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}}{8 a c \left (a^{2} e^{4}+2 a c \,d^{2} e^{2}+c^{2} d^{4}\right )}+\frac {e^{2} \ln \left (\left (8 a^{3} c d \,e^{5}-16 a^{2} c^{2} d^{3} e^{3}+8 c^{3} d^{5} e a -\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} e^{4}+14 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{2} e^{2}-\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, c^{2} d^{4}\right ) x^{2}-e^{6} a^{4}+15 a^{3} c \,d^{2} e^{4}-15 a^{2} c^{2} d^{4} e^{2}+a \,c^{3} d^{6}-8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} d \,e^{3}+8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{3} e \right ) d}{4 a^{2} e^{4}+8 a c \,d^{2} e^{2}+4 c^{2} d^{4}}-\frac {e \ln \left (\left (8 a^{3} c d \,e^{5}-16 a^{2} c^{2} d^{3} e^{3}+8 c^{3} d^{5} e a -\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} e^{4}+14 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{2} e^{2}-\sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, c^{2} d^{4}\right ) x^{2}-e^{6} a^{4}+15 a^{3} c \,d^{2} e^{4}-15 a^{2} c^{2} d^{4} e^{2}+a \,c^{3} d^{6}-8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a^{2} d \,e^{3}+8 \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}\, a c \,d^{3} e \right ) \sqrt {-a c \left (a \,e^{2}-c \,d^{2}\right )^{2}}}{8 a c \left (a^{2} e^{4}+2 a c \,d^{2} e^{2}+c^{2} d^{4}\right )}-\frac {d \,e^{2} \ln \left (e \,x^{2}+d \right )}{2 \left (a^{2} e^{4}+2 a c \,d^{2} e^{2}+c^{2} d^{4}\right )}\) | \(1167\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.51, size = 178, normalized size = 1.19 \begin {gather*} \frac {d e^{2} \log \left (c x^{4} + a\right )}{4 \, {\left (c^{2} d^{4} + 2 \, a c d^{2} e^{2} + a^{2} e^{4}\right )}} - \frac {d e^{2} \log \left (x^{2} e + d\right )}{2 \, {\left (c^{2} d^{4} + 2 \, a c d^{2} e^{2} + a^{2} e^{4}\right )}} - \frac {{\left (c d^{2} e - a e^{3}\right )} \arctan \left (\frac {c x^{2}}{\sqrt {a c}}\right )}{4 \, {\left (c^{2} d^{4} + 2 \, a c d^{2} e^{2} + a^{2} e^{4}\right )} \sqrt {a c}} + \frac {x^{2} e - d}{4 \, {\left ({\left (c^{2} d^{2} + a c e^{2}\right )} x^{4} + a c d^{2} + a^{2} e^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.93, size = 475, normalized size = 3.19 \begin {gather*} \left [\frac {2 \, a c^{2} d^{2} x^{2} e - 2 \, a c^{2} d^{3} + 2 \, a^{2} c x^{2} e^{3} - 2 \, a^{2} c d e^{2} + 2 \, {\left (a c^{2} d x^{4} + a^{2} c d\right )} e^{2} \log \left (c x^{4} + a\right ) - 4 \, {\left (a c^{2} d x^{4} + a^{2} c d\right )} e^{2} \log \left (x^{2} e + d\right ) - \sqrt {-a c} {\left ({\left (a c x^{4} + a^{2}\right )} e^{3} - {\left (c^{2} d^{2} x^{4} + a c d^{2}\right )} e\right )} \log \left (\frac {c x^{4} - 2 \, \sqrt {-a c} x^{2} - a}{c x^{4} + a}\right )}{8 \, {\left (a c^{4} d^{4} x^{4} + a^{2} c^{3} d^{4} + {\left (a^{3} c^{2} x^{4} + a^{4} c\right )} e^{4} + 2 \, {\left (a^{2} c^{3} d^{2} x^{4} + a^{3} c^{2} d^{2}\right )} e^{2}\right )}}, \frac {a c^{2} d^{2} x^{2} e - a c^{2} d^{3} + a^{2} c x^{2} e^{3} - a^{2} c d e^{2} + {\left (a c^{2} d x^{4} + a^{2} c d\right )} e^{2} \log \left (c x^{4} + a\right ) - 2 \, {\left (a c^{2} d x^{4} + a^{2} c d\right )} e^{2} \log \left (x^{2} e + d\right ) - \sqrt {a c} {\left ({\left (a c x^{4} + a^{2}\right )} e^{3} - {\left (c^{2} d^{2} x^{4} + a c d^{2}\right )} e\right )} \arctan \left (\frac {\sqrt {a c}}{c x^{2}}\right )}{4 \, {\left (a c^{4} d^{4} x^{4} + a^{2} c^{3} d^{4} + {\left (a^{3} c^{2} x^{4} + a^{4} c\right )} e^{4} + 2 \, {\left (a^{2} c^{3} d^{2} x^{4} + a^{3} c^{2} d^{2}\right )} e^{2}\right )}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [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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Giac [A]
time = 3.15, size = 188, normalized size = 1.26 \begin {gather*} \frac {d e^{2} \log \left (c x^{4} + a\right )}{4 \, {\left (c^{2} d^{4} + 2 \, a c d^{2} e^{2} + a^{2} e^{4}\right )}} - \frac {d e^{3} \log \left ({\left | x^{2} e + d \right |}\right )}{2 \, {\left (c^{2} d^{4} e + 2 \, a c d^{2} e^{3} + a^{2} e^{5}\right )}} - \frac {{\left (c d^{2} e - a e^{3}\right )} \arctan \left (\frac {c x^{2}}{\sqrt {a c}}\right )}{4 \, {\left (c^{2} d^{4} + 2 \, a c d^{2} e^{2} + a^{2} e^{4}\right )} \sqrt {a c}} - \frac {c d^{3} - {\left (c d^{2} e + a e^{3}\right )} x^{2} + a d e^{2}}{4 \, {\left (c x^{4} + a\right )} {\left (c d^{2} + a e^{2}\right )}^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.41, size = 527, normalized size = 3.54 \begin {gather*} \frac {\ln \left (a^4\,e^8\,\sqrt {-a\,c}+c^4\,d^8\,\sqrt {-a\,c}+70\,d^4\,e^4\,{\left (-a\,c\right )}^{5/2}+c^5\,d^8\,x^2+a^4\,c\,e^8\,x^2-36\,a^2\,d^2\,e^6\,{\left (-a\,c\right )}^{3/2}-36\,c^2\,d^6\,e^2\,{\left (-a\,c\right )}^{3/2}+70\,a^2\,c^3\,d^4\,e^4\,x^2+36\,a^3\,c^2\,d^2\,e^6\,x^2+36\,a\,c^4\,d^6\,e^2\,x^2\right )\,\left (a\,\left (\frac {e^3\,\sqrt {-a\,c}}{8}+\frac {c\,d\,e^2}{4}\right )-\frac {c\,d^2\,e\,\sqrt {-a\,c}}{8}\right )}{a^3\,c\,e^4+2\,a^2\,c^2\,d^2\,e^2+a\,c^3\,d^4}-\frac {\frac {d}{4\,\left (c\,d^2+a\,e^2\right )}-\frac {e\,x^2}{4\,\left (c\,d^2+a\,e^2\right )}}{c\,x^4+a}-\frac {\ln \left (c^5\,d^8\,x^2-c^4\,d^8\,\sqrt {-a\,c}-70\,d^4\,e^4\,{\left (-a\,c\right )}^{5/2}-a^4\,e^8\,\sqrt {-a\,c}+a^4\,c\,e^8\,x^2+36\,a^2\,d^2\,e^6\,{\left (-a\,c\right )}^{3/2}+36\,c^2\,d^6\,e^2\,{\left (-a\,c\right )}^{3/2}+70\,a^2\,c^3\,d^4\,e^4\,x^2+36\,a^3\,c^2\,d^2\,e^6\,x^2+36\,a\,c^4\,d^6\,e^2\,x^2\right )\,\left (a\,\left (\frac {e^3\,\sqrt {-a\,c}}{8}-\frac {c\,d\,e^2}{4}\right )-\frac {c\,d^2\,e\,\sqrt {-a\,c}}{8}\right )}{a^3\,c\,e^4+2\,a^2\,c^2\,d^2\,e^2+a\,c^3\,d^4}-\frac {d\,e^2\,\ln \left (e\,x^2+d\right )}{2\,\left (a^2\,e^4+2\,a\,c\,d^2\,e^2+c^2\,d^4\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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