Integrand size = 40, antiderivative size = 243 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=-\frac {B \left (4 b-\frac {d (a+b x)}{c+d x}\right )^2}{4 (b c-a d)^3 g i^3}-\frac {b^2 B \log ^2\left (\frac {a+b x}{c+d x}\right )}{2 (b c-a d)^3 g i^3}+\frac {d^2 (a+b x)^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{2 (b c-a d)^3 g i^3 (c+d x)^2}-\frac {2 b d (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3 (c+d x)}+\frac {b^2 \log \left (\frac {a+b x}{c+d x}\right ) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3} \]
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Time = 0.14 (sec) , antiderivative size = 243, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {2562, 45, 2372, 2338} \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=\frac {b^2 \log \left (\frac {a+b x}{c+d x}\right ) \left (B \log \left (\frac {e (a+b x)}{c+d x}\right )+A\right )}{g i^3 (b c-a d)^3}+\frac {d^2 (a+b x)^2 \left (B \log \left (\frac {e (a+b x)}{c+d x}\right )+A\right )}{2 g i^3 (c+d x)^2 (b c-a d)^3}-\frac {2 b d (a+b x) \left (B \log \left (\frac {e (a+b x)}{c+d x}\right )+A\right )}{g i^3 (c+d x) (b c-a d)^3}-\frac {b^2 B \log ^2\left (\frac {a+b x}{c+d x}\right )}{2 g i^3 (b c-a d)^3}-\frac {B \left (4 b-\frac {d (a+b x)}{c+d x}\right )^2}{4 g i^3 (b c-a d)^3} \]
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Rule 45
Rule 2338
Rule 2372
Rule 2562
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {(b-d x)^2 (A+B \log (e x))}{x} \, dx,x,\frac {a+b x}{c+d x}\right )}{(b c-a d)^3 g i^3} \\ & = \frac {d^2 (a+b x)^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{2 (b c-a d)^3 g i^3 (c+d x)^2}-\frac {2 b d (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3 (c+d x)}+\frac {b^2 \log \left (\frac {a+b x}{c+d x}\right ) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3}-\frac {B \text {Subst}\left (\int \left (\frac {1}{2} d (-4 b+d x)+\frac {b^2 \log (x)}{x}\right ) \, dx,x,\frac {a+b x}{c+d x}\right )}{(b c-a d)^3 g i^3} \\ & = -\frac {B \left (4 b-\frac {d (a+b x)}{c+d x}\right )^2}{4 (b c-a d)^3 g i^3}+\frac {d^2 (a+b x)^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{2 (b c-a d)^3 g i^3 (c+d x)^2}-\frac {2 b d (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3 (c+d x)}+\frac {b^2 \log \left (\frac {a+b x}{c+d x}\right ) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3}-\frac {\left (b^2 B\right ) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,\frac {a+b x}{c+d x}\right )}{(b c-a d)^3 g i^3} \\ & = -\frac {B \left (4 b-\frac {d (a+b x)}{c+d x}\right )^2}{4 (b c-a d)^3 g i^3}-\frac {b^2 B \log ^2\left (\frac {a+b x}{c+d x}\right )}{2 (b c-a d)^3 g i^3}+\frac {d^2 (a+b x)^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{2 (b c-a d)^3 g i^3 (c+d x)^2}-\frac {2 b d (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3 (c+d x)}+\frac {b^2 \log \left (\frac {a+b x}{c+d x}\right ) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^3 g i^3} \\ \end{align*}
Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 0.27 (sec) , antiderivative size = 418, normalized size of antiderivative = 1.72 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=\frac {2 (b c-a d)^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )+4 b (b c-a d) (c+d x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )+4 b^2 (c+d x)^2 \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )-4 b^2 (c+d x)^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)-4 b B (c+d x) (b c-a d+b (c+d x) \log (a+b x)-b (c+d x) \log (c+d x))-B \left ((b c-a d)^2+2 b (b c-a d) (c+d x)+2 b^2 (c+d x)^2 \log (a+b x)-2 b^2 (c+d x)^2 \log (c+d x)\right )-2 b^2 B (c+d x)^2 \left (\log (a+b x) \left (\log (a+b x)-2 \log \left (\frac {b (c+d x)}{b c-a d}\right )\right )-2 \operatorname {PolyLog}\left (2,\frac {d (a+b x)}{-b c+a d}\right )\right )+2 b^2 B (c+d x)^2 \left (\left (2 \log \left (\frac {d (a+b x)}{-b c+a d}\right )-\log (c+d x)\right ) \log (c+d x)+2 \operatorname {PolyLog}\left (2,\frac {b (c+d x)}{b c-a d}\right )\right )}{4 (b c-a d)^3 g i^3 (c+d x)^2} \]
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Time = 1.22 (sec) , antiderivative size = 367, normalized size of antiderivative = 1.51
method | result | size |
