Integrand size = 21, antiderivative size = 243 \[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=-\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^2 \left (20 a+19 b n+20 b \log \left (c x^n\right )\right )}{40 e^5 (d+e x)^2}-\frac {x \left (20 a+29 b n+20 b \log \left (c x^n\right )\right )}{20 e^6 (d+e x)}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}-\frac {x^3 \left (60 a+37 b n+60 b \log \left (c x^n\right )\right )}{180 e^4 (d+e x)^3}+\frac {\left (20 a+49 b n+20 b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )}{20 e^7}+\frac {b n \operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )}{e^7} \]
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Time = 0.34 (sec) , antiderivative size = 243, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2384, 2354, 2438} \[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\frac {\log \left (\frac {e x}{d}+1\right ) \left (20 a+20 b \log \left (c x^n\right )+49 b n\right )}{20 e^7}-\frac {x \left (20 a+20 b \log \left (c x^n\right )+29 b n\right )}{20 e^6 (d+e x)}-\frac {x^2 \left (20 a+20 b \log \left (c x^n\right )+19 b n\right )}{40 e^5 (d+e x)^2}-\frac {x^3 \left (60 a+60 b \log \left (c x^n\right )+37 b n\right )}{180 e^4 (d+e x)^3}-\frac {x^4 \left (30 a+30 b \log \left (c x^n\right )+11 b n\right )}{120 e^3 (d+e x)^4}-\frac {x^5 \left (6 a+6 b \log \left (c x^n\right )+b n\right )}{30 e^2 (d+e x)^5}-\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}+\frac {b n \operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )}{e^7} \]
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Rule 2354
Rule 2384
Rule 2438
Rubi steps \begin{align*} \text {integral}& = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}+\frac {\int \frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{(d+e x)^6} \, dx}{6 e} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}+\frac {\int \frac {x^4 \left (6 b n+5 (6 a+b n)+30 b \log \left (c x^n\right )\right )}{(d+e x)^5} \, dx}{30 e^2} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}+\frac {\int \frac {x^3 \left (30 b n+4 (6 b n+5 (6 a+b n))+120 b \log \left (c x^n\right )\right )}{(d+e x)^4} \, dx}{120 e^3} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}-\frac {x^3 \left (60 a+37 b n+60 b \log \left (c x^n\right )\right )}{180 e^4 (d+e x)^3}+\frac {\int \frac {x^2 \left (120 b n+3 (30 b n+4 (6 b n+5 (6 a+b n)))+360 b \log \left (c x^n\right )\right )}{(d+e x)^3} \, dx}{360 e^4} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^2 \left (20 a+19 b n+20 b \log \left (c x^n\right )\right )}{40 e^5 (d+e x)^2}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}-\frac {x^3 \left (60 a+37 b n+60 b \log \left (c x^n\right )\right )}{180 e^4 (d+e x)^3}+\frac {\int \frac {x \left (360 b n+2 (120 b n+3 (30 b n+4 (6 b n+5 (6 a+b n))))+720 b \log \left (c x^n\right )\right )}{(d+e x)^2} \, dx}{720 e^5} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^2 \left (20 a+19 b n+20 b \log \left (c x^n\right )\right )}{40 e^5 (d+e x)^2}-\frac {x \left (20 a+29 b n+20 b \log \left (c x^n\right )\right )}{20 e^6 (d+e x)}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}-\frac {x^3 \left (60 a+37 b n+60 b \log \left (c x^n\right )\right )}{180 e^4 (d+e x)^3}+\frac {\int \frac {1080 b n+2 (120 b n+3 (30 b n+4 (6 b n+5 (6 a+b n))))+720 b \log \left (c x^n\right )}{d+e x} \, dx}{720 e^6} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^2 \left (20 a+19 b n+20 b \log \left (c x^n\right )\right )}{40 e^5 (d+e x)^2}-\frac {x \left (20 a+29 b n+20 b \log \left (c x^n\right )\right )}{20 e^6 (d+e x)}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}-\frac {x^3 \left (60 a+37 b n+60 b \log \left (c x^n\right )\right )}{180 e^4 (d+e x)^3}+\frac {\left (20 a+49 b n+20 b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )}{20 e^7}-\frac {(b n) \int \frac {\log \left (1+\frac {e x}{d}\right )}{x} \, dx}{e^7} \\ & = -\frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{6 e (d+e x)^6}-\frac {x^5 \left (6 a+b n+6 b \log \left (c x^n\right )\right )}{30 e^2 (d+e x)^5}-\frac {x^2 \left (20 a+19 b n+20 b \log \left (c x^n\right )\right )}{40 e^5 (d+e x)^2}-\frac {x \left (20 a+29 b n+20 b \log \left (c x^n\right )\right )}{20 e^6 (d+e x)}-\frac {x^4 \left (30 a+11 b n+30 b \log \left (c x^n\right )\right )}{120 e^3 (d+e x)^4}-\frac {x^3 \left (60 a+37 b n+60 b \log \left (c x^n\right )\right )}{180 e^4 (d+e x)^3}+\frac {\left (20 a+49 b n+20 b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )}{20 e^7}+\frac {b n \text {Li}_2\left (-\frac {e x}{d}\right )}{e^7} \\ \end{align*}
