Integrand size = 23, antiderivative size = 183 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=-\frac {3 b n}{2 d^2 x}+\frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {3 a-b n+3 b \log \left (c x^n\right )}{2 d^2 x}-\frac {\sqrt {e} \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (3 a-b n+3 b \log \left (c x^n\right )\right )}{2 d^{5/2}}+\frac {3 i b \sqrt {e} n \operatorname {PolyLog}\left (2,-\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{4 d^{5/2}}-\frac {3 i b \sqrt {e} n \operatorname {PolyLog}\left (2,\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{4 d^{5/2}} \]
[Out]
Time = 0.16 (sec) , antiderivative size = 183, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.348, Rules used = {2385, 2380, 2341, 211, 2361, 12, 4940, 2438} \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=-\frac {\sqrt {e} \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (3 a+3 b \log \left (c x^n\right )-b n\right )}{2 d^{5/2}}-\frac {3 a+3 b \log \left (c x^n\right )-b n}{2 d^2 x}+\frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}+\frac {3 i b \sqrt {e} n \operatorname {PolyLog}\left (2,-\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{4 d^{5/2}}-\frac {3 i b \sqrt {e} n \operatorname {PolyLog}\left (2,\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{4 d^{5/2}}-\frac {3 b n}{2 d^2 x} \]
[In]
[Out]
Rule 12
Rule 211
Rule 2341
Rule 2361
Rule 2380
Rule 2385
Rule 2438
Rule 4940
Rubi steps \begin{align*} \text {integral}& = \frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {\int \frac {-3 a+b n-3 b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )} \, dx}{2 d} \\ & = \frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {\int \frac {-3 a+b n-3 b \log \left (c x^n\right )}{x^2} \, dx}{2 d^2}+\frac {e \int \frac {-3 a+b n-3 b \log \left (c x^n\right )}{d+e x^2} \, dx}{2 d^2} \\ & = -\frac {3 b n}{2 d^2 x}+\frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {3 a-b n+3 b \log \left (c x^n\right )}{2 d^2 x}-\frac {\sqrt {e} \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (3 a-b n+3 b \log \left (c x^n\right )\right )}{2 d^{5/2}}+\frac {(3 b e n) \int \frac {\tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e} x} \, dx}{2 d^2} \\ & = -\frac {3 b n}{2 d^2 x}+\frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {3 a-b n+3 b \log \left (c x^n\right )}{2 d^2 x}-\frac {\sqrt {e} \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (3 a-b n+3 b \log \left (c x^n\right )\right )}{2 d^{5/2}}+\frac {\left (3 b \sqrt {e} n\right ) \int \frac {\tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{x} \, dx}{2 d^{5/2}} \\ & = -\frac {3 b n}{2 d^2 x}+\frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {3 a-b n+3 b \log \left (c x^n\right )}{2 d^2 x}-\frac {\sqrt {e} \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (3 a-b n+3 b \log \left (c x^n\right )\right )}{2 d^{5/2}}+\frac {\left (3 i b \sqrt {e} n\right ) \int \frac {\log \left (1-\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{x} \, dx}{4 d^{5/2}}-\frac {\left (3 i b \sqrt {e} n\right ) \int \frac {\log \left (1+\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{x} \, dx}{4 d^{5/2}} \\ & = -\frac {3 b n}{2 d^2 x}+\frac {a+b \log \left (c x^n\right )}{2 d x \left (d+e x^2\right )}-\frac {3 a-b n+3 b \log \left (c x^n\right )}{2 d^2 x}-\frac {\sqrt {e} \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (3 a-b n+3 b \log \left (c x^n\right )\right )}{2 d^{5/2}}+\frac {3 i b \sqrt {e} n \text {Li}_2\left (-\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{4 d^{5/2}}-\frac {3 i b \sqrt {e} n \text {Li}_2\left (\frac {i \sqrt {e} x}{\sqrt {d}}\right )}{4 d^{5/2}} \\ \end{align*}
