Integrand size = 32, antiderivative size = 156 \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=\frac {b e^2 g n^2 \log (x)}{d^2}-\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{2 x^2}-\frac {e n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 d^2 x}-\frac {e^2 n \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right ) \log \left (1-\frac {d}{d+e x}\right )}{2 d^2}+\frac {b e^2 g n^2 \operatorname {PolyLog}\left (2,\frac {d}{d+e x}\right )}{d^2} \]
[Out]
Time = 0.22 (sec) , antiderivative size = 156, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.219, Rules used = {2483, 2458, 2389, 2379, 2438, 2351, 31} \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=-\frac {e^2 n \log \left (1-\frac {d}{d+e x}\right ) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )}{2 d^2}-\frac {e n (d+e x) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )}{2 d^2 x}-\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (g \log \left (c (d+e x)^n\right )+f\right )}{2 x^2}+\frac {b e^2 g n^2 \operatorname {PolyLog}\left (2,\frac {d}{d+e x}\right )}{d^2}+\frac {b e^2 g n^2 \log (x)}{d^2} \]
[In]
[Out]
Rule 31
Rule 2351
Rule 2379
Rule 2389
Rule 2438
Rule 2458
Rule 2483
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{2 x^2}+\frac {1}{2} (e n) \int \frac {b f+a g+2 b g \log \left (c (d+e x)^n\right )}{x^2 (d+e x)} \, dx \\ & = -\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{2 x^2}+\frac {1}{2} n \text {Subst}\left (\int \frac {b f+a g+2 b g \log \left (c x^n\right )}{x \left (-\frac {d}{e}+\frac {x}{e}\right )^2} \, dx,x,d+e x\right ) \\ & = -\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{2 x^2}+\frac {n \text {Subst}\left (\int \frac {b f+a g+2 b g \log \left (c x^n\right )}{\left (-\frac {d}{e}+\frac {x}{e}\right )^2} \, dx,x,d+e x\right )}{2 d}-\frac {(e n) \text {Subst}\left (\int \frac {b f+a g+2 b g \log \left (c x^n\right )}{x \left (-\frac {d}{e}+\frac {x}{e}\right )} \, dx,x,d+e x\right )}{2 d} \\ & = -\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{2 x^2}-\frac {e n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 d^2 x}-\frac {e^2 n \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right ) \log \left (1-\frac {d}{d+e x}\right )}{2 d^2}+\frac {\left (b e g n^2\right ) \text {Subst}\left (\int \frac {1}{-\frac {d}{e}+\frac {x}{e}} \, dx,x,d+e x\right )}{d^2}+\frac {\left (b e^2 g n^2\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {d}{x}\right )}{x} \, dx,x,d+e x\right )}{d^2} \\ & = \frac {b e^2 g n^2 \log (x)}{d^2}-\frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{2 x^2}-\frac {e n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 d^2 x}-\frac {e^2 n \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right ) \log \left (1-\frac {d}{d+e x}\right )}{2 d^2}+\frac {b e^2 g n^2 \text {Li}_2\left (\frac {d}{d+e x}\right )}{d^2} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 251, normalized size of antiderivative = 1.61 \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=-\frac {a f}{2 x^2}+\frac {1}{2} b e f n \left (-\frac {1}{d x}-\frac {e \log (x)}{d^2}+\frac {e \log (d+e x)}{d^2}\right )+\frac {1}{2} a e g n \left (-\frac {1}{d x}-\frac {e \log (x)}{d^2}+\frac {e \log (d+e x)}{d^2}\right )-\frac {b f \log \left (c (d+e x)^n\right )}{2 x^2}-\frac {a g \log \left (c (d+e x)^n\right )}{2 x^2}-\frac {b g \log ^2\left (c (d+e x)^n\right )}{2 x^2}+b e g n \left (\frac {e n \log (x)}{d^2}-\frac {e n \log (d+e x)}{d^2}-\frac {\log \left (c (d+e x)^n\right )}{d x}-\frac {e \log \left (-\frac {e x}{d}\right ) \log \left (c (d+e x)^n\right )}{d^2}+\frac {e \log ^2\left (c (d+e x)^n\right )}{2 d^2 n}-\frac {e n \operatorname {PolyLog}\left (2,\frac {d+e x}{d}\right )}{d^2}\right ) \]
