Optimal. Leaf size=138 \[ -\frac {\log \left (x^2-\sqrt [6]{2} \sqrt {3} x+\sqrt [3]{2}\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\log \left (x^2+\sqrt [6]{2} \sqrt {3} x+\sqrt [3]{2}\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\tan ^{-1}\left (\frac {x}{\sqrt [6]{2}}\right )}{3\ 2^{5/6}}-\frac {\tan ^{-1}\left (\sqrt {3}-2^{5/6} x\right )}{6\ 2^{5/6}}+\frac {\tan ^{-1}\left (2^{5/6} x+\sqrt {3}\right )}{6\ 2^{5/6}} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.28, antiderivative size = 138, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 6, integrand size = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.857, Rules used = {209, 634, 618, 204, 628, 203} \[ -\frac {\log \left (x^2-\sqrt [6]{2} \sqrt {3} x+\sqrt [3]{2}\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\log \left (x^2+\sqrt [6]{2} \sqrt {3} x+\sqrt [3]{2}\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\tan ^{-1}\left (\frac {x}{\sqrt [6]{2}}\right )}{3\ 2^{5/6}}-\frac {\tan ^{-1}\left (\sqrt {3}-2^{5/6} x\right )}{6\ 2^{5/6}}+\frac {\tan ^{-1}\left (2^{5/6} x+\sqrt {3}\right )}{6\ 2^{5/6}} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 203
Rule 204
Rule 209
Rule 618
Rule 628
Rule 634
Rubi steps
\begin {align*} \int \frac {1}{2+x^6} \, dx &=\frac {\int \frac {\sqrt [6]{2}-\frac {\sqrt {3} x}{2}}{\sqrt [3]{2}-\sqrt [6]{2} \sqrt {3} x+x^2} \, dx}{3\ 2^{5/6}}+\frac {\int \frac {\sqrt [6]{2}+\frac {\sqrt {3} x}{2}}{\sqrt [3]{2}+\sqrt [6]{2} \sqrt {3} x+x^2} \, dx}{3\ 2^{5/6}}+\frac {\int \frac {1}{\sqrt [3]{2}+x^2} \, dx}{3\ 2^{2/3}}\\ &=\frac {\tan ^{-1}\left (\frac {x}{\sqrt [6]{2}}\right )}{3\ 2^{5/6}}+\frac {\int \frac {1}{\sqrt [3]{2}-\sqrt [6]{2} \sqrt {3} x+x^2} \, dx}{12\ 2^{2/3}}+\frac {\int \frac {1}{\sqrt [3]{2}+\sqrt [6]{2} \sqrt {3} x+x^2} \, dx}{12\ 2^{2/3}}-\frac {\int \frac {-\sqrt [6]{2} \sqrt {3}+2 x}{\sqrt [3]{2}-\sqrt [6]{2} \sqrt {3} x+x^2} \, dx}{4\ 2^{5/6} \sqrt {3}}+\frac {\int \frac {\sqrt [6]{2} \sqrt {3}+2 x}{\sqrt [3]{2}+\sqrt [6]{2} \sqrt {3} x+x^2} \, dx}{4\ 2^{5/6} \sqrt {3}}\\ &=\frac {\tan ^{-1}\left (\frac {x}{\sqrt [6]{2}}\right )}{3\ 2^{5/6}}-\frac {\log \left (\sqrt [3]{2}-\sqrt [6]{2} \sqrt {3} x+x^2\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\log \left (\sqrt [3]{2}+\sqrt [6]{2} \sqrt {3} x+x^2\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\operatorname {Subst}\left (\int \frac {1}{-\frac {1}{3}-x^2} \, dx,x,1-\frac {2^{5/6} x}{\sqrt {3}}\right )}{6\ 2^{5/6} \sqrt {3}}-\frac {\operatorname {Subst}\left (\int \frac {1}{-\frac {1}{3}-x^2} \, dx,x,1+\frac {2^{5/6} x}{\sqrt {3}}\right )}{6\ 2^{5/6} \sqrt {3}}\\ &=\frac {\tan ^{-1}\left (\frac {x}{\sqrt [6]{2}}\right )}{3\ 2^{5/6}}-\frac {\tan ^{-1}\left (\sqrt {3}-2^{5/6} x\right )}{6\ 2^{5/6}}+\frac {\tan ^{-1}\left (\sqrt {3}+2^{5/6} x\right )}{6\ 2^{5/6}}-\frac {\log \left (\sqrt [3]{2}-\sqrt [6]{2} \sqrt {3} x+x^2\right )}{4\ 2^{5/6} \sqrt {3}}+\frac {\log \left (\sqrt [3]{2}+\sqrt [6]{2} \sqrt {3} x+x^2\right )}{4\ 2^{5/6} \sqrt {3}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.03, size = 115, normalized size = 0.83 \[ \frac {-\sqrt {3} \log \left (2^{2/3} x^2-2^{5/6} \sqrt {3} x+2\right )+\sqrt {3} \log \left (2^{2/3} x^2+2^{5/6} \sqrt {3} x+2\right )+4 \tan ^{-1}\left (\frac {x}{\sqrt [6]{2}}\right )-2 \tan ^{-1}\left (\sqrt {3}-2^{5/6} x\right )+2 \tan ^{-1}\left (2^{5/6} x+\sqrt {3}\right )}{12\ 2^{5/6}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.43, size = 177, normalized size = 1.28 \[ \frac {1}{384} \cdot 32^{\frac {5}{6}} \sqrt {3} \log \left (32^{\frac {5}{6}} \sqrt {3} x + 16 \, x^{2} + 8 \cdot 4^{\frac {2}{3}}\right ) - \frac {1}{384} \cdot 32^{\frac {5}{6}} \sqrt {3} \log \left (-32^{\frac {5}{6}} \sqrt {3} x + 16 \, x^{2} + 8 \cdot 4^{\frac {2}{3}}\right ) - \frac {1}{48} \cdot 