Integrand size = 23, antiderivative size = 135 \[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=-\frac {2 b^2 n^2}{d x}-\frac {2 b n \left (a+b \log \left (c x^n\right )\right )}{d x}-\frac {\left (a+b \log \left (c x^n\right )\right )^2}{d x}+\frac {e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )^2}{d^2}-\frac {2 b e n \left (a+b \log \left (c x^n\right )\right ) \operatorname {PolyLog}\left (2,-\frac {d}{e x}\right )}{d^2}-\frac {2 b^2 e n^2 \operatorname {PolyLog}\left (3,-\frac {d}{e x}\right )}{d^2} \]
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Time = 0.15 (sec) , antiderivative size = 135, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.261, Rules used = {2380, 2342, 2341, 2379, 2421, 6724} \[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=-\frac {2 b e n \operatorname {PolyLog}\left (2,-\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^2}+\frac {e \log \left (\frac {d}{e x}+1\right ) \left (a+b \log \left (c x^n\right )\right )^2}{d^2}-\frac {2 b n \left (a+b \log \left (c x^n\right )\right )}{d x}-\frac {\left (a+b \log \left (c x^n\right )\right )^2}{d x}-\frac {2 b^2 e n^2 \operatorname {PolyLog}\left (3,-\frac {d}{e x}\right )}{d^2}-\frac {2 b^2 n^2}{d x} \]
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Rule 2341
Rule 2342
Rule 2379
Rule 2380
Rule 2421
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2} \, dx}{d}-\frac {e \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x (d+e x)} \, dx}{d} \\ & = -\frac {\left (a+b \log \left (c x^n\right )\right )^2}{d x}+\frac {e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )^2}{d^2}+\frac {(2 b n) \int \frac {a+b \log \left (c x^n\right )}{x^2} \, dx}{d}-\frac {(2 b e n) \int \frac {\log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{x} \, dx}{d^2} \\ & = -\frac {2 b^2 n^2}{d x}-\frac {2 b n \left (a+b \log \left (c x^n\right )\right )}{d x}-\frac {\left (a+b \log \left (c x^n\right )\right )^2}{d x}+\frac {e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )^2}{d^2}-\frac {2 b e n \left (a+b \log \left (c x^n\right )\right ) \text {Li}_2\left (-\frac {d}{e x}\right )}{d^2}+\frac {\left (2 b^2 e n^2\right ) \int \frac {\text {Li}_2\left (-\frac {d}{e x}\right )}{x} \, dx}{d^2} \\ & = -\frac {2 b^2 n^2}{d x}-\frac {2 b n \left (a+b \log \left (c x^n\right )\right )}{d x}-\frac {\left (a+b \log \left (c x^n\right )\right )^2}{d x}+\frac {e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )^2}{d^2}-\frac {2 b e n \left (a+b \log \left (c x^n\right )\right ) \text {Li}_2\left (-\frac {d}{e x}\right )}{d^2}-\frac {2 b^2 e n^2 \text {Li}_3\left (-\frac {d}{e x}\right )}{d^2} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 130, normalized size of antiderivative = 0.96 \[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=-\frac {\frac {3 d \left (a+b \log \left (c x^n\right )\right )^2}{x}+\frac {e \left (a+b \log \left (c x^n\right )\right )^3}{b n}+\frac {6 b d n \left (a+b n+b \log \left (c x^n\right )\right )}{x}-3 e \left (a+b \log \left (c x^n\right )\right )^2 \log \left (1+\frac {e x}{d}\right )-6 b e n \left (\left (a+b \log \left (c x^n\right )\right ) \operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )-b n \operatorname {PolyLog}\left (3,-\frac {e x}{d}\right )\right )}{3 d^2} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.41 (sec) , antiderivative size = 615, normalized size of antiderivative = 4.56
method | result | size |
