Integrand size = 32, antiderivative size = 158 \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=\log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {\log (x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+\frac {\log \left (-\frac {e x}{d}\right ) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+n \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right ) \operatorname {PolyLog}\left (2,1+\frac {e x}{d}\right )-2 b g n^2 \operatorname {PolyLog}\left (3,1+\frac {e x}{d}\right ) \]
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Time = 0.17 (sec) , antiderivative size = 158, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {2482, 2481, 2422, 2354, 2421, 6724} \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=n \operatorname {PolyLog}\left (2,\frac {e x}{d}+1\right ) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )-\frac {\log (x) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )^2}{4 b g}+\frac {\log \left (-\frac {e x}{d}\right ) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )^2}{4 b g}+\log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (g \log \left (c (d+e x)^n\right )+f\right )-2 b g n^2 \operatorname {PolyLog}\left (3,\frac {e x}{d}+1\right ) \]
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Rule 2354
Rule 2421
Rule 2422
Rule 2481
Rule 2482
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-(e n) \int \frac {\log (x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{d+e x} \, dx \\ & = \log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-n \text {Subst}\left (\int \frac {\left (b f+a g+2 b g \log \left (c x^n\right )\right ) \log \left (-\frac {d}{e}+\frac {x}{e}\right )}{x} \, dx,x,d+e x\right ) \\ & = \log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {\log (x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+\frac {\text {Subst}\left (\int \frac {\left (b f+a g+2 b g \log \left (c x^n\right )\right )^2}{-\frac {d}{e}+\frac {x}{e}} \, dx,x,d+e x\right )}{4 b e g} \\ & = \log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {\log (x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+\frac {\log \left (-\frac {e x}{d}\right ) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}-n \text {Subst}\left (\int \frac {\left (b f+a g+2 b g \log \left (c x^n\right )\right ) \log \left (1-\frac {x}{d}\right )}{x} \, dx,x,d+e x\right ) \\ & = \log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {\log (x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+\frac {\log \left (-\frac {e x}{d}\right ) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+n \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right ) \text {Li}_2\left (1+\frac {e x}{d}\right )-\left (2 b g n^2\right ) \text {Subst}\left (\int \frac {\text {Li}_2\left (\frac {x}{d}\right )}{x} \, dx,x,d+e x\right ) \\ & = \log (x) \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {\log (x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+\frac {\log \left (-\frac {e x}{d}\right ) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )^2}{4 b g}+n \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right ) \text {Li}_2\left (1+\frac {e x}{d}\right )-2 b g n^2 \text {Li}_3\left (1+\frac {e x}{d}\right ) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 227, normalized size of antiderivative = 1.44 \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=a f \log (x)+b f \log \left (-\frac {e x}{d}\right ) \log \left (c (d+e x)^n\right )+a g \log \left (-\frac {e x}{d}\right ) \log \left (c (d+e x)^n\right )+b g \log (x) \left (-n \log (d+e x)+\log \left (c (d+e x)^n\right )\right )^2+2 b g n \left (-n \log (d+e x)+\log \left (c (d+e x)^n\right )\right ) \left (\log (x) \left (\log (d+e x)-\log \left (1+\frac {e x}{d}\right )\right )-\operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )\right )+b f n \operatorname {PolyLog}\left (2,\frac {d+e x}{d}\right )+a g n \operatorname {PolyLog}\left (2,\frac {d+e x}{d}\right )+2 b g n^2 \left (\frac {1}{2} \log ^2(d+e x) \log \left (1-\frac {d+e x}{d}\right )+\log (d+e x) \operatorname {PolyLog}\left (2,\frac {d+e x}{d}\right )-\operatorname {PolyLog}\left (3,\frac {d+e x}{d}\right )\right ) \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.76 (sec) , antiderivative size = 626, normalized size of antiderivative = 3.96
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 (\ln \left (\left (e x +d \right )^{n}\right ) \ln \left (x \right )-e n \left (\frac {\operatorname {dilog}\left (\frac {e x +d}{d}\right )}{e}+\frac {\ln \left (x \right ) \ln \left (\frac {e x +d}{d}\right )}{e}\right )\right )+\ln \left (e x +d \right )^{2} \ln \left (e x \right ) b g \,n^{2}+\ln \left (e x +d \right )^{2} \ln \left (1-\frac {e x +d}{d}\right ) b g \,n^{2}-2 \ln \left (e x +d \right )^{2} \ln \left (-\frac {e x}{d}\right ) b g \,n^{2}-2 \ln \left (e x +d \right ) \ln \left (e x \right ) \ln \left (\left (e x +d \right )^{n}\right ) b g n +2 \ln \left (e x +d \right ) \operatorname {Li}_{2}\left (\frac {e x +d}{d}\right ) b g \,n^{2}-2 \ln \left (e x +d \right ) \operatorname {dilog}\left (-\frac {e x}{d}\right ) b g \,n^{2}+2 \ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right ) \ln \left (\left (e x +d \right )^{n}\right ) b g n +\ln \left (e x \right ) \ln \left (\left (e x +d \right )^{n}\right )^{2} b g -2 \,\operatorname {Li}_{3}\left (\frac {e x +d}{d}\right ) b g \,n^{2}+2 \operatorname {dilog}\left (-\frac {e x}{d}\right ) \ln \left (\left (e x +d \right )^{n}\right ) b g n +\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 ) \ln \left (x \right )}{4}\) | \(626\) |
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\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=\int { \frac {{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )} {\left (g \log \left ({\left (e x + d\right )}^{n} c\right ) + f\right )}}{x} \,d x } \]
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\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=\int \frac {\left (a + b \log {\left (c \left (d + e x\right )^{n} \right )}\right ) \left (f + g \log {\left (c \left (d + e x\right )^{n} \right )}\right )}{x}\, dx \]
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\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=\int { \frac {{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )} {\left (g \log \left ({\left (e x + d\right )}^{n} c\right ) + f\right )}}{x} \,d x } \]
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\[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=\int { \frac {{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )} {\left (g \log \left ({\left (e x + d\right )}^{n} c\right ) + f\right )}}{x} \,d x } \]
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Timed out. \[ \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )}{x} \, dx=\int \frac {\left (a+b\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )\right )\,\left (f+g\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )\right )}{x} \,d x \]
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