Optimal. Leaf size=248 \[ \frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {4 b e n \left (a+b \log \left (c (d+e x)^n\right )\right )^3 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{g (e f-d g)}-\frac {12 b^2 e n^2 \left (a+b \log \left (c (d+e x)^n\right )\right )^2 \text {Li}_2\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}+\frac {24 b^3 e n^3 \left (a+b \log \left (c (d+e x)^n\right )\right ) \text {Li}_3\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}-\frac {24 b^4 e n^4 \text {Li}_4\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)} \]
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Rubi [A]
time = 0.16, antiderivative size = 248, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {2444, 2443,
2481, 2421, 2430, 6724} \begin {gather*} \frac {24 b^3 e n^3 \text {PolyLog}\left (3,-\frac {g (d+e x)}{e f-d g}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g (e f-d g)}-\frac {12 b^2 e n^2 \text {PolyLog}\left (2,-\frac {g (d+e x)}{e f-d g}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )^2}{g (e f-d g)}-\frac {24 b^4 e n^4 \text {PolyLog}\left (4,-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}-\frac {4 b e n \log \left (\frac {e (f+g x)}{e f-d g}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )^3}{g (e f-d g)}+\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(f+g x) (e f-d g)} \end {gather*}
Antiderivative was successfully verified.
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Rule 2421
Rule 2430
Rule 2443
Rule 2444
Rule 2481
Rule 6724
Rubi steps
\begin {align*} \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(f+g x)^2} \, dx &=\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {(4 b e n) \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right )^3}{f+g x} \, dx}{e f-d g}\\ &=\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {4 b e n \left (a+b \log \left (c (d+e x)^n\right )\right )^3 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{g (e f-d g)}+\frac {\left (12 b^2 e^2 n^2\right ) \int \frac {\left (a+b \log \left (c (d+e x)^n\right )\right )^2 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{d+e x} \, dx}{g (e f-d g)}\\ &=\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {4 b e n \left (a+b \log \left (c (d+e x)^n\right )\right )^3 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{g (e f-d g)}+\frac {\left (12 b^2 e n^2\right ) \text {Subst}\left (\int \frac {\left (a+b \log \left (c x^n\right )\right )^2 \log \left (\frac {e \left (\frac {e f-d g}{e}+\frac {g x}{e}\right )}{e f-d g}\right )}{x} \, dx,x,d+e x\right )}{g (e f-d g)}\\ &=\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {4 b e n \left (a+b \log \left (c (d+e x)^n\right )\right )^3 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{g (e f-d g)}-\frac {12 b^2 e n^2 \left (a+b \log \left (c (d+e x)^n\right )\right )^2 \text {Li}_2\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}+\frac {\left (24 b^3 e n^3\right ) \text {Subst}\left (\int \frac {\left (a+b \log \left (c x^n\right )\right ) \text {Li}_2\left (-\frac {g x}{e f-d g}\right )}{x} \, dx,x,d+e x\right )}{g (e f-d g)}\\ &=\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {4 b e n \left (a+b \log \left (c (d+e x)^n\right )\right )^3 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{g (e f-d g)}-\frac {12 b^2 e n^2 \left (a+b \log \left (c (d+e x)^n\right )\right )^2 \text {Li}_2\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}+\frac {24 b^3 e n^3 \left (a+b \log \left (c (d+e x)^n\right )\right ) \text {Li}_3\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}-\frac {\left (24 b^4 e n^4\right ) \text {Subst}\left (\int \frac {\text {Li}_3\left (-\frac {g x}{e f-d g}\right )}{x} \, dx,x,d+e x\right )}{g (e f-d g)}\\ &=\frac {(d+e x) \left (a+b \log \left (c (d+e x)^n\right )\right )^4}{(e f-d g) (f+g x)}-\frac {4 b e n \left (a+b \log \left (c (d+e x)^n\right )\right )^3 \log \left (\frac {e (f+g x)}{e f-d g}\right )}{g (e f-d g)}-\frac {12 b^2 e n^2 \left (a+b \log \left (c (d+e x)^n\right )\right )^2 \text {Li}_2\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}+\frac {24 b^3 e n^3 \left (a+b \log \left (c (d+e x)^n\right )\right ) \text {Li}_3\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}-\frac {24 b^4 e n^4 \text {Li}_4\left (-\frac {g (d+e x)}{e f-d g}\right )}{g (e f-d g)}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(531\) vs. \(2(248)=496\).
time = 0.47, size = 531, normalized size = 2.14 \begin {gather*} \frac {-\left ((e f-d g) \left (a-b n \log (d+e x)+b \log \left (c (d+e x)^n\right )\right )^4\right )+4 b n \left (a-b n \log (d+e x)+b \log \left (c (d+e x)^n\right )\right )^3 \left (g (d+e x) \log (d+e x)-e (f+g x) \log \left (\frac {e (f+g x)}{e f-d g}\right )\right )+6 b^2 n^2 \left (a-b n \log (d+e x)+b \log \left (c (d+e x)^n\right )\right )^2 \left (\log (d+e x) \left (g (d+e x) \log (d+e x)-2 e (f+g x) \log \left (\frac {e (f+g x)}{e f-d g}\right )\right )-2 e (f+g x) \text {Li}_2\left (\frac {g (d+e x)}{-e f+d g}\right )\right )+4 b^3 n^3 \left (a-b n \log (d+e x)+b \log \left (c (d+e x)^n\right )\right ) \left (\log ^2(d+e x) \left (g (d+e x) \log (d+e x)-3 e (f+g x) \log \left (\frac {e (f+g x)}{e f-d g}\right )\right )-6 e (f+g x) \log (d+e x) \text {Li}_2\left (\frac {g (d+e x)}{-e f+d g}\right )+6 e (f+g x) \text {Li}_3\left (\frac {g (d+e x)}{-e f+d g}\right )\right )+b^4 n^4 \left (g (d+e x) \log ^4(d+e x)-4 e (f+g x) \log ^3(d+e x) \log \left (\frac {e (f+g x)}{e f-d g}\right )-12 e (f+g x) \log ^2(d+e x) \text {Li}_2\left (\frac {g (d+e x)}{-e f+d g}\right )+24 e (f+g x) \log (d+e x) \text {Li}_3\left (\frac {g (d+e x)}{-e f+d g}\right )-24 e (f+g x) \text {Li}_4\left (\frac {g (d+e x)}{-e f+d g}\right )\right )}{g (e f-d g) (f+g x)} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
4.
time = 1.70, size = 21740, normalized size = 87.66
method | result | size |
risch | \(\text {Expression too large to display}\) | \(21740\) |
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\left (a + b \log {\left (c \left (d + e x\right )^{n} \right )}\right )^{4}}{\left (f + g x\right )^{2}}\, dx \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\left (a+b\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )\right )}^4}{{\left (f+g\,x\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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