risch | \(\frac {b^{2} \ln \left (x^{n}\right )^{2} e \ln \left (e x +d \right )}{d^{2}}-\frac {b^{2} \ln \left (x^{n}\right )^{2}}{d x}-\frac {b^{2} \ln \left (x^{n}\right )^{2} e \ln \left (x \right )}{d^{2}}+\frac {2 b^{2} e \ln \left (x \right ) \ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right ) n^{2}}{d^{2}}+\frac {2 b^{2} e \ln \left (x \right ) \operatorname {dilog}\left (-\frac {e x}{d}\right ) n^{2}}{d^{2}}-\frac {2 b^{2} n e \ln \left (x^{n}\right ) \ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right )}{d^{2}}-\frac {2 b^{2} n e \ln \left (x^{n}\right ) \operatorname {dilog}\left (-\frac {e x}{d}\right )}{d^{2}}-\frac {b^{2} e \,n^{2} \ln \left (e x +d \right ) \ln \left (x \right )^{2}}{d^{2}}+\frac {b^{2} e \,n^{2} \ln \left (x \right )^{2} \ln \left (1+\frac {e x}{d}\right )}{d^{2}}+\frac {2 b^{2} e \,n^{2} \ln \left (x \right ) \operatorname {Li}_{2}\left (-\frac {e x}{d}\right )}{d^{2}}-\frac {2 b^{2} e \,n^{2} \operatorname {Li}_{3}\left (-\frac {e x}{d}\right )}{d^{2}}-\frac {2 b^{2} n \ln \left (x^{n}\right )}{d x}-\frac {2 b^{2} n^{2}}{d x}+\frac {b^{2} n e \ln \left (x^{n}\right ) \ln \left (x \right )^{2}}{d^{2}}-\frac {b^{2} e \ln \left (x \right )^{3} n^{2}}{3 d^{2}}+\left (-i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )+i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}+i b \pi \,\operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}-i b \pi \operatorname {csgn}\left (i c \,x^{n}\right )^{3}+2 b \ln \left (c \right )+2 a \right ) b \left (\frac {\ln \left (x^{n}\right ) e \ln \left (e x +d \right )}{d^{2}}-\frac {\ln \left (x^{n}\right )}{d x}-\frac {\ln \left (x^{n}\right ) e \ln \left (x \right )}{d^{2}}-n \left (\frac {e \left (\operatorname {dilog}\left (-\frac {e x}{d}\right )+\ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right )\right )}{d^{2}}+\frac {1}{d x}-\frac {e \ln \left (x \right )^{2}}{2 d^{2}}\right )\right )+\frac {{\left (-i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )+i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}+i b \pi \,\operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}-i b \pi \operatorname {csgn}\left (i c \,x^{n}\right )^{3}+2 b \ln \left (c \right )+2 a \right )}^{2} \left (\frac {e \ln \left (e x +d \right )}{d^{2}}-\frac {1}{d x}-\frac {e \ln \left (x \right )}{d^{2}}\right )}{4}\) | \(615\) |
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\[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=\int { \frac {{\left (b \log \left (c x^{n}\right ) + a\right )}^{2}}{{\left (e x + d\right )} x^{2}} \,d x } \]
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\[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=\int \frac {\left (a + b \log {\left (c x^{n} \right )}\right )^{2}}{x^{2} \left (d + e x\right )}\, dx \]
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\[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=\int { \frac {{\left (b \log \left (c x^{n}\right ) + a\right )}^{2}}{{\left (e x + d\right )} x^{2}} \,d x } \]
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\[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=\int { \frac {{\left (b \log \left (c x^{n}\right ) + a\right )}^{2}}{{\left (e x + d\right )} x^{2}} \,d x } \]
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Timed out. \[ \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x^2 (d+e x)} \, dx=\int \frac {{\left (a+b\,\ln \left (c\,x^n\right )\right )}^2}{x^2\,\left (d+e\,x\right )} \,d x \]
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