Optimal. Leaf size=38 \[ \frac {1}{4} \log \left (x^2+1\right )-\frac {1}{3} \log \left (x^2-x+1\right )+\frac {1}{6} \log (x+1)+\frac {1}{2} \tan ^{-1}(x) \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.02, antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.385, Rules used = {2058, 635, 203, 260, 628} \[ \frac {1}{4} \log \left (x^2+1\right )-\frac {1}{3} \log \left (x^2-x+1\right )+\frac {1}{6} \log (x+1)+\frac {1}{2} \tan ^{-1}(x) \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 203
Rule 260
Rule 628
Rule 635
Rule 2058
Rubi steps
\begin {align*} \int \frac {1}{1+x^2+x^3+x^5} \, dx &=\int \left (\frac {1}{6 (1+x)}+\frac {1+x}{2 \left (1+x^2\right )}+\frac {1-2 x}{3 \left (1-x+x^2\right )}\right ) \, dx\\ &=\frac {1}{6} \log (1+x)+\frac {1}{3} \int \frac {1-2 x}{1-x+x^2} \, dx+\frac {1}{2} \int \frac {1+x}{1+x^2} \, dx\\ &=\frac {1}{6} \log (1+x)-\frac {1}{3} \log \left (1-x+x^2\right )+\frac {1}{2} \int \frac {1}{1+x^2} \, dx+\frac {1}{2} \int \frac {x}{1+x^2} \, dx\\ &=\frac {1}{2} \tan ^{-1}(x)+\frac {1}{6} \log (1+x)+\frac {1}{4} \log \left (1+x^2\right )-\frac {1}{3} \log \left (1-x+x^2\right )\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.01, size = 38, normalized size = 1.00 \[ \frac {1}{4} \log \left (x^2+1\right )-\frac {1}{3} \log \left (x^2-x+1\right )+\frac {1}{6} \log (x+1)+\frac {1}{2} \tan ^{-1}(x) \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.79, size = 30, normalized size = 0.79 \[ \frac {1}{2} \, \arctan \relax (x) - \frac {1}{3} \, \log \left (x^{2} - x + 1\right ) + \frac {1}{4} \, \log \left (x^{2} + 1\right ) + \frac {1}{6} \, \log \left (x + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 0.29, size = 31, normalized size = 0.82 \[ \frac {1}{2} \, \arctan \relax (x) - \frac {1}{3} \, \log \left (x^{2} - x + 1\right ) + \frac {1}{4} \, \log \left (x^{2} + 1\right ) + \frac {1}{6} \, \log \left ({\left | x + 1 \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.01, size = 31, normalized size = 0.82 \[ \frac {\arctan \relax (x )}{2}+\frac {\ln \left (x +1\right )}{6}+\frac {\ln \left (x^{2}+1\right )}{4}-\frac {\ln \left (x^{2}-x +1\right )}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 1.11, size = 30, normalized size = 0.79 \[ \frac {1}{2} \, \arctan \relax (x) - \frac {1}{3} \, \log \left (x^{2} - x + 1\right ) + \frac {1}{4} \, \log \left (x^{2} + 1\right ) + \frac {1}{6} \, \log \left (x + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 2.16, size = 36, normalized size = 0.95 \[ \frac {\ln \left (x+1\right )}{6}-\frac {\ln \left (x^2-x+1\right )}{3}+\ln \left (x-\mathrm {i}\right )\,\left (\frac {1}{4}-\frac {1}{4}{}\mathrm {i}\right )+\ln \left (x+1{}\mathrm {i}\right )\,\left (\frac {1}{4}+\frac {1}{4}{}\mathrm {i}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [A] time = 0.15, size = 29, normalized size = 0.76 \[ \frac {\log {\left (x + 1 \right )}}{6} + \frac {\log {\left (x^{2} + 1 \right )}}{4} - \frac {\log {\left (x^{2} - x + 1 \right )}}{3} + \frac {\operatorname {atan}{\relax (x )}}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________