parts | \(\frac {A \left (-\frac {1}{2 \left (a d -c b \right ) \left (d x +c \right )^{2}}+\frac {b^{2} \ln \left (d x +c \right )}{\left (a d -c b \right )^{3}}+\frac {b}{\left (a d -c b \right )^{2} \left (d x +c \right )}-\frac {b^{2} \ln \left (b x +a \right )}{\left (a d -c b \right )^{3}}\right )}{g \,i^{3}}-\frac {B d \left (\frac {d \left (\frac {\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{2}-\frac {\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{4}\right )}{a d -c b}-\frac {2 b e \left (\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )-\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}-\frac {b e}{d}\right )}{a d -c b}+\frac {e^{2} b^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 d \left (a d -c b \right )}\right )}{g \,i^{3} \left (a d -c b \right )^{2} e^{2}}\) | \(367\) |
derivativedivides | \(-\frac {e \left (a d -c b \right ) \left (\frac {d^{2} A \,b^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{e \,i^{3} \left (a d -c b \right )^{4} g}-\frac {2 d^{3} A b \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{e^{2} i^{3} \left (a d -c b \right )^{4} g}+\frac {d^{4} A \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 e^{3} i^{3} \left (a d -c b \right )^{4} g}+\frac {d^{2} B \,b^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 e \,i^{3} \left (a d -c b \right )^{4} g}-\frac {2 d^{3} B b \left (\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )-\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}-\frac {b e}{d}\right )}{e^{2} i^{3} \left (a d -c b \right )^{4} g}+\frac {d^{4} B \left (\frac {\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{2}-\frac {\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{4}\right )}{e^{3} i^{3} \left (a d -c b \right )^{4} g}\right )}{d^{2}}\) | \(462\) |
default | \(-\frac {e \left (a d -c b \right ) \left (\frac {d^{2} A \,b^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{e \,i^{3} \left (a d -c b \right )^{4} g}-\frac {2 d^{3} A b \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{e^{2} i^{3} \left (a d -c b \right )^{4} g}+\frac {d^{4} A \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 e^{3} i^{3} \left (a d -c b \right )^{4} g}+\frac {d^{2} B \,b^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 e \,i^{3} \left (a d -c b \right )^{4} g}-\frac {2 d^{3} B b \left (\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )-\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}-\frac {b e}{d}\right )}{e^{2} i^{3} \left (a d -c b \right )^{4} g}+\frac {d^{4} B \left (\frac {\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{2}-\frac {\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{4}\right )}{e^{3} i^{3} \left (a d -c b \right )^{4} g}\right )}{d^{2}}\) | \(462\) |
parallelrisch | \(-\frac {-4 B x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{3} b \,c^{4} d^{2}-8 B x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{2} b^{2} c^{5} d +12 A x \,a^{3} b \,c^{4} d^{2}-8 A x \,a^{2} b^{2} c^{5} d -10 B x \,a^{3} b \,c^{4} d^{2}+8 B x \,a^{2} b^{2} c^{5} d -8 B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{3} b \,c^{5} d +8 A \,x^{2} a^{3} b \,c^{3} d^{3}-6 A \,x^{2} a^{2} b^{2} c^{4} d^{2}-8 B \,x^{2} a^{3} b \,c^{3} d^{3}+7 B \,x^{2} a^{2} b^{2} c^{4} d^{2}-2 A \,x^{2} a^{4} c^{2} d^{4}+B \,x^{2} a^{4} c^{2} d^{4}+2 B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2} a^{2} b^{2} c^{6}-4 A x \,a^{4} c^{3} d^{3}+4 A \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{2} b^{2} c^{6}+2 B x \,a^{4} c^{3} d^{3}+2 B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{4} c^{4} d^{2}+2 B \,x^{2} \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2} a^{2} b^{2} c^{4} d^{2}+4 A \,x^{2} \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{2} b^{2} c^{4} d^{2}-6 B \,x^{2} \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{2} b^{2} c^{4} d^{2}+4 B x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2} a^{2} b^{2} c^{5} d +8 A x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right ) a^{2} b^{2} c^{5} d}{4 i^{3} g \left (d x +c \right )^{2} \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right ) a^{2} \left (a d -c b \right ) c^{4}}\) | \(563\) |
