Integrand size = 18, antiderivative size = 79 \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{n}+\frac {2 p \log \left (c \left (d+e x^n\right )^p\right ) \operatorname {PolyLog}\left (2,1+\frac {e x^n}{d}\right )}{n}-\frac {2 p^2 \operatorname {PolyLog}\left (3,1+\frac {e x^n}{d}\right )}{n} \]
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Time = 0.07 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.278, Rules used = {2504, 2443, 2481, 2421, 6724} \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\frac {2 p \operatorname {PolyLog}\left (2,\frac {e x^n}{d}+1\right ) \log \left (c \left (d+e x^n\right )^p\right )}{n}+\frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{n}-\frac {2 p^2 \operatorname {PolyLog}\left (3,\frac {e x^n}{d}+1\right )}{n} \]
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Rule 2421
Rule 2443
Rule 2481
Rule 2504
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\log ^2\left (c (d+e x)^p\right )}{x} \, dx,x,x^n\right )}{n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{n}-\frac {(2 e p) \text {Subst}\left (\int \frac {\log \left (-\frac {e x}{d}\right ) \log \left (c (d+e x)^p\right )}{d+e x} \, dx,x,x^n\right )}{n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{n}-\frac {(2 p) \text {Subst}\left (\int \frac {\log \left (c x^p\right ) \log \left (-\frac {e \left (-\frac {d}{e}+\frac {x}{e}\right )}{d}\right )}{x} \, dx,x,d+e x^n\right )}{n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{n}+\frac {2 p \log \left (c \left (d+e x^n\right )^p\right ) \text {Li}_2\left (1+\frac {e x^n}{d}\right )}{n}-\frac {\left (2 p^2\right ) \text {Subst}\left (\int \frac {\text {Li}_2\left (\frac {x}{d}\right )}{x} \, dx,x,d+e x^n\right )}{n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{n}+\frac {2 p \log \left (c \left (d+e x^n\right )^p\right ) \text {Li}_2\left (1+\frac {e x^n}{d}\right )}{n}-\frac {2 p^2 \text {Li}_3\left (1+\frac {e x^n}{d}\right )}{n} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(164\) vs. \(2(79)=158\).
Time = 0.04 (sec) , antiderivative size = 164, normalized size of antiderivative = 2.08 \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\log (x) \left (-p \log \left (d+e x^n\right )+\log \left (c \left (d+e x^n\right )^p\right )\right )^2+2 p \left (-p \log \left (d+e x^n\right )+\log \left (c \left (d+e x^n\right )^p\right )\right ) \left (\log (x) \left (\log \left (d+e x^n\right )-\log \left (1+\frac {e x^n}{d}\right )\right )-\frac {\operatorname {PolyLog}\left (2,-\frac {e x^n}{d}\right )}{n}\right )+\frac {p^2 \left (\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (d+e x^n\right )+2 \log \left (d+e x^n\right ) \operatorname {PolyLog}\left (2,1+\frac {e x^n}{d}\right )-2 \operatorname {PolyLog}\left (3,1+\frac {e x^n}{d}\right )\right )}{n} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 2.29 (sec) , antiderivative size = 578, normalized size of antiderivative = 7.32
method | result | size |
risch | \(\frac {\ln \left (1-\frac {d +e \,x^{n}}{d}\right ) \ln \left (d +e \,x^{n}\right )^{2} p^{2}}{n}-\frac {2 \ln \left (d +e \,x^{n}\right )^{2} \ln \left (-\frac {e \,x^{n}}{d}\right ) p^{2}}{n}+\frac {\ln \left (d +e \,x^{n}\right )^{2} \ln \left (e \,x^{n}\right ) p^{2}}{n}+\frac {2 \,\operatorname {Li}_{2}\left (\frac {d +e \,x^{n}}{d}\right ) \ln \left (d +e \,x^{n}\right ) p^{2}}{n}+\frac {2 \ln \left (\left (d +e \,x^{n}\right )^{p}\right ) \ln \left (d +e \,x^{n}\right ) \ln \left (-\frac {e \,x^{n}}{d}\right ) p}{n}-\frac {2 \ln \left (\left (d +e \,x^{n}\right )^{p}\right ) \ln \left (d +e \,x^{n}\right ) \ln \left (e \,x^{n}\right ) p}{n}-\frac {2 \ln \left (d +e \,x^{n}\right ) \operatorname {dilog}\left (-\frac {e \,x^{n}}{d}\right ) p^{2}}{n}-\frac {2 \,\operatorname {Li}_{3}\left (\frac {d +e \,x^{n}}{d}\right ) p^{2}}{n}+\frac {{\ln \left (\left (d +e \,x^{n}\right )^{p}\right )}^{2} \ln \left (e \,x^{n}\right )}{n}+\frac {2 \ln \left (\left (d +e \,x^{n}\right )^{p}\right ) \operatorname {dilog}\left (-\frac {e \,x^{n}}{d}\right ) p}{n}+\frac {\left (i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2}-i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \right )-i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{3}+i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )+2 \ln \left (c \right )\right ) \left (\ln \left (x^{n}\right ) \ln \left (\left (d +e \,x^{n}\right )^{p}\right )-p e \left (\frac {\operatorname {dilog}\left (\frac {d +e \,x^{n}}{d}\right )}{e}+\frac {\ln \left (x^{n}\right ) \ln \left (\frac {d +e \,x^{n}}{d}\right )}{e}\right )\right )}{n}+\frac {{\left (i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2}-i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \right )-i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{3}+i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )+2 \ln \left (c \right )\right )}^{2} \ln \left (x \right )}{4}\) | \(578\) |
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\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\int { \frac {\log \left ({\left (e x^{n} + d\right )}^{p} c\right )^{2}}{x} \,d x } \]
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\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\int \frac {\log {\left (c \left (d + e x^{n}\right )^{p} \right )}^{2}}{x}\, dx \]
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\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\int { \frac {\log \left ({\left (e x^{n} + d\right )}^{p} c\right )^{2}}{x} \,d x } \]
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\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\int { \frac {\log \left ({\left (e x^{n} + d\right )}^{p} c\right )^{2}}{x} \,d x } \]
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Timed out. \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx=\int \frac {{\ln \left (c\,{\left (d+e\,x^n\right )}^p\right )}^2}{x} \,d x \]
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