Integrand size = 7, antiderivative size = 21 \[ \int x^2 \sin (\log (x)) \, dx=-\frac {1}{10} x^3 \cos (\log (x))+\frac {3}{10} x^3 \sin (\log (x)) \]
[Out]
Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {4573} \[ \int x^2 \sin (\log (x)) \, dx=\frac {3}{10} x^3 \sin (\log (x))-\frac {1}{10} x^3 \cos (\log (x)) \]
[In]
[Out]
Rule 4573
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{10} x^3 \cos (\log (x))+\frac {3}{10} x^3 \sin (\log (x)) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int x^2 \sin (\log (x)) \, dx=-\frac {1}{10} x^3 \cos (\log (x))+\frac {3}{10} x^3 \sin (\log (x)) \]
[In]
[Out]
Result contains complex when optimal does not.
Time = 0.19 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.24
method | result | size |
risch | \(\left (-\frac {1}{20}-\frac {3 i}{20}\right ) x^{3} x^{i}+\left (-\frac {1}{20}+\frac {3 i}{20}\right ) x^{3} x^{-i}\) | \(26\) |
norman | \(\frac {-\frac {x^{3}}{10}+\frac {3 x^{3} \tan \left (\frac {\ln \left (x \right )}{2}\right )}{5}+\frac {x^{3} \tan \left (\frac {\ln \left (x \right )}{2}\right )^{2}}{10}}{1+\tan \left (\frac {\ln \left (x \right )}{2}\right )^{2}}\) | \(41\) |
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int x^2 \sin (\log (x)) \, dx=-\frac {1}{10} \, x^{3} \cos \left (\log \left (x\right )\right ) + \frac {3}{10} \, x^{3} \sin \left (\log \left (x\right )\right ) \]
[In]
[Out]
Time = 0.35 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int x^2 \sin (\log (x)) \, dx=\frac {3 x^{3} \sin {\left (\log {\left (x \right )} \right )}}{10} - \frac {x^{3} \cos {\left (\log {\left (x \right )} \right )}}{10} \]
[In]
[Out]
none
Time = 0.21 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67 \[ \int x^2 \sin (\log (x)) \, dx=-\frac {1}{10} \, x^{3} {\left (\cos \left (\log \left (x\right )\right ) - 3 \, \sin \left (\log \left (x\right )\right )\right )} \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int x^2 \sin (\log (x)) \, dx=-\frac {1}{10} \, x^{3} \cos \left (\log \left (x\right )\right ) + \frac {3}{10} \, x^{3} \sin \left (\log \left (x\right )\right ) \]
[In]
[Out]
Time = 16.24 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67 \[ \int x^2 \sin (\log (x)) \, dx=-\frac {\sqrt {10}\,x^3\,\cos \left (\mathrm {atan}\left (3\right )+\ln \left (x\right )\right )}{10} \]
[In]
[Out]