Integrand size = 16, antiderivative size = 21 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=-\frac {1}{6} \log \left (1+x^3\right )+\frac {1}{2} \log \left (3+x^3\right ) \]
[Out]
Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {1371, 646, 31} \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=\frac {1}{2} \log \left (x^3+3\right )-\frac {1}{6} \log \left (x^3+1\right ) \]
[In]
[Out]
Rule 31
Rule 646
Rule 1371
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \text {Subst}\left (\int \frac {x}{3+4 x+x^2} \, dx,x,x^3\right ) \\ & = -\left (\frac {1}{6} \text {Subst}\left (\int \frac {1}{1+x} \, dx,x,x^3\right )\right )+\frac {1}{2} \text {Subst}\left (\int \frac {1}{3+x} \, dx,x,x^3\right ) \\ & = -\frac {1}{6} \log \left (1+x^3\right )+\frac {1}{2} \log \left (3+x^3\right ) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=-\frac {1}{6} \log \left (1+x^3\right )+\frac {1}{2} \log \left (3+x^3\right ) \]
[In]
[Out]
Time = 0.05 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86
method | result | size |
default | \(-\frac {\ln \left (x^{3}+1\right )}{6}+\frac {\ln \left (x^{3}+3\right )}{2}\) | \(18\) |
risch | \(-\frac {\ln \left (x^{3}+1\right )}{6}+\frac {\ln \left (x^{3}+3\right )}{2}\) | \(18\) |
norman | \(-\frac {\ln \left (x +1\right )}{6}+\frac {\ln \left (x^{3}+3\right )}{2}-\frac {\ln \left (x^{2}-x +1\right )}{6}\) | \(27\) |
parallelrisch | \(-\frac {\ln \left (x +1\right )}{6}+\frac {\ln \left (x^{3}+3\right )}{2}-\frac {\ln \left (x^{2}-x +1\right )}{6}\) | \(27\) |
[In]
[Out]
none
Time = 0.24 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=\frac {1}{2} \, \log \left (x^{3} + 3\right ) - \frac {1}{6} \, \log \left (x^{3} + 1\right ) \]
[In]
[Out]
Time = 0.05 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=- \frac {\log {\left (x^{3} + 1 \right )}}{6} + \frac {\log {\left (x^{3} + 3 \right )}}{2} \]
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=\frac {1}{2} \, \log \left (x^{3} + 3\right ) - \frac {1}{6} \, \log \left (x^{3} + 1\right ) \]
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=\frac {1}{2} \, \log \left ({\left | x^{3} + 3 \right |}\right ) - \frac {1}{6} \, \log \left ({\left | x^{3} + 1 \right |}\right ) \]
[In]
[Out]
Time = 0.03 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {x^5}{3+4 x^3+x^6} \, dx=\frac {\ln \left (x^3+3\right )}{2}-\frac {\ln \left (x^3+1\right )}{6} \]
[In]
[Out]