Optimal. Leaf size=16 \[ -\frac {1}{3 x^3}-\frac {1}{3} \tan ^{-1}\left (x^3\right ) \]
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Rubi [A]
time = 0.00, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.273, Rules used = {281, 331, 209}
\begin {gather*} -\frac {1}{3} \text {ArcTan}\left (x^3\right )-\frac {1}{3 x^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 209
Rule 281
Rule 331
Rubi steps
\begin {align*} \int \frac {1}{x^4 \left (1+x^6\right )} \, dx &=\frac {1}{3} \text {Subst}\left (\int \frac {1}{x^2 \left (1+x^2\right )} \, dx,x,x^3\right )\\ &=-\frac {1}{3 x^3}-\frac {1}{3} \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,x^3\right )\\ &=-\frac {1}{3 x^3}-\frac {1}{3} \tan ^{-1}\left (x^3\right )\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 16, normalized size = 1.00 \begin {gather*} -\frac {1}{3 x^3}+\frac {1}{3} \tan ^{-1}\left (\frac {1}{x^3}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(32\) vs.
\(2(12)=24\).
time = 0.18, size = 33, normalized size = 2.06
method | result | size |
meijerg | \(-\frac {1}{3 x^{3}}-\frac {\arctan \left (x^{3}\right )}{3}\) | \(13\) |
risch | \(-\frac {1}{3 x^{3}}-\frac {\arctan \left (x^{3}\right )}{3}\) | \(13\) |
default | \(-\frac {\arctan \left (2 x +\sqrt {3}\right )}{3}-\frac {\arctan \left (2 x -\sqrt {3}\right )}{3}-\frac {1}{3 x^{3}}+\frac {\arctan \left (x \right )}{3}\) | \(33\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.52, size = 12, normalized size = 0.75 \begin {gather*} -\frac {1}{3 \, x^{3}} - \frac {1}{3} \, \arctan \left (x^{3}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.38, size = 15, normalized size = 0.94 \begin {gather*} -\frac {x^{3} \arctan \left (x^{3}\right ) + 1}{3 \, x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.04, size = 14, normalized size = 0.88 \begin {gather*} - \frac {\operatorname {atan}{\left (x^{3} \right )}}{3} - \frac {1}{3 x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.10, size = 12, normalized size = 0.75 \begin {gather*} -\frac {1}{3 \, x^{3}} - \frac {1}{3} \, \arctan \left (x^{3}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.02, size = 12, normalized size = 0.75 \begin {gather*} -\frac {\mathrm {atan}\left (x^3\right )}{3}-\frac {1}{3\,x^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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