Optimal. Leaf size=27 \[ \log \left (3 \left (-4-\log \left (\log \left (\frac {2 x^2}{3-x+\frac {\log (x)}{x}}\right )\right )\right )\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.27, antiderivative size = 22, normalized size of antiderivative = 0.81, number of steps
used = 2, number of rules used = 2, integrand size = 109, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.018, Rules used = {6820, 6816}
\begin {gather*} \log \left (\log \left (\log \left (\frac {2 x^3}{(3-x) x+\log (x)}\right )\right )+4\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 6816
Rule 6820
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {1-6 x+x^2-3 \log (x)}{x ((-3+x) x-\log (x)) \log \left (\frac {2 x^3}{-((-3+x) x)+\log (x)}\right ) \left (4+\log \left (\log \left (\frac {2 x^3}{-((-3+x) x)+\log (x)}\right )\right )\right )} \, dx\\ &=\log \left (4+\log \left (\log \left (\frac {2 x^3}{(3-x) x+\log (x)}\right )\right )\right )\\ \end {aligned} \end {gather*}
________________________________________________________________________________________
Mathematica [A]
time = 0.09, size = 21, normalized size = 0.78 \begin {gather*} \log \left (4+\log \left (\log \left (\frac {2 x^3}{-((-3+x) x)+\log (x)}\right )\right )\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
3.
time = 10.41, size = 191, normalized size = 7.07
method | result | size |
default | \(\ln \left (\ln \left (\ln \left (2\right )+3 \ln \left (x \right )-\ln \left (\ln \left (x \right )-x^{2}+3 x \right )-\frac {i \pi \,\mathrm {csgn}\left (i x^{2}\right ) \left (-\mathrm {csgn}\left (i x^{2}\right )+\mathrm {csgn}\left (i x \right )\right )^{2}}{2}-\frac {i \pi \,\mathrm {csgn}\left (i x^{3}\right ) \left (-\mathrm {csgn}\left (i x^{3}\right )+\mathrm {csgn}\left (i x^{2}\right )\right ) \left (-\mathrm {csgn}\left (i x^{3}\right )+\mathrm {csgn}\left (i x \right )\right )}{2}-\frac {i \pi \,\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right ) \left (-\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right )+\mathrm {csgn}\left (i x^{3}\right )\right ) \left (-\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right )+\mathrm {csgn}\left (\frac {i}{\ln \left (x \right )-x^{2}+3 x}\right )\right )}{2}\right )+4\right )\) | \(191\) |
risch | \(\ln \left (\ln \left (\ln \left (2\right )+i \pi +3 \ln \left (x \right )-\ln \left (-\ln \left (x \right )+x^{2}-3 x \right )-\frac {i \pi \,\mathrm {csgn}\left (i x^{2}\right ) \left (-\mathrm {csgn}\left (i x^{2}\right )+\mathrm {csgn}\left (i x \right )\right )^{2}}{2}-\frac {i \pi \,\mathrm {csgn}\left (i x^{3}\right ) \left (-\mathrm {csgn}\left (i x^{3}\right )+\mathrm {csgn}\left (i x^{2}\right )\right ) \left (-\mathrm {csgn}\left (i x^{3}\right )+\mathrm {csgn}\left (i x \right )\right )}{2}+\frac {i \pi \,\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right ) \left (\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right )+\mathrm {csgn}\left (i x^{3}\right )\right ) \left (\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right )-\mathrm {csgn}\left (\frac {i}{\ln \left (x \right )-x^{2}+3 x}\right )\right )}{2}+i \pi \mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right )^{2} \left (-\mathrm {csgn}\left (\frac {i x^{3}}{\ln \left (x \right )-x^{2}+3 x}\right )-1\right )\right )+4\right )\) | \(243\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A]
time = 0.52, size = 25, normalized size = 0.93 \begin {gather*} \log \left (\log \left (\log \left (2\right ) - \log \left (-x^{2} + 3 \, x + \log \left (x\right )\right ) + 3 \, \log \left (x\right )\right ) + 4\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A]
time = 0.50, size = 23, normalized size = 0.85 \begin {gather*} \log \left (\log \left (\log \left (-\frac {2 \, x^{3}}{x^{2} - 3 \, x - \log \left (x\right )}\right )\right ) + 4\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A]
time = 1.10, size = 20, normalized size = 0.74 \begin {gather*} \log {\left (\log {\left (\log {\left (\frac {2 x^{3}}{- x^{2} + 3 x + \log {\left (x \right )}} \right )} \right )} + 4 \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Mupad [B]
time = 3.03, size = 23, normalized size = 0.85 \begin {gather*} \ln \left (\ln \left (\ln \left (\frac {2\,x^3}{3\,x+\ln \left (x\right )-x^2}\right )\right )+4\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________