Optimal. Leaf size=158 \[ -\frac {\left (-a b e-2 a c d+b^2 d\right ) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 c \sqrt {b^2-4 a c} \left (a e^2-b d e+c d^2\right )}+\frac {d^2 \log \left (d+e x^2\right )}{2 e \left (a e^2-b d e+c d^2\right )}-\frac {(b d-a e) \log \left (a+b x^2+c x^4\right )}{4 c \left (a e^2-b d e+c d^2\right )} \]
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Rubi [A] time = 0.26, antiderivative size = 158, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {1251, 1628, 634, 618, 206, 628} \[ -\frac {\left (-a b e-2 a c d+b^2 d\right ) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 c \sqrt {b^2-4 a c} \left (a e^2-b d e+c d^2\right )}+\frac {d^2 \log \left (d+e x^2\right )}{2 e \left (a e^2-b d e+c d^2\right )}-\frac {(b d-a e) \log \left (a+b x^2+c x^4\right )}{4 c \left (a e^2-b d e+c d^2\right )} \]
Antiderivative was successfully verified.
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Rule 206
Rule 618
Rule 628
Rule 634
Rule 1251
Rule 1628
Rubi steps
\begin {align*} \int \frac {x^5}{\left (d+e x^2\right ) \left (a+b x^2+c x^4\right )} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x^2}{(d+e x) \left (a+b x+c x^2\right )} \, dx,x,x^2\right )\\ &=\frac {1}{2} \operatorname {Subst}\left (\int \left (\frac {d^2}{\left (c d^2-b d e+a e^2\right ) (d+e x)}+\frac {-a d-(b d-a e) x}{\left (c d^2-b d e+a e^2\right ) \left (a+b x+c x^2\right )}\right ) \, dx,x,x^2\right )\\ &=\frac {d^2 \log \left (d+e x^2\right )}{2 e \left (c d^2-b d e+a e^2\right )}+\frac {\operatorname {Subst}\left (\int \frac {-a d-(b d-a e) x}{a+b x+c x^2} \, dx,x,x^2\right )}{2 \left (c d^2-b d e+a e^2\right )}\\ &=\frac {d^2 \log \left (d+e x^2\right )}{2 e \left (c d^2-b d e+a e^2\right )}-\frac {(b d-a e) \operatorname {Subst}\left (\int \frac {b+2 c x}{a+b x+c x^2} \, dx,x,x^2\right )}{4 c \left (c d^2-b d e+a e^2\right )}+\frac {\left (b^2 d-2 a c d-a b e\right ) \operatorname {Subst}\left (\int \frac {1}{a+b x+c x^2} \, dx,x,x^2\right )}{4 c \left (c d^2-b d e+a e^2\right )}\\ &=\frac {d^2 \log \left (d+e x^2\right )}{2 e \left (c d^2-b d e+a e^2\right )}-\frac {(b d-a e) \log \left (a+b x^2+c x^4\right )}{4 c \left (c d^2-b d e+a e^2\right )}-\frac {\left (b^2 d-2 a c d-a b e\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x^2\right )}{2 c \left (c d^2-b d e+a e^2\right )}\\ &=-\frac {\left (b^2 d-2 a c d-a b e\right ) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 c \sqrt {b^2-4 a c} \left (c d^2-b d e+a e^2\right )}+\frac {d^2 \log \left (d+e x^2\right )}{2 e \left (c d^2-b d e+a e^2\right )}-\frac {(b d-a e) \log \left (a+b x^2+c x^4\right )}{4 c \left (c d^2-b d e+a e^2\right )}\\ \end {align*}
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Mathematica [A] time = 0.11, size = 139, normalized size = 0.88 \[ -\frac {\sqrt {4 a c-b^2} \left (e (b d-a e) \log \left (a+b x^2+c x^4\right )-2 c d^2 \log \left (d+e x^2\right )\right )+2 e \left (a b e+2 a c d+b^2 (-d)\right ) \tan ^{-1}\left (\frac {b+2 c x^2}{\sqrt {4 a c-b^2}}\right )}{4 c e \sqrt {4 a c-b^2} \left (e (a e-b d)+c d^2\right )} \]
Antiderivative was successfully verified.
