Integrand size = 21, antiderivative size = 211 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=-\frac {b n}{d^4 x}+\frac {b e n}{6 d^3 (d+e x)^2}+\frac {4 b e n}{3 d^4 (d+e x)}+\frac {4 b e n \log (x)}{3 d^5}-\frac {a+b \log \left (c x^n\right )}{d^4 x}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{3 d^2 (d+e x)^3}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)^2}+\frac {3 e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^5 (d+e x)}+\frac {4 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^5}-\frac {13 b e n \log (d+e x)}{3 d^5}-\frac {4 b e n \operatorname {PolyLog}\left (2,-\frac {d}{e x}\right )}{d^5} \]
[Out]
Time = 0.21 (sec) , antiderivative size = 211, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.381, Rules used = {46, 2393, 2341, 2356, 2351, 31, 2379, 2438} \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\frac {3 e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^5 (d+e x)}+\frac {4 e \log \left (\frac {d}{e x}+1\right ) \left (a+b \log \left (c x^n\right )\right )}{d^5}-\frac {a+b \log \left (c x^n\right )}{d^4 x}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)^2}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{3 d^2 (d+e x)^3}-\frac {4 b e n \operatorname {PolyLog}\left (2,-\frac {d}{e x}\right )}{d^5}+\frac {4 b e n \log (x)}{3 d^5}-\frac {13 b e n \log (d+e x)}{3 d^5}+\frac {4 b e n}{3 d^4 (d+e x)}-\frac {b n}{d^4 x}+\frac {b e n}{6 d^3 (d+e x)^2} \]
[In]
[Out]
Rule 31
Rule 46
Rule 2341
Rule 2351
Rule 2356
Rule 2379
Rule 2393
Rule 2438
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a+b \log \left (c x^n\right )}{d^4 x^2}+\frac {e^2 \left (a+b \log \left (c x^n\right )\right )}{d^2 (d+e x)^4}+\frac {2 e^2 \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)^3}+\frac {3 e^2 \left (a+b \log \left (c x^n\right )\right )}{d^4 (d+e x)^2}-\frac {4 e \left (a+b \log \left (c x^n\right )\right )}{d^4 x (d+e x)}\right ) \, dx \\ & = \frac {\int \frac {a+b \log \left (c x^n\right )}{x^2} \, dx}{d^4}-\frac {(4 e) \int \frac {a+b \log \left (c x^n\right )}{x (d+e x)} \, dx}{d^4}+\frac {\left (3 e^2\right ) \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^2} \, dx}{d^4}+\frac {\left (2 e^2\right ) \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^3} \, dx}{d^3}+\frac {e^2 \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^4} \, dx}{d^2} \\ & = -\frac {b n}{d^4 x}-\frac {a+b \log \left (c x^n\right )}{d^4 x}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{3 d^2 (d+e x)^3}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)^2}+\frac {3 e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^5 (d+e x)}+\frac {4 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^5}-\frac {(4 b e n) \int \frac {\log \left (1+\frac {d}{e x}\right )}{x} \, dx}{d^5}+\frac {(b e n) \int \frac {1}{x (d+e x)^2} \, dx}{d^3}+\frac {(b e n) \int \frac {1}{x (d+e x)^3} \, dx}{3 d^2}-\frac {\left (3 b e^2 n\right ) \int \frac {1}{d+e x} \, dx}{d^5} \\ & = -\frac {b n}{d^4 x}-\frac {a+b \log \left (c x^n\right )}{d^4 x}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{3 d^2 (d+e x)^3}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)^2}+\frac {3 e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^5 (d+e x)}+\frac {4 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^5}-\frac {3 b e n \log (d+e x)}{d^5}-\frac {4 b e n \text {Li}_2\left (-\frac {d}{e x}\right )}{d^5}+\frac {(b e n) \int \left (\frac {1}{d^2 x}-\frac {e}{d (d+e x)^2}-\frac {e}{d^2 (d+e x)}\right ) \, dx}{d^3}+\frac {(b e n) \int \left (\frac {1}{d^3 x}-\frac {e}{d (d+e x)^3}-\frac {e}{d^2 (d+e x)^2}-\frac {e}{d^3 (d+e