32^{\frac {5}{6}} \arctan \left (\frac {1}{4} \cdot 32^{\frac {1}{6}} \sqrt {2} \sqrt {2 \, x^{2} + 4^{\frac {2}{3}}} - \frac {1}{2} \cdot 32^{\frac {1}{6}} x\right ) - \frac {1}{96} \cdot 32^{\frac {5}{6}} \arctan \left (-32^{\frac {1}{6}} x + \frac {1}{4} \cdot 32^{\frac {1}{6}} \sqrt {32^{\frac {5}{6}} \sqrt {3} x + 16 \, x^{2} + 8 \cdot 4^{\frac {2}{3}}} - \sqrt {3}\right ) - \frac {1}{96} \cdot 32^{\frac {5}{6}} \arctan \left (-32^{\frac {1}{6}} x + \frac {1}{4} \cdot 32^{\frac {1}{6}} \sqrt {-32^{\frac {5}{6}} \sqrt {3} x + 16 \, x^{2} + 8 \cdot 4^{\frac {2}{3}}} + \sqrt {3}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 1.25, size = 107, normalized size = 0.78 \[ \frac {1}{24} \, \sqrt {3} 2^{\frac {1}{6}} \log \left (x^{2} + \sqrt {3} 2^{\frac {1}{6}} x + 2^{\frac {1}{3}}\right ) - \frac {1}{24} \, \sqrt {3} 2^{\frac {1}{6}} \log \left (x^{2} - \sqrt {3} 2^{\frac {1}{6}} x + 2^{\frac {1}{3}}\right ) + \frac {1}{12} \cdot 2^{\frac {1}{6}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {5}{6}} {\left (2 \, x + \sqrt {3} 2^{\frac {1}{6}}\right )}\right ) + \frac {1}{12} \cdot 2^{\frac {1}{6}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {5}{6}} {\left (2 \, x - \sqrt {3} 2^{\frac {1}{6}}\right )}\right ) + \frac {1}{6} \cdot 2^{\frac {1}{6}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {5}{6}} x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.19, size = 95, normalized size = 0.69 \[ \frac {2^{\frac {1}{6}} \arctan \left (\frac {2^{\frac {5}{6}} x}{2}\right )}{6}+\frac {2^{\frac {1}{6}} \arctan \left (2^{\frac {5}{6}} x -\sqrt {3}\right )}{12}+\frac {2^{\frac {1}{6}} \arctan \left (2^{\frac {5}{6}} x +\sqrt {3}\right )}{12}-\frac {2^{\frac {1}{6}} \sqrt {3}\, \ln \left (x^{2}-2^{\frac {1}{6}} \sqrt {3}\, x +2^{\frac {1}{3}}\right )}{24}+\frac {2^{\frac {1}{6}} \sqrt {3}\, \ln \left (x^{2}+2^{\frac {1}{6}} \sqrt {3}\, x +2^{\frac {1}{3}}\right )}{24} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 0.98, size = 107, normalized size = 0.78 \[ \frac {1}{24} \, \sqrt {3} 2^{\frac {1}{6}} \log \left (x^{2} + \sqrt {3} 2^{\frac {1}{6}} x + 2^{\frac {1}{3}}\right ) - \frac {1}{24} \, \sqrt {3} 2^{\frac {1}{6}} \log \left (x^{2} - \sqrt {3} 2^{\frac {1}{6}} x + 2^{\frac {1}{3}}\right ) + \frac {1}{12} \cdot 2^{\frac {1}{6}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {5}{6}} {\left (2 \, x + \sqrt {3} 2^{\frac {1}{6}}\right )}\right ) + \frac {1}{12} \cdot 2^{\frac {1}{6}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {5}{6}} {\left (2 \, x - \sqrt {3} 2^{\frac {1}{6}}\right )}\right ) + \frac {1}{6} \cdot 2^{\frac {1}{6}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {5}{6}} x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 0.13, size = 135, normalized size = 0.98 \[ \frac {2^{1/6}\,\mathrm {atan}\left (\frac {2^{5/6}\,x}{2}\right )}{6}+\frac {2^{1/6}\,\mathrm {atan}\left (\frac {2^{1/6}\,x}{2\,\left (-\frac {2^{1/3}}{2}+\frac {2^{1/3}\,\sqrt {3}\,1{}\mathrm {i}}{2}\right )}+\frac {2^{1/6}\,\sqrt {3}\,x\,1{}\mathrm {i}}{2\,\left (-\frac {2^{1/3}}{2}+\frac {2^{1/3}\,\sqrt {3}\,1{}\mathrm {i}}{2}\right )}\right )\,\left (\sqrt {3}-\mathrm {i}\right )\,1{}\mathrm {i}}{12}+\frac {2^{1/6}\,\mathrm {atan}\left (\frac {2^{1/6}\,x}{2\,\left (\frac {2^{1/3}}{2}+\frac {2^{1/3}\,\sqrt {3}\,1{}\mathrm {i}}{2}\right )}-\frac {2^{1/6}\,\sqrt {3}\,x\,1{}\mathrm {i}}{2\,\left (\frac {2^{1/3}}{2}+\frac {2^{1/3}\,\sqrt {3}\,1{}\mathrm {i}}{2}\right )}\right )\,\left (\sqrt {3}+1{}\mathrm {i}\right )\,1{}\mathrm {i}}{12} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [A] time = 0.28, size = 14, normalized size = 0.10 \[ \operatorname {RootSum} {\left (1492992 t^{6} + 1, \left (t \mapsto t \log {\left (12 t + x \right )} \right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________