Integrand size = 43, antiderivative size = 21 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=-5+x-\log \left (-e^4+x-\log \left (\frac {16}{x^2}\right )\right ) \]
[Out]
Time = 0.10 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.070, Rules used = {6, 6874, 6816} \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x-\log \left (\log \left (\frac {16}{x^2}\right )-x+e^4\right ) \]
[In]
[Out]
Rule 6
Rule 6816
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {2+\left (1+e^4\right ) x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx \\ & = \int \left (1+\frac {-2-x}{x \left (-e^4+x-\log \left (\frac {16}{x^2}\right )\right )}\right ) \, dx \\ & = x+\int \frac {-2-x}{x \left (-e^4+x-\log \left (\frac {16}{x^2}\right )\right )} \, dx \\ & = x-\log \left (e^4-x+\log \left (\frac {16}{x^2}\right )\right ) \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x-\log \left (e^4-x+\log \left (\frac {16}{x^2}\right )\right ) \]
[In]
[Out]
Time = 2.64 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86
method | result | size |
norman | \(x -\ln \left ({\mathrm e}^{4}+\ln \left (\frac {16}{x^{2}}\right )-x \right )\) | \(18\) |
risch | \(x -\ln \left ({\mathrm e}^{4}+\ln \left (\frac {16}{x^{2}}\right )-x \right )\) | \(18\) |
parallelrisch | \(x -\ln \left (x -\ln \left (\frac {16}{x^{2}}\right )-{\mathrm e}^{4}\right )\) | \(20\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x - \log \left (-x + e^{4} + \log \left (\frac {16}{x^{2}}\right )\right ) \]
[In]
[Out]
Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x - \log {\left (- x + \log {\left (\frac {16}{x^{2}} \right )} + e^{4} \right )} \]
[In]
[Out]
none
Time = 0.31 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x - \log \left (\frac {1}{2} \, x - \frac {1}{2} \, e^{4} - 2 \, \log \left (2\right ) + \log \left (x\right )\right ) \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x - \log \left (x - e^{4} - \log \left (\frac {16}{x^{2}}\right )\right ) \]
[In]
[Out]
Time = 8.99 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {2+x+e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )}{e^4 x-x^2+x \log \left (\frac {16}{x^2}\right )} \, dx=x-\ln \left (x-{\mathrm {e}}^4+\ln \left (\frac {x^2}{16}\right )\right ) \]
[In]
[Out]