Optimal. Leaf size=56 \[ -27 x+\frac {5 x^3}{3}-\frac {x \left (50+51 x^2\right )}{2 \left (2+3 x^2+x^4\right )}+\frac {13}{2} \tan ^{-1}(x)+33 \sqrt {2} \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right ) \]
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Rubi [A]
time = 0.05, antiderivative size = 56, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 4, integrand size = 31, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.129, Rules used = {1682, 1690,
1180, 209} \begin {gather*} \frac {13 \text {ArcTan}(x)}{2}+33 \sqrt {2} \text {ArcTan}\left (\frac {x}{\sqrt {2}}\right )+\frac {5 x^3}{3}-\frac {\left (51 x^2+50\right ) x}{2 \left (x^4+3 x^2+2\right )}-27 x \end {gather*}
Antiderivative was successfully verified.
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Rule 209
Rule 1180
Rule 1682
Rule 1690
Rubi steps
\begin {align*} \int \frac {x^4 \left (4+x^2+3 x^4+5 x^6\right )}{\left (2+3 x^2+x^4\right )^2} \, dx &=-\frac {x \left (50+51 x^2\right )}{2 \left (2+3 x^2+x^4\right )}-\frac {1}{4} \int \frac {-100-6 x^2+48 x^4-20 x^6}{2+3 x^2+x^4} \, dx\\ &=-\frac {x \left (50+51 x^2\right )}{2 \left (2+3 x^2+x^4\right )}-\frac {1}{4} \int \left (108-20 x^2-\frac {2 \left (158+145 x^2\right )}{2+3 x^2+x^4}\right ) \, dx\\ &=-27 x+\frac {5 x^3}{3}-\frac {x \left (50+51 x^2\right )}{2 \left (2+3 x^2+x^4\right )}+\frac {1}{2} \int \frac {158+145 x^2}{2+3 x^2+x^4} \, dx\\ &=-27 x+\frac {5 x^3}{3}-\frac {x \left (50+51 x^2\right )}{2 \left (2+3 x^2+x^4\right )}+\frac {13}{2} \int \frac {1}{1+x^2} \, dx+66 \int \frac {1}{2+x^2} \, dx\\ &=-27 x+\frac {5 x^3}{3}-\frac {x \left (50+51 x^2\right )}{2 \left (2+3 x^2+x^4\right )}+\frac {13}{2} \tan ^{-1}(x)+33 \sqrt {2} \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right )\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 57, normalized size = 1.02 \begin {gather*} -27 x+\frac {5 x^3}{3}+\frac {-50 x-51 x^3}{2 \left (2+3 x^2+x^4\right )}+\frac {13}{2} \tan ^{-1}(x)+33 \sqrt {2} \tan ^{-1}\left (\frac {x}{\sqrt {2}}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.03, size = 46, normalized size = 0.82
method | result | size |
default | \(\frac {5 x^{3}}{3}-27 x +\frac {x}{2 x^{2}+2}+\frac {13 \arctan \left (x \right )}{2}-\frac {26 x}{x^{2}+2}+33 \arctan \left (\frac {\sqrt {2}\, x}{2}\right ) \sqrt {2}\) | \(46\) |
risch | \(\frac {5 x^{3}}{3}-27 x +\frac {-\frac {51}{2} x^{3}-25 x}{x^{4}+3 x^{2}+2}+33 \arctan \left (\frac {\sqrt {2}\, x}{2}\right ) \sqrt {2}+\frac {13 \arctan \left (x \right )}{2}\) | \(48\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 48, normalized size = 0.86 \begin {gather*} \frac {5}{3} \, x^{3} + 33 \, \sqrt {2} \arctan \left (\frac {1}{2} \, \sqrt {2} x\right ) - 27 \, x - \frac {51 \, x^{3} + 50 \, x}{2 \, {\left (x^{4} + 3 \, x^{2} + 2\right )}} + \frac {13}{2} \, \arctan \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 69, normalized size = 1.23 \begin {gather*} \frac {10 \, x^{7} - 132 \, x^{5} - 619 \, x^{3} + 198 \, \sqrt {2} {\left (x^{4} + 3 \, x^{2} + 2\right )} \arctan \left (\frac {1}{2} \, \sqrt {2} x\right ) + 39 \, {\left (x^{4} + 3 \, x^{2} + 2\right )} \arctan \left (x\right ) - 474 \, x}{6 \, {\left (x^{4} + 3 \, x^{2} + 2\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.08, size = 54, normalized size = 0.96 \begin {gather*} \frac {5 x^{3}}{3} - 27 x + \frac {- 51 x^{3} - 50 x}{2 x^{4} + 6 x^{2} + 4} + \frac {13 \operatorname {atan}{\left (x \right )}}{2} + 33 \sqrt {2} \operatorname {atan}{\left (\frac {\sqrt {2} x}{2} \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 5.47, size = 48, normalized size = 0.86 \begin {gather*} \frac {5}{3} \, x^{3} + 33 \, \sqrt {2} \arctan \left (\frac {1}{2} \, \sqrt {2} x\right ) - 27 \, x - \frac {51 \, x^{3} + 50 \, x}{2 \, {\left (x^{4} + 3 \, x^{2} + 2\right )}} + \frac {13}{2} \, \arctan \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.92, size = 48, normalized size = 0.86 \begin {gather*} \frac {13\,\mathrm {atan}\left (x\right )}{2}-27\,x+33\,\sqrt {2}\,\mathrm {atan}\left (\frac {\sqrt {2}\,x}{2}\right )-\frac {\frac {51\,x^3}{2}+25\,x}{x^4+3\,x^2+2}+\frac {5\,x^3}{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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