[In]
[Out]
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.39 (sec) , antiderivative size = 589, normalized size of antiderivative = 3.78
method | result | size |
risch | \(\left (-i \pi b g \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i \left (e x +d \right )^{n}\right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )+i \pi b g \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{2}+i \pi b g \,\operatorname {csgn}\left (i \left (e x +d \right )^{n}\right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{2}-i \pi b g \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{3}+2 b \ln \left (c \right ) g +a g +b f \right ) \left (-\frac {\ln \left (\left (e x +d \right )^{n}\right )}{2 x^{2}}+\frac {e n \left (\frac {e \ln \left (e x +d \right )}{d^{2}}-\frac {1}{d x}-\frac {e \ln \left (x \right )}{d^{2}}\right )}{2}\right )-\frac {\ln \left (\left (e x +d \right )^{n}\right )^{2} b g}{2 x^{2}}+\frac {b g \,e^{2} n \ln \left (\left (e x +d \right )^{n}\right ) \ln \left (e x +d \right )}{d^{2}}-\frac {b g e n \ln \left (\left (e x +d \right )^{n}\right )}{d x}-\frac {b g \,e^{2} n \ln \left (\left (e x +d \right )^{n}\right ) \ln \left (x \right )}{d^{2}}-\frac {b g \,e^{2} n^{2} \ln \left (e x +d \right )^{2}}{2 d^{2}}-\frac {b g \,e^{2} n^{2} \ln \left (e x +d \right )}{d^{2}}+\frac {b \,e^{2} g \,n^{2} \ln \left (x \right )}{d^{2}}+\frac {b g \,e^{2} n^{2} \operatorname {dilog}\left (\frac {e x +d}{d}\right )}{d^{2}}+\frac {b g \,e^{2} n^{2} \ln \left (x \right ) \ln \left (\frac {e x +d}{d}\right )}{d^{2}}-\frac {\left (-i b \pi \,\operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right ) \operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i \left (e x +d \right )^{n}\right )+i \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{2} b +i \pi \,\operatorname {csgn}\left (i \left (e x +d \right )^{n}\right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{2} b -i \pi \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{3} b +2 b \ln \left (c \right )+2 a \right ) \left (-i g \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i \left (e x +d \right )^{n}\right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )+i g \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{2}+i g \pi \,\operatorname {csgn}\left (i \left (e x +d \right )^{n}\right ) \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{2}-i g \pi \operatorname {csgn}\left (i c \left (e x +d \right )^{n}\right )^{3}+2 g \ln \left (c \right )+2 f \right )}{8 x^{2}}\) | \(589\) |
[In]
[Out]
\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=\int { \frac {{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )} {\left (g \log \left ({\left (e x + d\right )}^{n} c\right ) + f\right )}}{x^{3}} \,d x } \]
[In]
[Out]
\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=\int \frac {\left (a + b \log {\left (c \left (d + e x\right )^{n} \right )}\right ) \left (f + g \log {\left (c \left (d + e x\right )^{n} \right )}\right )}{x^{3}}\, dx \]
[In]
[Out]
\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=\int { \frac {{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )} {\left (g \log \left ({\left (e x + d\right )}^{n} c\right ) + f\right )}}{x^{3}} \,d x } \]
[In]
[Out]
\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=\int { \frac {{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )} {\left (g \log \left ({\left (e x + d\right )}^{n} c\right ) + f\right )}}{x^{3}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x^3} \, dx=\int \frac {\left (a+b\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )\right )\,\left (f+g\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )\right )}{x^3} \,d x \]
[In]
[Out]