norman | \(\frac {-\frac {2 A a \,d^{3}-6 A b c \,d^{2}-B a \,d^{3}+7 B b c \,d^{2}}{4 g i \left (a d -c b \right )^{2} d^{2}}-\frac {\left (2 A \,b^{2} c^{2}+B \,a^{2} d^{2}-4 B a b c d \right ) \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )}{2 g i \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}+\frac {\left (2 A b \,d^{2}-3 B b \,d^{2}\right ) x}{2 i g \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right ) d}-\frac {B \,b^{2} c^{2} \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2}}{2 g i \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}-\frac {d^{2} \left (2 A \,b^{2}-3 B \,b^{2}\right ) x^{2} \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )}{2 g i \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}-\frac {d \left (2 A \,b^{2} c -B a b d -2 B \,b^{2} c \right ) x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )}{g i \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}-\frac {b^{2} B \,d^{2} x^{2} \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2}}{2 i g \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}-\frac {d B \,b^{2} c x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2}}{g i \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}}{i^{2} \left (d x +c \right )^{2}}\) | \(578\) |
risch | \(-\frac {A}{2 g \,i^{3} \left (a d -c b \right ) \left (d x +c \right )^{2}}+\frac {A \,b^{2} \ln \left (d x +c \right )}{g \,i^{3} \left (a d -c b \right )^{3}}+\frac {A b}{g \,i^{3} \left (a d -c b \right )^{2} \left (d x +c \right )}-\frac {A \,b^{2} \ln \left (b x +a \right )}{g \,i^{3} \left (a d -c b \right )^{3}}+\frac {3 B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) b^{2}}{2 g \,i^{3} \left (a d -c b \right )^{3}}+\frac {B d \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) b a}{g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )}-\frac {B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) b^{2} c}{g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )}-\frac {B \,d^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) a^{2}}{2 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )^{2}}+\frac {B d \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) a c b}{g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )^{2}}-\frac {B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) c^{2} b^{2}}{2 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )^{2}}-\frac {7 B \,b^{2}}{4 g \,i^{3} \left (a d -c b \right )^{3}}-\frac {3 B d b a}{2 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )}+\frac {3 B \,b^{2} c}{2 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )}+\frac {B \,d^{2} a^{2}}{4 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )^{2}}-\frac {B d a c b}{2 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )^{2}}+\frac {B \,c^{2} b^{2}}{4 g \,i^{3} \left (a d -c b \right )^{3} \left (d x +c \right )^{2}}-\frac {B \,b^{2} \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 g \,i^{3} \left (a d -c b \right )^{3}}\) | \(677\) |
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Time = 0.32 (sec) , antiderivative size = 355, normalized size of antiderivative = 1.46 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=\frac {{\left (6 \, A - 7 \, B\right )} b^{2} c^{2} - 8 \, {\left (A - B\right )} a b c d + {\left (2 \, A - B\right )} a^{2} d^{2} + 2 \, {\left (B b^{2} d^{2} x^{2} + 2 \, B b^{2} c d x + B b^{2} c^{2}\right )} \log \left (\frac {b e x + a e}{d x + c}\right )^{2} + 2 \, {\left ({\left (2 \, A - 3 \, B\right )} b^{2} c d - {\left (2 \, A - 3 \, B\right )} a b d^{2}\right )} x + 2 \, {\left ({\left (2 \, A - 3 \, B\right )} b^{2} d^{2} x^{2} + 2 \, A b^{2} c^{2} - 4 \, B a b c d + B a^{2} d^{2} + 2 \, {\left (2 \, {\left (A - B\right )} b^{2} c d - B a b d^{2}\right )} x\right )} \log \left (\frac {b e x + a e}{d x + c}\right )}{4 \, {\left ({\left (b^{3} c^{3} d^{2} - 3 \, a b^{2} c^{2} d^{3} + 3 \, a^{2} b c d^{4} - a^{3} d^{5}\right )} g i^{3} x^{2} + 2 \, {\left (b^{3} c^{4} d - 3 \, a b^{2} c^{3} d^{2} + 3 \, a^{2} b c^{2} d^{3} - a^{3} c d^{4}\right )} g i^{3} x + {\left (b^{3} c^{5} - 3 \, a b^{2} c^{4} d + 3 \, a^{2} b c^{3} d^{2} - a^{3} c^{2} d^{3}\right )} g i^{3}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 889 vs. \(2 (207) = 414\).
