Optimal. Leaf size=35 \[ \frac {1}{5} x^2 \sqrt {x+x^6}+\frac {1}{5} \tanh ^{-1}\left (\frac {x^3}{\sqrt {x+x^6}}\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 35, 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 = {2046, 2054,
212} \begin {gather*} \frac {1}{5} \tanh ^{-1}\left (\frac {x^3}{\sqrt {x^6+x}}\right )+\frac {1}{5} \sqrt {x^6+x} x^2 \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 2046
Rule 2054
Rubi steps
\begin {align*} \int x \sqrt {x+x^6} \, dx &=\frac {1}{5} x^2 \sqrt {x+x^6}+\frac {1}{2} \int \frac {x^2}{\sqrt {x+x^6}} \, dx\\ &=\frac {1}{5} x^2 \sqrt {x+x^6}+\frac {1}{5} \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {x^3}{\sqrt {x+x^6}}\right )\\ &=\frac {1}{5} x^2 \sqrt {x+x^6}+\frac {1}{5} \tanh ^{-1}\left (\frac {x^3}{\sqrt {x+x^6}}\right )\\ \end {align*}
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Mathematica [A]
time = 0.13, size = 50, normalized size = 1.43 \begin {gather*} \frac {\sqrt {x+x^6} \left (x^{5/2}+\frac {\tanh ^{-1}\left (\frac {x^{5/2}}{\sqrt {1+x^5}}\right )}{\sqrt {1+x^5}}\right )}{5 \sqrt {x}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.46, size = 27, normalized size = 0.77
method | result | size |
risch | \(\frac {x^{3} \left (x^{5}+1\right )}{5 \sqrt {x \left (x^{5}+1\right )}}+\frac {\arcsinh \left (x^{\frac {5}{2}}\right )}{5}\) | \(27\) |
meijerg | \(-\frac {-2 \sqrt {\pi }\, x^{\frac {5}{2}} \sqrt {x^{5}+1}-2 \sqrt {\pi }\, \arcsinh \left (x^{\frac {5}{2}}\right )}{10 \sqrt {\pi }}\) | \(31\) |
trager | \(\frac {x^{2} \sqrt {x^{6}+x}}{5}-\frac {\ln \left (-2 x^{5}+2 x^{2} \sqrt {x^{6}+x}-1\right )}{10}\) | \(36\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.45, size = 35, normalized size = 1.00 \begin {gather*} \frac {1}{5} \, \sqrt {x^{6} + x} x^{2} + \frac {1}{10} \, \log \left (2 \, x^{5} + 2 \, \sqrt {x^{6} + x} x^{2} + 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int x \sqrt {x \left (x + 1\right ) \left (x^{4} - x^{3} + x^{2} - x + 1\right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int x\,\sqrt {x^6+x} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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