Optimal. Leaf size=177 \[ \frac {e^{-\frac {a}{b n}} (e f-d g) (d+e x) \left (c (d+e x)^n\right )^{-1/n} \text {Ei}\left (\frac {a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^2 n^2}+\frac {2 e^{-\frac {2 a}{b n}} g (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n} \text {Ei}\left (\frac {2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^2 n^2}-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )} \]
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Rubi [A]
time = 0.18, antiderivative size = 177, normalized size of antiderivative = 1.00, number of steps
used = 12, number of rules used = 7, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.318, Rules used = {2447, 2446,
2436, 2337, 2209, 2437, 2347} \begin {gather*} \frac {e^{-\frac {a}{b n}} (d+e x) (e f-d g) \left (c (d+e x)^n\right )^{-1/n} \text {Ei}\left (\frac {a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^2 n^2}+\frac {2 g e^{-\frac {2 a}{b n}} (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n} \text {Ei}\left (\frac {2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^2 n^2}-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 2209
Rule 2337
Rule 2347
Rule 2436
Rule 2437
Rule 2446
Rule 2447
Rubi steps
\begin {align*} \int \frac {f+g x}{\left (a+b \log \left (c (d+e x)^n\right )\right )^2} \, dx &=-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac {2 \int \frac {f+g x}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b n}-\frac {(e f-d g) \int \frac {1}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e n}\\ &=-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac {2 \int \left (\frac {e f-d g}{e \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac {g (d+e x)}{e \left (a+b \log \left (c (d+e x)^n\right )\right )}\right ) \, dx}{b n}-\frac {(e f-d g) \text {Subst}\left (\int \frac {1}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^2 n}\\ &=-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac {(2 g) \int \frac {d+e x}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e n}+\frac {(2 (e f-d g)) \int \frac {1}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e n}-\frac {\left ((e f-d g) (d+e x) \left (c (d+e x)^n\right )^{-1/n}\right ) \text {Subst}\left (\int \frac {e^{\frac {x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^2 n^2}\\ &=-\frac {e^{-\frac {a}{b n}} (e f-d g) (d+e x) \left (c (d+e x)^n\right )^{-1/n} \text {Ei}\left (\frac {a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^2 n^2}-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac {(2 g) \text {Subst}\left (\int \frac {x}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^2 n}+\frac {(2 (e f-d g)) \text {Subst}\left (\int \frac {1}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^2 n}\\ &=-\frac {e^{-\frac {a}{b n}} (e f-d g) (d+e x) \left (c (d+e x)^n\right )^{-1/n} \text {Ei}\left (\frac {a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^2 n^2}-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac {\left (2 g (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n}\right ) \text {Subst}\left (\int \frac {e^{\frac {2 x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^2 n^2}+\frac {\left (2 (e f-d g) (d+e x) \left (c (d+e x)^n\right )^{-1/n}\right ) \text {Subst}\left (\int \frac {e^{\frac {x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^2 n^2}\\ &=\frac {e^{-\frac {a}{b n}} (e f-d g) (d+e x) \left (c (d+e x)^n\right )^{-1/n} \text {Ei}\left (\frac {a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^2 n^2}+\frac {2 e^{-\frac {2 a}{b n}} g (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n} \text {Ei}\left (\frac {2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^2 n^2}-\frac {(d+e x) (f+g x)}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}\\ \end {align*}
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Mathematica [A]
time = 0.19, size = 208, normalized size = 1.18 \begin {gather*} -\frac {e^{-\frac {2 a}{b n}} (d+e x) \left (c (d+e x)^n\right )^{-2/n} \left (b e e^{\frac {2 a}{b n}} n \left (c (d+e x)^n\right )^{2/n} (f+g x)-e^{\frac {a}{b n}} (e f-d g) \left (c (d+e x)^n\right )^{\frac {1}{n}} \text {Ei}\left (\frac {a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )-2 g (d+e x) \text {Ei}\left (\frac {2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )\right )}{b^2 e^2 n^2 \left (a+b \log \left (c (d+e x)^n\right )\right )} \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 = 0.70, size = 2300, normalized size = 12.99
method | result | size |
risch | \(\text {Expression too large to display}\) | \(2300\) |
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 [A]
time = 0.38, size = 244, normalized size = 1.38 \begin {gather*} -\frac {{\left ({\left (a d g - a f e + {\left (b d g n - b f n e\right )} \log \left (x e + d\right ) + {\left (b d g - b f e\right )} \log \left (c\right )\right )} e^{\left (\frac {b \log \left (c\right ) + a}{b n}\right )} \operatorname {log\_integral}\left ({\left (x e + d\right )} e^{\left (\frac {b \log \left (c\right ) + a}{b n}\right )}\right ) + {\left ({\left (b g n x^{2} + b f n x\right )} e^{2} + {\left (b d g n x + b d f n\right )} e\right )} e^{\left (\frac {2 \, {\left (b \log \left (c\right ) + a\right )}}{b n}\right )} - 2 \, {\left (b g n \log \left (x e + d\right ) + b g \log \left (c\right ) + a g\right )} \operatorname {log\_integral}\left ({\left (x^{2} e^{2} + 2 \, d x e + d^{2}\right )} e^{\left (\frac {2 \, {\left (b \log \left (c\right ) + a\right )}}{b n}\right )}\right )\right )} e^{\left (-\frac {2 \, {\left (b \log \left (c\right ) + a\right )}}{b n}\right )}}{b^{3} n^{3} e^{2} \log \left (x e + d\right ) + b^{3} n^{2} e^{2} \log \left (c\right ) + a b^{2} n^{2} e^{2}} \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 {f + g x}{\left (a + b \log {\left (c \left (d + e x\right )^{n} \right )}\right )^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 984 vs.