Time = 2.51 (sec) , antiderivative size = 889, normalized size of antiderivative = 3.66 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=- \frac {B b^{2} \log {\left (\frac {e \left (a + b x\right )}{c + d x} \right )}^{2}}{2 a^{3} d^{3} g i^{3} - 6 a^{2} b c d^{2} g i^{3} + 6 a b^{2} c^{2} d g i^{3} - 2 b^{3} c^{3} g i^{3}} + \frac {b^{2} \cdot \left (2 A - 3 B\right ) \log {\left (x + \frac {2 A a b^{2} d + 2 A b^{3} c - 3 B a b^{2} d - 3 B b^{3} c - \frac {a^{4} b^{2} d^{4} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} + \frac {4 a^{3} b^{3} c d^{3} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} - \frac {6 a^{2} b^{4} c^{2} d^{2} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} + \frac {4 a b^{5} c^{3} d \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} - \frac {b^{6} c^{4} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}}}{4 A b^{3} d - 6 B b^{3} d} \right )}}{2 g i^{3} \left (a d - b c\right )^{3}} - \frac {b^{2} \cdot \left (2 A - 3 B\right ) \log {\left (x + \frac {2 A a b^{2} d + 2 A b^{3} c - 3 B a b^{2} d - 3 B b^{3} c + \frac {a^{4} b^{2} d^{4} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} - \frac {4 a^{3} b^{3} c d^{3} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} + \frac {6 a^{2} b^{4} c^{2} d^{2} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} - \frac {4 a b^{5} c^{3} d \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}} + \frac {b^{6} c^{4} \cdot \left (2 A - 3 B\right )}{\left (a d - b c\right )^{3}}}{4 A b^{3} d - 6 B b^{3} d} \right )}}{2 g i^{3} \left (a d - b c\right )^{3}} + \frac {\left (- B a d + 3 B b c + 2 B b d x\right ) \log {\left (\frac {e \left (a + b x\right )}{c + d x} \right )}}{2 a^{2} c^{2} d^{2} g i^{3} + 4 a^{2} c d^{3} g i^{3} x + 2 a^{2} d^{4} g i^{3} x^{2} - 4 a b c^{3} d g i^{3} - 8 a b c^{2} d^{2} g i^{3} x - 4 a b c d^{3} g i^{3} x^{2} + 2 b^{2} c^{4} g i^{3} + 4 b^{2} c^{3} d g i^{3} x + 2 b^{2} c^{2} d^{2} g i^{3} x^{2}} + \frac {- 2 A a d + 6 A b c + B a d - 7 B b c + x \left (4 A b d - 6 B b d\right )}{4 a^{2} c^{2} d^{2} g i^{3} - 8 a b c^{3} d g i^{3} + 4 b^{2} c^{4} g i^{3} + x^{2} \cdot \left (4 a^{2} d^{4} g i^{3} - 8 a b c d^{3} g i^{3} + 4 b^{2} c^{2} d^{2} g i^{3}\right ) + x \left (8 a^{2} c d^{3} g i^{3} - 16 a b c^{2} d^{2} g i^{3} + 8 b^{2} c^{3} d g i^{3}\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 885 vs. \(2 (237) = 474\).
