Optimal. Leaf size=141 \[ \frac {\log \left (\frac {e x}{d}+1\right ) \left (6 a+6 b \log \left (c x^n\right )+11 b n\right )}{6 e^4}-\frac {x \left (6 a+6 b \log \left (c x^n\right )+5 b n\right )}{6 e^3 (d+e x)}-\frac {x^2 \left (3 a+3 b \log \left (c x^n\right )+b n\right )}{6 e^2 (d+e x)^2}-\frac {x^3 \left (a+b \log \left (c x^n\right )\right )}{3 e (d+e x)^3}+\frac {b n \text {Li}_2\left (-\frac {e x}{d}\right )}{e^4} \]
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Rubi [A] time = 0.25, antiderivative size = 178, normalized size of antiderivative = 1.26, number of steps used = 12, number of rules used = 8, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.381, Rules used = {43, 2351, 2319, 44, 2314, 31, 2317, 2391} \[ \frac {b n \text {PolyLog}\left (2,-\frac {e x}{d}\right )}{e^4}+\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{3 e^4 (d+e x)^3}-\frac {3 d^2 \left (a+b \log \left (c x^n\right )\right )}{2 e^4 (d+e x)^2}-\frac {3 x \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)}+\frac {\log \left (\frac {e x}{d}+1\right ) \left (a+b \log \left (c x^n\right )\right )}{e^4}-\frac {b d^2 n}{6 e^4 (d+e x)^2}+\frac {7 b d n}{6 e^4 (d+e x)}+\frac {11 b n \log (d+e x)}{6 e^4}+\frac {7 b n \log (x)}{6 e^4} \]
Antiderivative was successfully verified.
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Rule 31
Rule 43
Rule 44
Rule 2314
Rule 2317
Rule 2319
Rule 2351
Rule 2391
Rubi steps
\begin {align*} \int \frac {x^3 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^4} \, dx &=\int \left (-\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)^4}+\frac {3 d^2 \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)^3}-\frac {3 d \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)^2}+\frac {a+b \log \left (c x^n\right )}{e^3 (d+e x)}\right ) \, dx\\ &=\frac {\int \frac {a+b \log \left (c x^n\right )}{d+e x} \, dx}{e^3}-\frac {(3 d) \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^2} \, dx}{e^3}+\frac {\left (3 d^2\right ) \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^3} \, dx}{e^3}-\frac {d^3 \int \frac {a+b \log \left (c x^n\right )}{(d+e x)^4} \, dx}{e^3}\\ &=\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{3 e^4 (d+e x)^3}-\frac {3 d^2 \left (a+b \log \left (c x^n\right )\right )}{2 e^4 (d+e x)^2}-\frac {3 x \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)}+\frac {\left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )}{e^4}-\frac {(b n) \int \frac {\log \left (1+\frac {e x}{d}\right )}{x} \, dx}{e^4}+\frac {\left (3 b d^2 n\right ) \int \frac {1}{x (d+e x)^2} \, dx}{2 e^4}-\frac {\left (b d^3 n\right ) \int \frac {1}{x (d+e x)^3} \, dx}{3 e^4}+\frac {(3 b n) \int \frac {1}{d+e x} \, dx}{e^3}\\ &=\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{3 e^4 (d+e x)^3}-\frac {3 d^2 \left (a+b \log \left (c x^n\right )\right )}{2 e^4 (d+e x)^2}-\frac {3 x \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)}+\frac {3 b n \log (d+e x)}{e^4}+\frac {\left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )}{e^4}+\frac {b n \text {Li}_2\left (-\frac {e x}{d}\right )}{e^4}+\frac {\left (3 b d^2 n\right ) \int \left (\frac {1}{d^2 x}-\frac {e}{d (d+e x)^2}-\frac {e}{d^2 (d+e x)}\right ) \, dx}{2 e^4}-\frac {\left (b d^3 n\right ) \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 e^4}\\ &=-\frac {b d^2 n}{6 e^4 (d+e x)^2}+\frac {7 b d n}{6 e^4 (d+e x)}+\frac {7 b n \log (x)}{6 e^4}+\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{3 e^4 (d+e x)^3}-\frac {3 d^2 \left (a+b \log \left (c x^n\right )\right )}{2 e^4 (d+e x)^2}-\frac {3 x \left (a+b \log \left (c x^n\right )\right )}{e^3 (d+e x)}+\frac {11 b n \log (d+e x)}{6 e^4}+\frac {\left (a+b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x}{d}\right )}{e^4}+\frac {b n \text {Li}_2\left (-\frac {e x}{d}\right )}{e^4}\\ \end {align*}
