Optimal. Leaf size=173 \[ -\frac {b B (c+d x)}{(b c-a d)^2 g^2 i (a+b x)}+\frac {B d \log ^2\left (\frac {a+b x}{c+d x}\right )}{2 (b c-a d)^2 g^2 i}-\frac {b (c+d x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^2 g^2 i (a+b x)}-\frac {d \log \left (\frac {a+b x}{c+d x}\right ) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{(b c-a d)^2 g^2 i} \]
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Rubi [A]
time = 0.12, antiderivative size = 173, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 40, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2562, 45, 2372,
14, 2338} \begin {gather*} -\frac {d \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^2 i (b c-a d)^2}-\frac {b (c+d x) \left (B \log \left (\frac {e (a+b x)}{c+d x}\right )+A\right )}{g^2 i (a+b x) (b c-a d)^2}-\frac {b B (c+d x)}{g^2 i (a+b x) (b c-a d)^2}+\frac {B d \log ^2\left (\frac {a+b x}{c+d x}\right )}{2 g^2 i (b c-a d)^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 14
Rule 45
Rule 2338
Rule 2372
Rule 2562
Rubi steps
\begin {align*} \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(36 c+36 d x) (a g+b g x)^2} \, dx &=\int \left (\frac {b \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d) g^2 (a+b x)^2}-\frac {b d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2 (a+b x)}+\frac {d^2 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2 (c+d x)}\right ) \, dx\\ &=-\frac {(b d) \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{a+b x} \, dx}{36 (b c-a d)^2 g^2}+\frac {d^2 \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{c+d x} \, dx}{36 (b c-a d)^2 g^2}+\frac {b \int \frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{(a+b x)^2} \, dx}{36 (b c-a d) g^2}\\ &=-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {(B d) \int \frac {(c+d x) \left (-\frac {d e (a+b x)}{(c+d x)^2}+\frac {b e}{c+d x}\right ) \log (a+b x)}{e (a+b x)} \, dx}{36 (b c-a d)^2 g^2}-\frac {(B d) \int \frac {(c+d x) \left (-\frac {d e (a+b x)}{(c+d x)^2}+\frac {b e}{c+d x}\right ) \log (c+d x)}{e (a+b x)} \, dx}{36 (b c-a d)^2 g^2}+\frac {B \int \frac {b c-a d}{(a+b x)^2 (c+d x)} \, dx}{36 (b c-a d) g^2}\\ &=-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {B \int \frac {1}{(a+b x)^2 (c+d x)} \, dx}{36 g^2}+\frac {(B d) \int \frac {(c+d x) \left (-\frac {d e (a+b x)}{(c+d x)^2}+\frac {b e}{c+d x}\right ) \log (a+b x)}{a+b x} \, dx}{36 (b c-a d)^2 e g^2}-\frac {(B d) \int \frac {(c+d x) \left (-\frac {d e (a+b x)}{(c+d x)^2}+\frac {b e}{c+d x}\right ) \log (c+d x)}{a+b x} \, dx}{36 (b c-a d)^2 e g^2}\\ &=-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {B \int \left (\frac {b}{(b c-a d) (a+b x)^2}-\frac {b d}{(b c-a d)^2 (a+b x)}+\frac {d^2}{(b c-a d)^2 (c+d x)}\right ) \, dx}{36 g^2}+\frac {(B d) \int \left (\frac {b e \log (a+b x)}{a+b x}-\frac {d e \log (a+b x)}{c+d x}\right ) \, dx}{36 (b c-a d)^2 e g^2}-\frac {(B d) \int \left (\frac {b e \log (c+d x)}{a+b x}-\frac {d e \log (c+d x)}{c+d x}\right ) \, dx}{36 (b c-a d)^2 e