Time = 0.30 (sec) , antiderivative size = 333, normalized size of antiderivative = 1.37 \[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\frac {-882 b n \log (x)+\frac {-60 a d^6+432 a d^5 (d+e x)+12 b d^5 n (d+e x)-1350 a d^4 (d+e x)^2-93 b d^4 n (d+e x)^2+2400 a d^3 (d+e x)^3+326 b d^3 n (d+e x)^3-2700 a d^2 (d+e x)^4-711 b d^2 n (d+e x)^4+2160 a d (d+e x)^5+1278 b d n (d+e x)^5-60 b d^6 \log \left (c x^n\right )+432 b d^5 (d+e x) \log \left (c x^n\right )-1350 b d^4 (d+e x)^2 \log \left (c x^n\right )+2400 b d^3 (d+e x)^3 \log \left (c x^n\right )-2700 b d^2 (d+e x)^4 \log \left (c x^n\right )+2160 b d (d+e x)^5 \log \left (c x^n\right )+882 b n (d+e x)^6 \log (d+e x)+360 a (d+e x)^6 \log \left (1+\frac {e x}{d}\right )+360 b (d+e x)^6 \log \left (c x^n\right ) \log \left (1+\frac {e x}{d}\right )}{(d+e x)^6}+360 b n \operatorname {PolyLog}\left (2,-\frac {e x}{d}\right )}{360 e^7} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 1.30 (sec) , antiderivative size = 466, normalized size of antiderivative = 1.92
method | result | size |
risch | \(-\frac {b \ln \left (x^{n}\right ) d^{6}}{6 e^{7} \left (e x +d \right )^{6}}+\frac {20 b \ln \left (x^{n}\right ) d^{3}}{3 e^{7} \left (e x +d \right )^{3}}+\frac {b \ln \left (x^{n}\right ) \ln \left (e x +d \right )}{e^{7}}+\frac {6 b \ln \left (x^{n}\right ) d}{e^{7} \left (e x +d \right )}-\frac {15 b \ln \left (x^{n}\right ) d^{2}}{2 e^{7} \left (e x +d \right )^{2}}-\frac {15 b \ln \left (x^{n}\right ) d^{4}}{4 e^{7} \left (e x +d \right )^{4}}+\frac {6 b \ln \left (x^{n}\right ) d^{5}}{5 e^{7} \left (e x +d \right )^{5}}+\frac {71 b n d}{20 e^{7} \left (e x +d \right )}+\frac {49 b n \ln \left (e x +d \right )}{20 e^{7}}-\frac {79 b n \,d^{2}}{40 e^{7} \left (e x +d \right )^{2}}+\frac {163 b n \,d^{3}}{180 e^{7} \left (e x +d \right )^{3}}-\frac {31 b n \,d^{4}}{120 e^{7} \left (e x +d \right )^{4}}+\frac {b n \,d^{5}}{30 e^{7} \left (e x +d \right )^{5}}-\frac {49 b n \ln \left (e x \right )}{20 e^{7}}-\frac {b n \ln \left (e x +d \right ) \ln \left (-\frac {e x}{d}\right )}{e^{7}}-\frac {b n \operatorname {dilog}\left (-\frac {e x}{d}\right )}{e^{7}}+\left (-\frac {i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )}{2}+\frac {i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}}{2}+\frac {i b \pi \,\operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}}{2}-\frac {i b \pi \operatorname {csgn}\left (i c \,x^{n}\right )^{3}}{2}+b \ln \left (c \right )+a \right ) \left (-\frac {d^{6}}{6 e^{7} \left (e x +d \right )^{6}}+\frac {20 d^{3}}{3 e^{7} \left (e x +d \right )^{3}}+\frac {\ln \left (e x +d \right )}{e^{7}}+\frac {6 d}{e^{7} \left (e x +d \right )}-\frac {15 d^{2}}{2 e^{7} \left (e x +d \right )^{2}}-\frac {15 d^{4}}{4 e^{7} \left (e x +d \right )^{4}}+\frac {6 d^{5}}{5 e^{7} \left (e x +d \right )^{5}}\right )\) | \(466\) |
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\[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\int { \frac {{\left (b \log \left (c x^{n}\right ) + a\right )} x^{6}}{{\left (e x + d\right )}^{7}} \,d x } \]
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Time = 80.64 (sec) , antiderivative size = 1588, normalized size of antiderivative = 6.53 \[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\text {Timed out} \]
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\[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\int { \frac {{\left (b \log \left (c x^{n}\right ) + a\right )} x^{6}}{{\left (e x + d\right )}^{7}} \,d x } \]
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Timed out. \[ \int \frac {x^6 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^7} \, dx=\int \frac {x^6\,\left (a+b\,\ln \left (c\,x^n\right )\right )}{{\left (d+e\,x\right )}^7} \,d x \]
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