Integrand size = 69, antiderivative size = 16 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=18+x^2-\frac {x}{-4+\log (1+x)} \]
[Out]
Time = 0.25 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.62, number of steps used = 14, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.145, Rules used = {6873, 6874, 2436, 2336, 2209, 2458, 2395, 2334, 2339, 30} \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=x^2+\frac {x+1}{4-\log (x+1)}+\frac {1}{\log (x+1)-4} \]
[In]
[Out]
Rule 30
Rule 2209
Rule 2334
Rule 2336
Rule 2339
Rule 2395
Rule 2436
Rule 2458
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{(1+x) (4-\log (1+x))^2} \, dx \\ & = \int \left (2 x+\frac {1}{4-\log (1+x)}+\frac {x}{(1+x) (-4+\log (1+x))^2}\right ) \, dx \\ & = x^2+\int \frac {1}{4-\log (1+x)} \, dx+\int \frac {x}{(1+x) (-4+\log (1+x))^2} \, dx \\ & = x^2+\text {Subst}\left (\int \frac {1}{4-\log (x)} \, dx,x,1+x\right )+\text {Subst}\left (\int \frac {-1+x}{x (-4+\log (x))^2} \, dx,x,1+x\right ) \\ & = x^2+\text {Subst}\left (\int \frac {e^x}{4-x} \, dx,x,\log (1+x)\right )+\text {Subst}\left (\int \left (\frac {1}{(-4+\log (x))^2}-\frac {1}{x (-4+\log (x))^2}\right ) \, dx,x,1+x\right ) \\ & = x^2-e^4 \text {Ei}(-4+\log (1+x))+\text {Subst}\left (\int \frac {1}{(-4+\log (x))^2} \, dx,x,1+x\right )-\text {Subst}\left (\int \frac {1}{x (-4+\log (x))^2} \, dx,x,1+x\right ) \\ & = x^2-e^4 \text {Ei}(-4+\log (1+x))+\frac {1+x}{4-\log (1+x)}-\text {Subst}\left (\int \frac {1}{x^2} \, dx,x,-4+\log (1+x)\right )+\text {Subst}\left (\int \frac {1}{-4+\log (x)} \, dx,x,1+x\right ) \\ & = x^2-e^4 \text {Ei}(-4+\log (1+x))+\frac {1+x}{4-\log (1+x)}+\frac {1}{-4+\log (1+x)}+\text {Subst}\left (\int \frac {e^x}{-4+x} \, dx,x,\log (1+x)\right ) \\ & = x^2+\frac {1+x}{4-\log (1+x)}+\frac {1}{-4+\log (1+x)} \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=-1+x^2-\frac {x}{-4+\log (1+x)} \]
[In]
[Out]
Time = 0.89 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00
method | result | size |
risch | \(x^{2}-\frac {x}{\ln \left (1+x \right )-4}\) | \(16\) |
norman | \(\frac {x^{2} \ln \left (1+x \right )-x -4 x^{2}}{\ln \left (1+x \right )-4}\) | \(27\) |
derivativedivides | \(\frac {1}{\ln \left (1+x \right )-4}-\frac {1+x}{\ln \left (1+x \right )-4}+\left (1+x \right )^{2}-2-2 x\) | \(32\) |
default | \(\frac {1}{\ln \left (1+x \right )-4}-\frac {1+x}{\ln \left (1+x \right )-4}+\left (1+x \right )^{2}-2-2 x\) | \(32\) |
parallelrisch | \(\frac {x^{2} \ln \left (1+x \right )+4-4 x^{2}-x -\ln \left (1+x \right )}{\ln \left (1+x \right )-4}\) | \(34\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.62 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=\frac {x^{2} \log \left (x + 1\right ) - 4 \, x^{2} - x}{\log \left (x + 1\right ) - 4} \]
[In]
[Out]
Time = 0.07 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.62 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=x^{2} - \frac {x}{\log {\left (x + 1 \right )} - 4} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 38 vs. \(2 (16) = 32\).
Time = 0.21 (sec) , antiderivative size = 38, normalized size of antiderivative = 2.38 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=\frac {x^{2} \log \left (x + 1\right ) - 4 \, x^{2} - x + 4}{\log \left (x + 1\right ) - 4} - \frac {4}{\log \left (x + 1\right ) - 4} \]
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.94 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=x^{2} - \frac {x}{\log \left (x + 1\right ) - 4} \]
[In]
[Out]
Time = 11.49 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.94 \[ \int \frac {4+37 x+32 x^2+\left (-1-17 x-16 x^2\right ) \log (1+x)+\left (2 x+2 x^2\right ) \log ^2(1+x)}{16+16 x+(-8-8 x) \log (1+x)+(1+x) \log ^2(1+x)} \, dx=x^2-\frac {x}{\ln \left (x+1\right )-4} \]
[In]
[Out]