g^2}\\ &=-\frac {B}{36 (b c-a d) g^2 (a+b x)}-\frac {B d \log (a+b x)}{36 (b c-a d)^2 g^2}-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {B d \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {(b B d) \int \frac {\log (a+b x)}{a+b x} \, dx}{36 (b c-a d)^2 g^2}-\frac {(b B d) \int \frac {\log (c+d x)}{a+b x} \, dx}{36 (b c-a d)^2 g^2}-\frac {\left (B d^2\right ) \int \frac {\log (a+b x)}{c+d x} \, dx}{36 (b c-a d)^2 g^2}+\frac {\left (B d^2\right ) \int \frac {\log (c+d x)}{c+d x} \, dx}{36 (b c-a d)^2 g^2}\\ &=-\frac {B}{36 (b c-a d) g^2 (a+b x)}-\frac {B d \log (a+b x)}{36 (b c-a d)^2 g^2}-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {B d \log (c+d x)}{36 (b c-a d)^2 g^2}-\frac {B d \log \left (-\frac {d (a+b x)}{b c-a d}\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}-\frac {B d \log (a+b x) \log \left (\frac {b (c+d x)}{b c-a d}\right )}{36 (b c-a d)^2 g^2}+\frac {(B d) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,a+b x\right )}{36 (b c-a d)^2 g^2}+\frac {(B d) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,c+d x\right )}{36 (b c-a d)^2 g^2}+\frac {(b B d) \int \frac {\log \left (\frac {b (c+d x)}{b c-a d}\right )}{a+b x} \, dx}{36 (b c-a d)^2 g^2}+\frac {\left (B d^2\right ) \int \frac {\log \left (\frac {d (a+b x)}{-b c+a d}\right )}{c+d x} \, dx}{36 (b c-a d)^2 g^2}\\ &=-\frac {B}{36 (b c-a d) g^2 (a+b x)}-\frac {B d \log (a+b x)}{36 (b c-a d)^2 g^2}+\frac {B d \log ^2(a+b x)}{72 (b c-a d)^2 g^2}-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {B d \log (c+d x)}{36 (b c-a d)^2 g^2}-\frac {B d \log \left (-\frac {d (a+b x)}{b c-a d}\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {B d \log ^2(c+d x)}{72 (b c-a d)^2 g^2}-\frac {B d \log (a+b x) \log \left (\frac {b (c+d x)}{b c-a d}\right )}{36 (b c-a d)^2 g^2}+\frac {(B d) \text {Subst}\left (\int \frac {\log \left (1+\frac {d x}{b c-a d}\right )}{x} \, dx,x,a+b x\right )}{36 (b c-a d)^2 g^2}+\frac {(B d) \text {Subst}\left (\int \frac {\log \left (1+\frac {b x}{-b c+a d}\right )}{x} \, dx,x,c+d x\right )}{36 (b c-a d)^2 g^2}\\ &=-\frac {B}{36 (b c-a d) g^2 (a+b x)}-\frac {B d \log (a+b x)}{36 (b c-a d)^2 g^2}+\frac {B d \log ^2(a+b x)}{72 (b c-a d)^2 g^2}-\frac {A+B \log \left (\frac {e (a+b x)}{c+d x}\right )}{36 (b c-a d) g^2 (a+b x)}-\frac {d \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )}{36 (b c-a d)^2 g^2}+\frac {B d \log (c+d x)}{36 (b c-a d)^2 g^2}-\frac {B d \log \left (-\frac {d (a+b x)}{b c-a d}\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {d \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)}{36 (b c-a d)^2 g^2}+\frac {B d \log ^2(c+d x)}{72 (b c-a d)^2 g^2}-\frac {B d \log (a+b x) \log \left (\frac {b (c+d x)}{b c-a d}\right )}{36 (b c-a d)^2 g^2}-\frac {B d \text {Li}_2\left (-\frac {d (a+b x)}{b c-a d}\right )}{36 (b c-a d)^2 g^2}-\frac {B d \text {Li}_2\left (\frac {b (c+d x)}{b c-a d}\right )}{36 (b c-a d)^2 g^2}\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 4 vs. order 3 in
optimal.