Time = 0.26 (sec) , antiderivative size = 885, normalized size of antiderivative = 3.64 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=\frac {1}{2} \, B {\left (\frac {2 \, b d x + 3 \, b c - a d}{{\left (b^{2} c^{2} d^{2} - 2 \, a b c d^{3} + a^{2} d^{4}\right )} g i^{3} x^{2} + 2 \, {\left (b^{2} c^{3} d - 2 \, a b c^{2} d^{2} + a^{2} c d^{3}\right )} g i^{3} x + {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2}\right )} g i^{3}} + \frac {2 \, b^{2} \log \left (b x + a\right )}{{\left (b^{3} c^{3} - 3 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} - a^{3} d^{3}\right )} g i^{3}} - \frac {2 \, b^{2} \log \left (d x + c\right )}{{\left (b^{3} c^{3} - 3 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} - a^{3} d^{3}\right )} g i^{3}}\right )} \log \left (\frac {b e x}{d x + c} + \frac {a e}{d x + c}\right ) + \frac {1}{2} \, A {\left (\frac {2 \, b d x + 3 \, b c - a d}{{\left (b^{2} c^{2} d^{2} - 2 \, a b c d^{3} + a^{2} d^{4}\right )} g i^{3} x^{2} + 2 \, {\left (b^{2} c^{3} d - 2 \, a b c^{2} d^{2} + a^{2} c d^{3}\right )} g i^{3} x + {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2}\right )} g i^{3}} + \frac {2 \, b^{2} \log \left (b x + a\right )}{{\left (b^{3} c^{3} - 3 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} - a^{3} d^{3}\right )} g i^{3}} - \frac {2 \, b^{2} \log \left (d x + c\right )}{{\left (b^{3} c^{3} - 3 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} - a^{3} d^{3}\right )} g i^{3}}\right )} - \frac {{\left (7 \, b^{2} c^{2} - 8 \, a b c d + a^{2} d^{2} + 2 \, {\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2}\right )} \log \left (b x + a\right )^{2} + 2 \, {\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2}\right )} \log \left (d x + c\right )^{2} + 6 \, {\left (b^{2} c d - a b d^{2}\right )} x + 6 \, {\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2}\right )} \log \left (b x + a\right ) - 2 \, {\left (3 \, b^{2} d^{2} x^{2} + 6 \, b^{2} c d x + 3 \, b^{2} c^{2} + 2 \, {\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2}\right )} \log \left (b x + a\right )\right )} \log \left (d x + c\right )\right )} B}{4 \, {\left (b^{3} c^{5} g i^{3} - 3 \, a b^{2} c^{4} d g i^{3} + 3 \, a^{2} b c^{3} d^{2} g i^{3} - a^{3} c^{2} d^{3} g i^{3} + {\left (b^{3} c^{3} d^{2} g i^{3} - 3 \, a b^{2} c^{2} d^{3} g i^{3} + 3 \, a^{2} b c d^{4} g i^{3} - a^{3} d^{5} g i^{3}\right )} x^{2} + 2 \, {\left (b^{3} c^{4} d g i^{3} - 3 \, a b^{2} c^{3} d^{2} g i^{3} + 3 \, a^{2} b c^{2} d^{3} g i^{3} - a^{3} c d^{4} g i^{3}\right )} x\right )}} \]
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Time = 0.41 (sec) , antiderivative size = 442, normalized size of antiderivative = 1.82 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=\frac {1}{4} \, {\left (\frac {2 \, B b^{2} e \log \left (\frac {b e x + a e}{d x + c}\right )^{2}}{b^{2} c^{2} g i^{3} - 2 \, a b c d g i^{3} + a^{2} d^{2} g i^{3}} + \frac {4 \, A b^{2} e \log \left (\frac {b e x + a e}{d x + c}\right )}{b^{2} c^{2} g i^{3} - 