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fricas [A] time = 144.36, size = 421, normalized size = 2.66 \[ \left [\frac {2 \, {\left (b^{2} c - 4 \, a c^{2}\right )} d^{2} \log \left (e x^{2} + d\right ) + {\left (a b e^{2} - {\left (b^{2} - 2 \, a c\right )} d e\right )} \sqrt {b^{2} - 4 \, a c} \log \left (\frac {2 \, c^{2} x^{4} + 2 \, b c x^{2} + b^{2} - 2 \, a c + {\left (2 \, c x^{2} + b\right )} \sqrt {b^{2} - 4 \, a c}}{c x^{4} + b x^{2} + a}\right ) - {\left ({\left (b^{3} - 4 \, a b c\right )} d e - {\left (a b^{2} - 4 \, a^{2} c\right )} e^{2}\right )} \log \left (c x^{4} + b x^{2} + a\right )}{4 \, {\left ({\left (b^{2} c^{2} - 4 \, a c^{3}\right )} d^{2} e - {\left (b^{3} c - 4 \, a b c^{2}\right )} d e^{2} + {\left (a b^{2} c - 4 \, a^{2} c^{2}\right )} e^{3}\right )}}, \frac {2 \, {\left (b^{2} c - 4 \, a c^{2}\right )} d^{2} \log \left (e x^{2} + d\right ) + 2 \, {\left (a b e^{2} - {\left (b^{2} - 2 \, a c\right )} d e\right )} \sqrt {-b^{2} + 4 \, a c} \arctan \left (-\frac {{\left (2 \, c x^{2} + b\right )} \sqrt {-b^{2} + 4 \, a c}}{b^{2} - 4 \, a c}\right ) - {\left ({\left (b^{3} - 4 \, a b c\right )} d e - {\left (a b^{2} - 4 \, a^{2} c\right )} e^{2}\right )} \log \left (c x^{4} + b x^{2} + a\right )}{4 \, {\left ({\left (b^{2} c^{2} - 4 \, a c^{3}\right )} d^{2} e - {\left (b^{3} c - 4 \, a b c^{2}\right )} d e^{2} + {\left (a b^{2} c - 4 \, a^{2} c^{2}\right )} e^{3}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.84, size = 157, normalized size = 0.99 \[ \frac {d^{2} \log \left ({\left | x^{2} e + d \right |}\right )}{2 \, {\left (c d^{2} e - b d e^{2} + a e^{3}\right )}} - \frac {{\left (b d - a e\right )} \log \left (c x^{4} + b x^{2} + a\right )}{4 \, {\left (c^{2} d^{2} - b c d e + a c e^{2}\right )}} + \frac {{\left (b^{2} d - 2 \, a c d - a b e\right )} \arctan \left (\frac {2 \, c x^{2} + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{2 \, {\left (c^{2} d^{2} - b c d e + a c e^{2}\right )} \sqrt {-b^{2} + 4 \, a c}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 289, normalized size = 1.83 \[ -\frac {a b e \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{2 \left (a \,e^{2}-d e b +c \,d^{2}\right ) \sqrt {4 a c -b^{2}}\, c}-\frac {a d \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{\left (a \,e^{2}-d e b +c \,d^{2}\right ) \sqrt {4 a c -b^{2}}}+\frac {b^{2} d \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{2 \left (a \,e^{2}-d e b +c \,d^{2}\right ) \sqrt {4 a c -b^{2}}\, c}+\frac {a e \ln \left (c \,x^{4}+b \,x^{2}+a \right )}{4 \left (a \,e^{2}-d e b +c \,d^{2}\right ) c}-\frac {b d \ln \left (c \,x^{4}+b \,x^{2}+a \right )}{4 \left (a \,e^{2}-d e b +c \,d^{2}\right ) c}+\frac {d^{2} \ln \left (e \,x^{2}+d \right )}{2 \left (a \,e^{2}-d e b +c \,d^{2}\right ) e} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 11.05, size = 1853, normalized size = 11.73 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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