x)}\right ) \, dx}{3 d^2} \\ & = -\frac {b n}{d^4 x}+\frac {b e n}{6 d^3 (d+e x)^2}+\frac {4 b e n}{3 d^4 (d+e x)}+\frac {4 b e n \log (x)}{3 d^5}-\frac {a+b \log \left (c x^n\right )}{d^4 x}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{3 d^2 (d+e x)^3}-\frac {e \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)^2}+\frac {3 e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^5 (d+e x)}+\frac {4 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^5}-\frac {13 b e n \log (d+e x)}{3 d^5}-\frac {4 b e n \text {Li}_2\left (-\frac {d}{e x}\right )}{d^5} \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 231, normalized size of antiderivative = 1.09 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\frac {-\frac {6 b d n}{x}-\frac {6 d \left (a+b \log \left (c x^n\right )\right )}{x}-\frac {2 d^3 e \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^3}-\frac {6 d^2 e \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^2}-\frac {18 d e \left (a+b \log \left (c x^n\right )\right )}{d+e x}-\frac {12 e \left (a+b \log \left (c x^n\right )\right )^2}{b n}+b e n \left (\frac {d (3 d+2 e x)}{(d+e x)^2}+2 \log (x)-2 \log (d+e x)\right )+18 b e n (\log (x)-\log (d+e x))+6 b e n \left (\frac {d}{d+e x}+\log (x)-\log (d+e x)\right )+24 e \left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )+24 b e n \operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )}{6 d^5} \]
[In]
[Out]
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.75 (sec) , antiderivative size = 370, normalized size of antiderivative = 1.75
method | result | size |
risch | \(-\frac {b \ln \left (x^{n}\right ) e}{3 d^{2} \left (e x +d \right )^{3}}+\frac {4 b \ln \left (x^{n}\right ) e \ln \left (e x +d \right )}{d^{5}}-\frac {3 b \ln \left (x^{n}\right ) e}{d^{4} \left (e x +d \right )}-\frac {b \ln \left (x^{n}\right ) e}{d^{3} \left (e x +d \right )^{2}}-\frac {b \ln \left (x^{n}\right )}{d^{4} x}-\frac {4 b \ln \left (x^{n}\right ) e \ln \left (x \right )}{d^{5}}+\frac {2 b n e \ln \left (x \right )^{2}}{d^{5}}-\frac {4 b n e \ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right )}{d^{5}}-\frac {4 b n e \operatorname {dilog}\left (-\frac {e x}{d}\right )}{d^{5}}+\frac {4 b e n}{3 d^{4} \left (e x +d \right )}-\frac {13 b e n \ln \left (e x +d \right )}{3 d^{5}}+\frac {b e n}{6 d^{3} \left (e x +d \right )^{2}}-\frac {b n}{d^{4} x}+\frac {13 b e n \ln \left (x \right )}{3 d^{5}}+\left (-\frac {i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )}{2}+\frac {i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}}{2}+\frac {i b \pi \,\operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}}{2}-\frac {i b \pi \operatorname {csgn}\left (i c \,x^{n}\right )^{3}}{2}+b \ln \left (c \right )+a \right ) \left (-\frac {e}{3 d^{2} \left (e x +d \right )^{3}}+\frac {4 e \ln \left (e x +d \right )}{d^{5}}-\frac {3 e}{d^{4} \left (e x +d \right )}-\frac {e}{d^{3} \left (e x +d \right )^{2}}-\frac {1}{d^{4} x}-\frac {4 e \ln \left (x \right )}{d^{5}}\right )\) | \(370\) |
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x + d\right )}^{4} x^{2}} \,d x } \]
[In]
[Out]
Time = 57.44 (sec) , antiderivative size = 614, normalized size of antiderivative = 2.91 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\text {Too large to display} \]
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x + d\right )}^{4} x^{2}} \,d x } \]
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x + d\right )}^{4} x^{2}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^4} \, dx=\int \frac {a+b\,\ln \left (c\,x^n\right )}{x^2\,{\left (d+e\,x\right )}^4} \,d x \]
[In]
[Out]