2 \, a b c d g i^{3} + a^{2} d^{2} g i^{3}} - 2 \, {\left (\frac {4 \, {\left (b e x + a e\right )} B b d}{{\left (b^{2} c^{2} g i^{3} - 2 \, a b c d g i^{3} + a^{2} d^{2} g i^{3}\right )} {\left (d x + c\right )}} - \frac {{\left (b e x + a e\right )}^{2} B d^{2}}{{\left (b^{2} c^{2} e g i^{3} - 2 \, a b c d e g i^{3} + a^{2} d^{2} e g i^{3}\right )} {\left (d x + c\right )}^{2}}\right )} \log \left (\frac {b e x + a e}{d x + c}\right ) + \frac {{\left (2 \, A d^{2} - B d^{2}\right )} {\left (b e x + a e\right )}^{2}}{{\left (b^{2} c^{2} e g i^{3} - 2 \, a b c d e g i^{3} + a^{2} d^{2} e g i^{3}\right )} {\left (d x + c\right )}^{2}} - \frac {8 \, {\left (A b d - B b d\right )} {\left (b e x + a e\right )}}{{\left (b^{2} c^{2} g i^{3} - 2 \, a b c d g i^{3} + a^{2} d^{2} g i^{3}\right )} {\left (d x + c\right )}}\right )} {\left (\frac {b c}{{\left (b c e - a d e\right )} {\left (b c - a d\right )}} - \frac {a d}{{\left (b c e - a d e\right )} {\left (b c - a d\right )}}\right )} \]
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Time = 3.61 (sec) , antiderivative size = 545, normalized size of antiderivative = 2.24 \[ \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a g+b g x) (c i+d i x)^3} \, dx=\frac {3\,A\,b\,c}{2\,g\,i^3\,{\left (a\,d-b\,c\right )}^2\,{\left (c+d\,x\right )}^2}-\frac {A\,a\,d}{2\,g\,i^3\,{\left (a\,d-b\,c\right )}^2\,{\left (c+d\,x\right )}^2}-\frac {B\,b^2\,{\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}^2}{2\,g\,i^3\,{\left (a\,d-b\,c\right )}^3}+\frac {B\,a\,d}{4\,g\,i^3\,{\left (a\,d-b\,c\right )}^2\,{\left (c+d\,x\right )}^2}-\frac {7\,B\,b\,c}{4\,g\,i^3\,{\left (a\,d-b\,c\right )}^2\,{\left (c+d\,x\right )}^2}-\frac {B\,a^2\,d^2\,\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}{2\,g\,i^3\,{\left (a\,d-b\,c\right )}^3\,{\left (c+d\,x\right )}^2}-\frac {3\,B\,b^2\,c^2\,\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}{2\,g\,i^3\,{\left (a\,d-b\,c\right )}^3\,{\left (c+d\,x\right )}^2}+\frac {A\,b\,d\,x}{g\,i^3\,{\left (a\,d-b\,c\right )}^2\,{\left (c+d\,x\right )}^2}-\frac {3\,B\,b\,d\,x}{2\,g\,i^3\,{\left (a\,d-b\,c\right )}^2\,{\left (c+d\,x\right )}^2}+\frac {B\,a\,b\,d^2\,x\,\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}{g\,i^3\,{\left (a\,d-b\,c\right )}^3\,{\left (c+d\,x\right )}^2}-\frac {B\,b^2\,c\,d\,x\,\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}{g\,i^3\,{\left (a\,d-b\,c\right )}^3\,{\left (c+d\,x\right )}^2}+\frac {2\,B\,a\,b\,c\,d\,\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}{g\,i^3\,{\left (a\,d-b\,c\right )}^3\,{\left (c+d\,x\right )}^2}+\frac {A\,b^2\,\mathrm {atan}\left (\frac {a\,d\,1{}\mathrm {i}+b\,c\,1{}\mathrm {i}+b\,d\,x\,2{}\mathrm {i}}{a\,d-b\,c}\right )\,2{}\mathrm {i}}{g\,i^3\,{\left (a\,d-b\,c\right )}^3}-\frac {B\,b^2\,\mathrm {atan}\left (\frac {a\,d\,1{}\mathrm {i}+b\,c\,1{}\mathrm {i}+b\,d\,x\,2{}\mathrm {i}}{a\,d-b\,c}\right )\,3{}\mathrm {i}}{g\,i^3\,{\left (a\,d-b\,c\right )}^3} \]
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