time = 0.21, size = 292, normalized size = 1.69 \begin {gather*} -\frac {2 (b c-a d) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )+2 d (a+b x) \log (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )-2 d (a+b x) \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right ) \log (c+d x)+2 B (b c-a d+d (a+b x) \log (a+b x)-d (a+b x) \log (c+d x))-B d (a+b x) \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 \text {Li}_2\left (\frac {d (a+b x)}{-b c+a d}\right )\right )+B d (a+b x) \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 \text {Li}_2\left (\frac {b (c+d x)}{b c-a d}\right )\right )}{2 (b c-a d)^2 g^2 i (a+b x)} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.62, size = 288, normalized size = 1.66
method | result | size |
norman | \(\frac {-\frac {\left (A a d +B b c \right ) \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )}{g i \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}-\frac {B a d \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2}}{2 g i \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}-\frac {b \left (A d +B d \right ) x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )}{g i \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}-\frac {\left (A +B \right ) b x}{g i a \left (a d -c b \right )}-\frac {b B d x \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )^{2}}{2 g i \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}}{g \left (b x +a \right )}\) | \(252\) |
risch | \(\frac {A d \ln \left (d x +c \right )}{g^{2} i \left (a d -c b \right )^{2}}+\frac {A}{g^{2} i \left (a d -c b \right ) \left (b x +a \right )}-\frac {A d \ln \left (b x +a \right )}{g^{2} i \left (a d -c b \right )^{2}}-\frac {B d \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 g^{2} i \left (a d -c b \right )^{2}}-\frac {B b e \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{g^{2} i \left (a d -c b \right )^{2} \left (\frac {b e}{d}+\frac {e a}{d x +c}-\frac {e c b}{d \left (d x +c \right )}\right )}-\frac {B b e}{g^{2} i \left (a d -c b \right )^{2} \left (\frac {b e}{d}+\frac {e a}{d x +c}-\frac {e c b}{d \left (d x +c \right )}\right )}\) | \(266\) |
derivativedivides | \(-\frac {e \left (a d -c b \right ) \left (\frac {d^{2} A b}{i \left (a d -c b \right )^{3} g^{2} \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}+\frac {d^{3} A \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{e i \left (a d -c b \right )^{3} g^{2}}-\frac {d^{2} B b \left (-\frac {\ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}}-\frac {1}{\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}}\right )}{i \left (a d -c b \right )^{3} g^{2}}+\frac {d^{3} B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 e i \left (a d -c b \right )^{3} g^{2}}\right )}{d^{2}}\) | \(288\) |
default | \(-\frac {e \left (a d -c b \right ) \left (\frac {d^{2} A b}{i \left (a d -c b \right )^{3} g^{2} \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}+\frac {d^{3} A \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{e i \left (a d -c b \right )^{3} g^{2}}-\frac {d^{2} B b \left (-\frac {\ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )}{\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}}-\frac {1}{\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}}\right )}{i \left (a d -c b \right )^{3} g^{2}}+\frac {d^{3} B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2}}{2 e i \left (a d -c b \right )^{3} g^{2}}\right )}{d^{2}}\) | \(288\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Both result and optimal contain complex but leaf count of result is larger than
twice the leaf count of optimal. 423 vs. \(2 (161) = 322\).
time = 0.33, size = 423, normalized size = 2.45 \begin {gather*} B {\left (\frac {1}{{\left (-i \, b^{2} c + i \, a b d\right )} g^{2} x + {\left (-i \, a b c + i \, a^{2} d\right )} g^{2}} - \frac {d \log \left (b x + a\right )}{{\left (i \, b^{2} c^{2} - 2 i \, a b c d + i \, a^{2} d^{2}\right )} g^{2}} + \frac {d \log \left (d x + c\right )}{{\left (i \, b^{2} c^{2} - 2 i \, a b c d + i \, a^{2} d^{2}\right )} g^{2}}\right )} \log \left (\frac {b x e}{d x + c} + \frac {a e}{d x + c}\right ) + A {\left (\frac {1}{{\left (-i \, b^{2} c + i \, a b d\right )} g^{2} x + {\left (-i \, a b c + i \, a^{2} d\right )} g^{2}} - \frac {d \log \left (b x + a\right )}{{\left (i \, b^{2} c^{2} - 2 i \, a b c d + i \, a^{2} d^{2}\right )} g^{2}} + \frac {d \log \left (d x + c\right )}{{\left (i \, b^{2} c^{2} - 2 i \, a b c d + i \, a^{2} d^{2}\right )} g^{2}}\right )} - \frac {{\left ({\left (i \, b d x + i \, a d\right )} \log \left (b x + a\right )^{2} + {\left (i \, b d x + i \, a d\right )} \log \left (d x + c\right )^{2} - 2 i \, b c + 2 i \, a d - 2 \, {\left (i \, b d x + i \, a d\right )} \log \left (b x + a\right ) - 2 \, {\left (-i \, b d x - i \, a d + {\left (i \, b d x + i \, a d\right )} \log \left (b x + a\right )\right )} \log \left (d x + c\right )\right )} B}{2 \, {\left (a b^{2} c^{2} g^{2} - 2 \, a^{2} b c d g^{2} + a^{3} d^{2} g^{2} + {\left (b^{3} c^{2} g^{2} - 2 \, a b^{2} c d g^{2} + a^{2} b d^{2} g^{2}\right )} x\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.41, size = 157, normalized size = 0.91 \begin {gather*} -\frac {2 \, {\left (-i \, A - i \, B\right )} b c + 2 \, {\left (i \, A + i \, B\right )} a d - {\left (i \, B b d x + i \, B a d\right )} \log \left (\frac {{\left (b x + a\right )} e}{d x + c}\right )^{2} + 2 \, {\left ({\left (-i \, A - i \, B\right )} b d x - i \, B b c - i \, A a d\right )} \log \left (\frac {{\left (b x + a\right )} e}{d x + c}\right )}{2 \, {\left ({\left (b^{3} c^{2} - 2 \, a b^{2} c d + a^{2} b d^{2}\right )} g^{2} x + {\left (a b^{2} c^{2} - 2 \, a^{2} b c d + a^{3} d^{2}\right )} g^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 386 vs.