Time = 0.48 (sec) , antiderivative size = 328, normalized size of antiderivative = 1.79 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=\frac {1}{4} \left (-\frac {4 b n}{d^2 x}-\frac {4 \left (a+b \log \left (c x^n\right )\right )}{d^2 x}+\frac {\sqrt {e} \left (a+b \log \left (c x^n\right )\right )}{d^2 \left (\sqrt {-d}-\sqrt {e} x\right )}-\frac {\sqrt {e} \left (a+b \log \left (c x^n\right )\right )}{d^2 \left (\sqrt {-d}+\sqrt {e} x\right )}+\frac {b \sqrt {e} n \left (-\log (x)+\log \left (\sqrt {-d}-\sqrt {e} x\right )\right )}{(-d)^{5/2}}+\frac {b \sqrt {e} n \left (\log (x)-\log \left (\sqrt {-d}+\sqrt {e} x\right )\right )}{(-d)^{5/2}}+\frac {3 \sqrt {e} \left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {\sqrt {e} x}{\sqrt {-d}}\right )}{(-d)^{5/2}}-\frac {3 \sqrt {e} \left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {d \sqrt {e} x}{(-d)^{3/2}}\right )}{(-d)^{5/2}}-\frac {3 b \sqrt {e} n \operatorname {PolyLog}\left (2,\frac {\sqrt {e} x}{\sqrt {-d}}\right )}{(-d)^{5/2}}+\frac {3 b \sqrt {e} n \operatorname {PolyLog}\left (2,\frac {d \sqrt {e} x}{(-d)^{3/2}}\right )}{(-d)^{5/2}}\right ) \]
[In]
[Out]
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.60 (sec) , antiderivative size = 568, normalized size of antiderivative = 3.10
method | result | size |
risch | \(-\frac {b \ln \left (x^{n}\right ) e x}{2 d^{2} \left (e \,x^{2}+d \right )}+\frac {3 b e \arctan \left (\frac {x e}{\sqrt {d e}}\right ) n \ln \left (x \right )}{2 d^{2} \sqrt {d e}}-\frac {3 b e \arctan \left (\frac {x e}{\sqrt {d e}}\right ) \ln \left (x^{n}\right )}{2 d^{2} \sqrt {d e}}-\frac {b \ln \left (x^{n}\right )}{d^{2} x}-\frac {b n e \ln \left (x \right ) \ln \left (\frac {-e x +\sqrt {-d e}}{\sqrt {-d e}}\right )}{2 d^{2} \sqrt {-d e}}+\frac {b n e \ln \left (x \right ) \ln \left (\frac {e x +\sqrt {-d e}}{\sqrt {-d e}}\right )}{2 d^{2} \sqrt {-d e}}-\frac {3 b n e \operatorname {dilog}\left (\frac {-e x +\sqrt {-d e}}{\sqrt {-d e}}\right )}{4 d^{2} \sqrt {-d e}}+\frac {3 b n e \operatorname {dilog}\left (\frac {e x +\sqrt {-d e}}{\sqrt {-d e}}\right )}{4 d^{2} \sqrt {-d e}}+\frac {b n e \arctan \left (\frac {x e}{\sqrt {d e}}\right )}{2 d^{2} \sqrt {d e}}-\frac {b n \,e^{2} \ln \left (x \right ) \ln \left (\frac {-e x +\sqrt {-d e}}{\sqrt {-d e}}\right ) x^{2}}{4 d^{2} \left (e \,x^{2}+d \right ) \sqrt {-d e}}+\frac {b n \,e^{2} \ln \left (x \right ) \ln \left (\frac {e x +\sqrt {-d e}}{\sqrt {-d e}}\right ) x^{2}}{4 d^{2} \left (e \,x^{2}+d \right ) \sqrt {-d e}}-\frac {b n e \ln \left (x \right ) \ln \left (\frac {-e x +\sqrt {-d e}}{\sqrt {-d e}}\right )}{4 d \left (e \,x^{2}+d \right ) \sqrt {-d e}}+\frac {b n e \ln \left (x \right ) \ln \left (\frac {e x +\sqrt {-d e}}{\sqrt {-d e}}\right )}{4 d \left (e \,x^{2}+d \right ) \sqrt {-d e}}-\frac {b n}{d^{2} x}+\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 \left (\frac {x}{2 e \,x^{2}+2 d}+\frac {3 \arctan \left (\frac {x e}{\sqrt {d e}}\right )}{2 \sqrt {d e}}\right )}{d^{2}}-\frac {1}{d^{2} x}\right )\) | \(568\) |
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x^{2} + d\right )}^{2} x^{2}} \,d x } \]
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=\int \frac {a + b \log {\left (c x^{n} \right )}}{x^{2} \left (d + e x^{2}\right )^{2}}\, dx \]
[In]
[Out]
Exception generated. \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=\text {Exception raised: ValueError} \]
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x^{2} + d\right )}^{2} x^{2}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 \left (d+e x^2\right )^2} \, dx=\int \frac {a+b\,\ln \left (c\,x^n\right )}{x^2\,{\left (e\,x^2+d\right )}^2} \,d x \]
[In]
[Out]