Integrand size = 10, antiderivative size = 32 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {1}{4 x^2}-\frac {\log (c x)}{2 x^2}-\frac {\log ^2(c x)}{2 x^2} \]
[Out]
Time = 0.01 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2342, 2341} \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {\log ^2(c x)}{2 x^2}-\frac {\log (c x)}{2 x^2}-\frac {1}{4 x^2} \]
[In]
[Out]
Rule 2341
Rule 2342
Rubi steps \begin{align*} \text {integral}& = -\frac {\log ^2(c x)}{2 x^2}+\int \frac {\log (c x)}{x^3} \, dx \\ & = -\frac {1}{4 x^2}-\frac {\log (c x)}{2 x^2}-\frac {\log ^2(c x)}{2 x^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.00 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {1}{4 x^2}-\frac {\log (c x)}{2 x^2}-\frac {\log ^2(c x)}{2 x^2} \]
[In]
[Out]
Time = 0.02 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.66
method | result | size |
norman | \(\frac {-\frac {1}{4}-\frac {\ln \left (x c \right )^{2}}{2}-\frac {\ln \left (x c \right )}{2}}{x^{2}}\) | \(21\) |
parallelrisch | \(\frac {-1-2 \ln \left (x c \right )^{2}-2 \ln \left (x c \right )}{4 x^{2}}\) | \(22\) |
risch | \(-\frac {1}{4 x^{2}}-\frac {\ln \left (x c \right )}{2 x^{2}}-\frac {\ln \left (x c \right )^{2}}{2 x^{2}}\) | \(27\) |
parts | \(-\frac {\ln \left (x c \right )^{2}}{2 x^{2}}+c^{2} \left (-\frac {\ln \left (x c \right )}{2 x^{2} c^{2}}-\frac {1}{4 x^{2} c^{2}}\right )\) | \(38\) |
derivativedivides | \(c^{2} \left (-\frac {\ln \left (x c \right )^{2}}{2 x^{2} c^{2}}-\frac {\ln \left (x c \right )}{2 x^{2} c^{2}}-\frac {1}{4 x^{2} c^{2}}\right )\) | \(40\) |
default | \(c^{2} \left (-\frac {\ln \left (x c \right )^{2}}{2 x^{2} c^{2}}-\frac {\ln \left (x c \right )}{2 x^{2} c^{2}}-\frac {1}{4 x^{2} c^{2}}\right )\) | \(40\) |
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.66 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {2 \, \log \left (c x\right )^{2} + 2 \, \log \left (c x\right ) + 1}{4 \, x^{2}} \]
[In]
[Out]
Time = 0.06 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.91 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=- \frac {\log {\left (c x \right )}^{2}}{2 x^{2}} - \frac {\log {\left (c x \right )}}{2 x^{2}} - \frac {1}{4 x^{2}} \]
[In]
[Out]
none
Time = 0.21 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.66 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {2 \, \log \left (c x\right )^{2} + 2 \, \log \left (c x\right ) + 1}{4 \, x^{2}} \]
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.81 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {\log \left (c x\right )^{2}}{2 \, x^{2}} - \frac {\log \left (c x\right )}{2 \, x^{2}} - \frac {1}{4 \, x^{2}} \]
[In]
[Out]
Time = 0.32 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.66 \[ \int \frac {\log ^2(c x)}{x^3} \, dx=-\frac {\frac {{\ln \left (c\,x\right )}^2}{2}+\frac {\ln \left (c\,x\right )}{2}+\frac {1}{4}}{x^2} \]
[In]
[Out]