\(2 (184) = 368\).
time = 3.30, size = 984, normalized size = 5.56 \begin {gather*} -\frac {{\left (x e + d\right )}^{2} b g n e}{b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}} + \frac {{\left (x e + d\right )} b d g n e}{b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}} - \frac {b d g n {\rm Ei}\left (\frac {\log \left (c\right )}{n} + \frac {a}{b n} + \log \left (x e + d\right )\right ) e^{\left (-\frac {a}{b n} + 1\right )} \log \left (x e + d\right )}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\left (\frac {1}{n}\right )}} - \frac {{\left (x e + d\right )} b f n e^{2}}{b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}} + \frac {b f n {\rm Ei}\left (\frac {\log \left (c\right )}{n} + \frac {a}{b n} + \log \left (x e + d\right )\right ) e^{\left (-\frac {a}{b n} + 2\right )} \log \left (x e + d\right )}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\left (\frac {1}{n}\right )}} + \frac {2 \, b g n {\rm Ei}\left (\frac {2 \, \log \left (c\right )}{n} + \frac {2 \, a}{b n} + 2 \, \log \left (x e + d\right )\right ) e^{\left (-\frac {2 \, a}{b n} + 1\right )} \log \left (x e + d\right )}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\frac {2}{n}}} - \frac {b d g {\rm Ei}\left (\frac {\log \left (c\right )}{n} + \frac {a}{b n} + \log \left (x e + d\right )\right ) e^{\left (-\frac {a}{b n} + 1\right )} \log \left (c\right )}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\left (\frac {1}{n}\right )}} - \frac {a d g {\rm Ei}\left (\frac {\log \left (c\right )}{n} + \frac {a}{b n} + \log \left (x e + d\right )\right ) e^{\left (-\frac {a}{b n} + 1\right )}}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\left (\frac {1}{n}\right )}} + \frac {b f {\rm Ei}\left (\frac {\log \left (c\right )}{n} + \frac {a}{b n} + \log \left (x e + d\right )\right ) e^{\left (-\frac {a}{b n} + 2\right )} \log \left (c\right )}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\left (\frac {1}{n}\right )}} + \frac {2 \, b g {\rm Ei}\left (\frac {2 \, \log \left (c\right )}{n} + \frac {2 \, a}{b n} + 2 \, \log \left (x e + d\right )\right ) e^{\left (-\frac {2 \, a}{b n} + 1\right )} \log \left (c\right )}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\frac {2}{n}}} + \frac {a f {\rm Ei}\left (\frac {\log \left (c\right )}{n} + \frac {a}{b n} + \log \left (x e + d\right )\right ) e^{\left (-\frac {a}{b n} + 2\right )}}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\left (\frac {1}{n}\right )}} + \frac {2 \, a g {\rm Ei}\left (\frac {2 \, \log \left (c\right )}{n} + \frac {2 \, a}{b n} + 2 \, \log \left (x e + d\right )\right ) e^{\left (-\frac {2 \, a}{b n} + 1\right )}}{{\left (b^{3} n^{3} e^{3} \log \left (x e + d\right ) + b^{3} n^{2} e^{3} \log \left (c\right ) + a b^{2} n^{2} e^{3}\right )} c^{\frac {2}{n}}} \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 = -0.01 \begin {gather*} \int \frac {f+g\,x}{{\left (a+b\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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