\(2 (144) = 288\).
time = 0.73, size = 386, normalized size = 2.23 \begin {gather*} - \frac {B d \log {\left (\frac {e \left (a + b x\right )}{c + d x} \right )}^{2}}{2 a^{2} d^{2} g^{2} i - 4 a b c d g^{2} i + 2 b^{2} c^{2} g^{2} i} + \frac {B \log {\left (\frac {e \left (a + b x\right )}{c + d x} \right )}}{a^{2} d g^{2} i - a b c g^{2} i + a b d g^{2} i x - b^{2} c g^{2} i x} + \left (A + B\right ) \left (\frac {d \log {\left (x + \frac {- \frac {a^{3} d^{4}}{\left (a d - b c\right )^{2}} + \frac {3 a^{2} b c d^{3}}{\left (a d - b c\right )^{2}} - \frac {3 a b^{2} c^{2} d^{2}}{\left (a d - b c\right )^{2}} + a d^{2} + \frac {b^{3} c^{3} d}{\left (a d - b c\right )^{2}} + b c d}{2 b d^{2}} \right )}}{g^{2} i \left (a d - b c\right )^{2}} - \frac {d \log {\left (x + \frac {\frac {a^{3} d^{4}}{\left (a d - b c\right )^{2}} - \frac {3 a^{2} b c d^{3}}{\left (a d - b c\right )^{2}} + \frac {3 a b^{2} c^{2} d^{2}}{\left (a d - b c\right )^{2}} + a d^{2} - \frac {b^{3} c^{3} d}{\left (a d - b c\right )^{2}} + b c d}{2 b d^{2}} \right )}}{g^{2} i \left (a d - b c\right )^{2}} + \frac {1}{a^{2} d g^{2} i - a b c g^{2} i + x \left (a b d g^{2} i - b^{2} c g^{2} i\right )}\right ) \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 [B]
time = 5.84, size = 241, normalized size = 1.39 \begin {gather*} \frac {A+B}{\left (a\,d-b\,c\right )\,\left (a\,g^2\,i+b\,g^2\,i\,x\right )}-\frac {B\,d\,{\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )}^2}{2\,g^2\,i\,\left (a^2\,d^2-2\,a\,b\,c\,d+b^2\,c^2\right )}+\frac {B\,\ln \left (\frac {e\,\left (a+b\,x\right )}{c+d\,x}\right )\,\left (a\,d-b\,c\right )}{b\,d\,g^2\,i\,\left (\frac {x}{d}+\frac {a}{b\,d}\right )\,\left (a^2\,d^2-2\,a\,b\,c\,d+b^2\,c^2\right )}+\frac {d\,\mathrm {atan}\left (\frac {\left (2\,b\,d\,x+\frac {a^2\,d^2\,g^2\,i-b^2\,c^2\,g^2\,i}{g^2\,i\,\left (a\,d-b\,c\right )}\right )\,1{}\mathrm {i}}{a\,d-b\,c}\right )\,\left (A+B\right )\,2{}\mathrm {i}}{g^2\,i\,{\left (a\,d-b\,c\right )}^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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