Integrand size = 21, antiderivative size = 114 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=-\frac {b n}{d^2 x}-\frac {a+b \log \left (c x^n\right )}{d^2 x}+\frac {e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)}+\frac {2 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^3}-\frac {b e n \log (d+e x)}{d^3}-\frac {2 b e n \operatorname {PolyLog}\left (2,-\frac {d}{e x}\right )}{d^3} \]
[Out]
Time = 0.12 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {46, 2393, 2341, 2351, 31, 2379, 2438} \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=\frac {e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)}+\frac {2 e \log \left (\frac {d}{e x}+1\right ) \left (a+b \log \left (c x^n\right )\right )}{d^3}-\frac {a+b \log \left (c x^n\right )}{d^2 x}-\frac {2 b e n \operatorname {PolyLog}\left (2,-\frac {d}{e x}\right )}{d^3}-\frac {b e n \log (d+e x)}{d^3}-\frac {b n}{d^2 x} \]
[In]
[Out]
Rule 31
Rule 46
Rule 2341
Rule 2351
Rule 2379
Rule 2393
Rule 2438
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a+b \log \left (c x^n\right )}{d^2 x^2}+\frac {e^2 \left (a+b \log \left (c x^n\right )\right )}{d^2 (d+e x)^2}-\frac {2 e \left (a+b \log \left (c x^n\right )\right )}{d^2 x (d+e x)}\right ) \, dx \\ & = \frac {\int \frac {a+b \log \left (c x^n\right )}{x^2} \, dx}{d^2}-\frac {(2 e) \int \frac {a+b \log \left (c x^n\right )}{x (d+e x)} \, dx}{d^2}+\frac {e^2 \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^2} \, dx}{d^2} \\ & = -\frac {b n}{d^2 x}-\frac {a+b \log \left (c x^n\right )}{d^2 x}+\frac {e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)}+\frac {2 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^3}-\frac {(2 b e n) \int \frac {\log \left (1+\frac {d}{e x}\right )}{x} \, dx}{d^3}-\frac {\left (b e^2 n\right ) \int \frac {1}{d+e x} \, dx}{d^3} \\ & = -\frac {b n}{d^2 x}-\frac {a+b \log \left (c x^n\right )}{d^2 x}+\frac {e^2 x \left (a+b \log \left (c x^n\right )\right )}{d^3 (d+e x)}+\frac {2 e \log \left (1+\frac {d}{e x}\right ) \left (a+b \log \left (c x^n\right )\right )}{d^3}-\frac {b e n \log (d+e x)}{d^3}-\frac {2 b e n \text {Li}_2\left (-\frac {d}{e x}\right )}{d^3} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 120, normalized size of antiderivative = 1.05 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=-\frac {\frac {b d n}{x}+\frac {d \left (a+b \log \left (c x^n\right )\right )}{x}+\frac {d e \left (a+b \log \left (c x^n\right )\right )}{d+e x}+\frac {e \left (a+b \log \left (c x^n\right )\right )^2}{b n}-b e n (\log (x)-\log (d+e x))-2 e \left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )-2 b e n \operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )}{d^3} \]
[In]
[Out]
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.44 (sec) , antiderivative size = 276, normalized size of antiderivative = 2.42
method | result | size |
risch | \(-\frac {b \ln \left (x^{n}\right ) e}{d^{2} \left (e x +d \right )}+\frac {2 b \ln \left (x^{n}\right ) e \ln \left (e x +d \right )}{d^{3}}-\frac {b \ln \left (x^{n}\right )}{d^{2} x}-\frac {2 b \ln \left (x^{n}\right ) e \ln \left (x \right )}{d^{3}}+\frac {b n e \ln \left (x \right )^{2}}{d^{3}}-\frac {2 b n e \ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right )}{d^{3}}-\frac {2 b n e \operatorname {dilog}\left (-\frac {e x}{d}\right )}{d^{3}}-\frac {b e n \ln \left (e x +d \right )}{d^{3}}-\frac {b n}{d^{2} x}+\frac {b n