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Mathematica [A] time = 0.24, size = 179, normalized size = 1.27 \[ \frac {\frac {2 d^3 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^3}-\frac {9 d^2 \left (a+b \log \left (c x^n\right )\right )}{(d+e x)^2}+\frac {18 d \left (a+b \log \left (c x^n\right )\right )}{d+e x}+6 \log \left (\frac {e x}{d}+1\right ) \left (a+b \log \left (c x^n\right )\right )+6 b n \text {Li}_2\left (-\frac {e x}{d}\right )-b n \left (\frac {d (3 d+2 e x)}{(d+e x)^2}-2 \log (d+e x)+2 \log (x)\right )-18 b n (\log (x)-\log (d+e x))+9 b n \left (\frac {d}{d+e x}-\log (d+e x)+\log (x)\right )}{6 e^4} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.76, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {b x^{3} \log \left (c x^{n}\right ) + a x^{3}}{e^{4} x^{4} + 4 \, d e^{3} x^{3} + 6 \, d^{2} e^{2} x^{2} + 4 \, d^{3} e x + d^{4}}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {{\left (b \log \left (c x^{n}\right ) + a\right )} x^{3}}{{\left (e x + d\right )}^{4}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.19, size = 801, normalized size = 5.68 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \frac {1}{6} \, a {\left (\frac {18 \, d e^{2} x^{2} + 27 \, d^{2} e x + 11 \, d^{3}}{e^{7} x^{3} + 3 \, d e^{6} x^{2} + 3 \, d^{2} e^{5} x + d^{3} e^{4}} + \frac {6 \, \log \left (e x + d\right )}{e^{4}}\right )} + b \int \frac {x^{3} \log \relax (c) + x^{3} \log \left (x^{n}\right )}{e^{4} x^{4} + 4 \, d e^{3} x^{3} + 6 \, d^{2} e^{2} x^{2} + 4 \, d^{3} e x + d^{4}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^3\,\left (a+b\,\ln \left (c\,x^n\right )\right )}{{\left (d+e\,x\right )}^4} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 70.47, size = 500, normalized size = 3.55 \[ - \frac {a d^{3} \left (\begin {cases} \frac {x}{d^{4}} & \text {for}\: e = 0 \\- \frac {1}{3 e \left (d + e x\right )^{3}} & \text {otherwise} \end {cases}\right )}{e^{3}} + \frac {3 a d^{2} \left (\begin {cases} \frac {x}{d^{3}} & \text {for}\: e = 0 \\- \frac {1}{2 e \left (d + e x\right )^{2}} & \text {otherwise} \end {cases}\right )}{e^{3}} - \frac {3 a d \left (\begin {cases} \frac {x}{d^{2}} & \text {for}\: e = 0 \\- \frac {1}{d e + e^{2} x} & \text {otherwise} \end {cases}\right )}{e^{3}} + \frac {a \left (\begin {cases} \frac {x}{d} & \text {for}\: e = 0 \\\frac {\log {\left (d + e x \right )}}{e} & \text {otherwise} \end {cases}\right )}{e^{3}} + \frac {b d^{3} n \left (\begin {cases} \frac {x}{d^{4}} & \text {for}\: e = 0 \\- \frac {3 d}{6 d^{4} e + 12 d^{3} e^{2} x + 6 d^{2} e^{3} x^{2}} - \frac {2 e x}{6 d^{4} e + 12 d^{3} e^{2} x + 6 d^{2} e^{3} x^{2}} - \frac {\log {\relax (x )}}{3 d^{3} e} + \frac {\log {\left (\frac {d}{e} + x \right )}}{3 d^{3} e} & \text {otherwise} \end {cases}\right )}{e^{3}} - \frac {b d^{3} \left (\begin {cases} \frac {x}{d^{4}} & \text {for}\: e = 0 \\- \frac {1}{3 e \left (d + e x\right )^{3}} & \text {otherwise} \end {cases}\right ) \log {\left (c x^{n} \right )}}{e^{3}} - \frac {3 b d^{2} n \left (\begin {cases} \frac {x}{d^{3}} & \text {for}\: e = 0 \\- \frac {1}{2 d^{2} e + 2 d e^{2} x} - \frac {\log {\relax (x )}}{2 d^{2} e} + \frac {\log {\left (\frac {d}{e} + x \right )}}{2 d^{2} e} & \text {otherwise} \end {cases}\right )}{e^{3}} + \frac {3 b d^{2} \left (\begin {cases} \frac {x}{d^{3}} & \text {for}\: e = 0 \\- \frac {1}{2 e \left (d + e x\right )^{2}} & \text {otherwise} \end {cases}\right ) \log {\left (c x^{n} \right )}}{e^{3}} + \frac {3 b d n \left (\begin {cases} \frac {x}{d^{2}} & \text {for}\: e = 0 \\- \frac {\log {\relax (x )}}{d e} + \frac {\log {\left (\frac {d}{e} + x \right )}}{d e} & \text {otherwise} \end {cases}\right )}{e^{3}} - \frac {3 b d \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 )}}{e^{3}} - \frac {b n \left (\begin {cases} \frac {x}{d} & \text {for}\: e = 0 \\\frac {\begin {cases} \log {\relax (d )} \log {\relax (x )} - \operatorname {Li}_{2}\left (\frac {e x e^{i \pi }}{d}\right ) & \text {for}\: \left |{x}\right | < 1 \\- \log {\relax (d )} \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 {\relax (d )} + {G_{2, 2}^{0, 2}\left (\begin {matrix} 1, 1 & \\ & 0, 0 \end {matrix} \middle | {x} \right )} \log {\relax (d )} - \operatorname {Li}_{2}\left (\frac {e x e^{i \pi }}{d}\right ) & \text {otherwise} \end {cases}}{e} & \text {otherwise} \end {cases}\right )}{e^{3}} + \frac {b \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 )}}{e^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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