Optimal. Leaf size=80 \[ \frac {5 x^3}{3}+\frac {\left (24-409 x^2\right ) x}{8 \left (x^4+3 x^2+2\right )}-\frac {\left (207 x^2+206\right ) x}{4 \left (x^4+3 x^2+2\right )^2}-42 x-\frac {449}{8} \tan ^{-1}(x)+\frac {219 \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right )}{\sqrt {2}} \]
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Rubi [A] time = 0.10, antiderivative size = 80, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, integrand size = 31, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.161, Rules used = {1668, 1678, 1676, 1166, 203} \begin {gather*} \frac {5 x^3}{3}+\frac {\left (24-409 x^2\right ) x}{8 \left (x^4+3 x^2+2\right )}-\frac {\left (207 x^2+206\right ) x}{4 \left (x^4+3 x^2+2\right )^2}-42 x-\frac {449}{8} \tan ^{-1}(x)+\frac {219 \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 203
Rule 1166
Rule 1668
Rule 1676
Rule 1678
Rubi steps
\begin {align*} \int \frac {x^8 \left (4+x^2+3 x^4+5 x^6\right )}{\left (2+3 x^2+x^4\right )^3} \, dx &=-\frac {x \left (206+207 x^2\right )}{4 \left (2+3 x^2+x^4\right )^2}-\frac {1}{8} \int \frac {-412+1230 x^2+424 x^4-216 x^6+96 x^8-40 x^{10}}{\left (2+3 x^2+x^4\right )^2} \, dx\\ &=-\frac {x \left (206+207 x^2\right )}{4 \left (2+3 x^2+x^4\right )^2}+\frac {x \left (24-409 x^2\right )}{8 \left (2+3 x^2+x^4\right )}+\frac {1}{32} \int \frac {728+1500 x^2-864 x^4+160 x^6}{2+3 x^2+x^4} \, dx\\ &=-\frac {x \left (206+207 x^2\right )}{4 \left (2+3 x^2+x^4\right )^2}+\frac {x \left (24-409 x^2\right )}{8 \left (2+3 x^2+x^4\right )}+\frac {1}{32} \int \left (-1344+160 x^2+\frac {4 \left (854+1303 x^2\right )}{2+3 x^2+x^4}\right ) \, dx\\ &=-42 x+\frac {5 x^3}{3}-\frac {x \left (206+207 x^2\right )}{4 \left (2+3 x^2+x^4\right )^2}+\frac {x \left (24-409 x^2\right )}{8 \left (2+3 x^2+x^4\right )}+\frac {1}{8} \int \frac {854+1303 x^2}{2+3 x^2+x^4} \, dx\\ &=-42 x+\frac {5 x^3}{3}-\frac {x \left (206+207 x^2\right )}{4 \left (2+3 x^2+x^4\right )^2}+\frac {x \left (24-409 x^2\right )}{8 \left (2+3 x^2+x^4\right )}-\frac {449}{8} \int \frac {1}{1+x^2} \, dx+219 \int \frac {1}{2+x^2} \, dx\\ &=-42 x+\frac {5 x^3}{3}-\frac {x \left (206+207 x^2\right )}{4 \left (2+3 x^2+x^4\right )^2}+\frac {x \left (24-409 x^2\right )}{8 \left (2+3 x^2+x^4\right )}-\frac {449}{8} \tan ^{-1}(x)+\frac {219 \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right )}{\sqrt {2}}\\ \end {align*}
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Mathematica [A] time = 0.05, size = 66, normalized size = 0.82 \begin {gather*} \frac {x \left (40 x^{10}-768 x^8-6755 x^6-16233 x^4-15416 x^2-5124\right )}{24 \left (x^4+3 x^2+2\right )^2}-\frac {449}{8} \tan ^{-1}(x)+\frac {219 \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^8 \left (4+x^2+3 x^4+5 x^6\right )}{\left (2+3 x^2+x^4\right )^3} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 1.32, size = 109, normalized size = 1.36 \begin {gather*} \frac {40 \, x^{11} - 768 \, x^{9} - 6755 \, x^{7} - 16233 \, x^{5} - 15416 \, x^{3} + 2628 \, \sqrt {2} {\left (x^{8} + 6 \, x^{6} + 13 \, x^{4} + 12 \, x^{2} + 4\right )} \arctan \left (\frac {1}{2} \, \sqrt {2} x\right ) - 1347 \, {\left (x^{8} + 6 \, x^{6} + 13 \, x^{4} + 12 \, x^{2} + 4\right )} \arctan \relax (x) - 5124 \, x}{24 \, {\left (x^{8} + 6 \, x^{6} + 13 \, x^{4} + 12 \, x^{2} + 4\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.41, size = 58, normalized size = 0.72 \begin {gather*} \frac {5}{3} \, x^{3} + \frac {219}{2} \, \sqrt {2} \arctan \left (\frac {1}{2} \, \sqrt {2} x\right ) - 42 \, x - \frac {409 \, x^{7} + 1203 \, x^{5} + 1160 \, x^{3} + 364 \, x}{8 \, {\left (x^{4} + 3 \, x^{2} + 2\right )}^{2}} - \frac {449}{8} \, \arctan \relax (x) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 62, normalized size = 0.78 \begin {gather*} \frac {5 x^{3}}{3}-42 x -\frac {449 \arctan \relax (x )}{8}+\frac {219 \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, x}{2}\right )}{2}-\frac {-\frac {15}{8} x^{3}-\frac {17}{8} x}{\left (x^{2}+1\right )^{2}}+\frac {-53 x^{3}-54 x}{\left (x^{2}+2\right )^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.91, size = 68, normalized size = 0.85 \begin {gather*} \frac {5}{3} \, x^{3} + \frac {219}{2} \, \sqrt {2} \arctan \left (\frac {1}{2} \, \sqrt {2} x\right ) - 42 \, x - \frac {409 \, x^{7} + 1203 \, x^{5} + 1160 \, x^{3} + 364 \, x}{8 \, {\left (x^{8} + 6 \, x^{6} + 13 \, x^{4} + 12 \, x^{2} + 4\right )}} - \frac {449}{8} \, \arctan \relax (x) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.05, size = 68, normalized size = 0.85 \begin {gather*} \frac {219\,\sqrt {2}\,\mathrm {atan}\left (\frac {\sqrt {2}\,x}{2}\right )}{2}-\frac {449\,\mathrm {atan}\relax (x)}{8}-42\,x-\frac {\frac {409\,x^7}{8}+\frac {1203\,x^5}{8}+145\,x^3+\frac {91\,x}{2}}{x^8+6\,x^6+13\,x^4+12\,x^2+4}+\frac {5\,x^3}{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.26, size = 76, normalized size = 0.95 \begin {gather*} \frac {5 x^{3}}{3} - 42 x + \frac {- 409 x^{7} - 1203 x^{5} - 1160 x^{3} - 364 x}{8 x^{8} + 48 x^{6} + 104 x^{4} + 96 x^{2} + 32} - \frac {449 \operatorname {atan}{\relax (x )}}{8} + \frac {219 \sqrt {2} \operatorname {atan}{\left (\frac {\sqrt {2} x}{2} \right )}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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