e \ln \left (x \right )}{d^{3}}+\left (-\frac {i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )}{2}+\frac {i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}}{2}+\frac {i b \pi \,\operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}}{2}-\frac {i b \pi \operatorname {csgn}\left (i c \,x^{n}\right )^{3}}{2}+b \ln \left (c \right )+a \right ) \left (-\frac {e}{d^{2} \left (e x +d \right )}+\frac {2 e \ln \left (e x +d \right )}{d^{3}}-\frac {1}{d^{2} x}-\frac {2 e \ln \left (x \right )}{d^{3}}\right )\) | \(276\) |
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x + d\right )}^{2} x^{2}} \,d x } \]
[In]
[Out]
Time = 30.60 (sec) , antiderivative size = 318, normalized size of antiderivative = 2.79 \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=\frac {a e^{2} \left (\begin {cases} \frac {x}{d^{2}} & \text {for}\: e = 0 \\- \frac {1}{d e + e^{2} x} & \text {otherwise} \end {cases}\right )}{d^{2}} - \frac {a}{d^{2} x} + \frac {2 a e^{2} \left (\begin {cases} \frac {x}{d} & \text {for}\: e = 0 \\\frac {\log {\left (d + e x \right )}}{e} & \text {otherwise} \end {cases}\right )}{d^{3}} - \frac {2 a e \log {\left (x \right )}}{d^{3}} - \frac {b e^{2} n \left (\begin {cases} \frac {x}{d^{2}} & \text {for}\: e = 0 \\- \frac {\log {\left (x \right )}}{d e} + \frac {\log {\left (\frac {d}{e} + x \right )}}{d e} & \text {otherwise} \end {cases}\right )}{d^{2}} + \frac {b e^{2} \left (\begin {cases} \frac {x}{d^{2}} & \text {for}\: e = 0 \\- \frac {1}{d e + e^{2} x} & \text {otherwise} \end {cases}\right ) \log {\left (c x^{n} \right )}}{d^{2}} - \frac {b n}{d^{2} x} - \frac {b \log {\left (c x^{n} \right )}}{d^{2} x} - \frac {2 b e^{2} n \left (\begin {cases} \frac {x}{d} & \text {for}\: e = 0 \\\frac {\begin {cases} - \operatorname {Li}_{2}\left (\frac {e x e^{i \pi }}{d}\right ) & \text {for}\: \frac {1}{\left |{x}\right |} < 1 \wedge \left |{x}\right | < 1 \\\log {\left (d \right )} \log {\left (x \right )} - \operatorname {Li}_{2}\left (\frac {e x e^{i \pi }}{d}\right ) & \text {for}\: \left |{x}\right | < 1 \\- \log {\left (d \right )} \log {\left (\frac {1}{x} \right )} - \operatorname {Li}_{2}\left (\frac {e x e^{i \pi }}{d}\right ) & \text {for}\: \frac {1}{\left |{x}\right |} < 1 \\- {G_{2, 2}^{2, 0}\left (\begin {matrix} & 1, 1 \\0, 0 & \end {matrix} \middle | {x} \right )} \log {\left (d \right )} + {G_{2, 2}^{0, 2}\left (\begin {matrix} 1, 1 & \\ & 0, 0 \end {matrix} \middle | {x} \right )} \log {\left (d \right )} - \operatorname {Li}_{2}\left (\frac {e x e^{i \pi }}{d}\right ) & \text {otherwise} \end {cases}}{e} & \text {otherwise} \end {cases}\right )}{d^{3}} + \frac {2 b e^{2} \left (\begin {cases} \frac {x}{d} & \text {for}\: e = 0 \\\frac {\log {\left (d + e x \right )}}{e} & \text {otherwise} \end {cases}\right ) \log {\left (c x^{n} \right )}}{d^{3}} + \frac {b e n \log {\left (x \right )}^{2}}{d^{3}} - \frac {2 b e \log {\left (x \right )} \log {\left (c x^{n} \right )}}{d^{3}} \]
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x + d\right )}^{2} x^{2}} \,d x } \]
[In]
[Out]
\[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=\int { \frac {b \log \left (c x^{n}\right ) + a}{{\left (e x + d\right )}^{2} x^{2}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {a+b \log \left (c x^n\right )}{x^2 (d+e x)^2} \, dx=\int \frac {a+b\,\ln \left (c\,x^n\right )}{x^2\,{\left (d+e\,x\right )}^2} \,d x \]
[In]
[Out]