15.4 Problem number 118

\[ \int \frac {1}{(a g+b g x)^3 \left (A+B \log \left (\frac {e (a+b x)}{c+d x}\right )\right )^2} \, dx \]

Optimal antiderivative \[ -\frac {2 b \,e^{2} {\mathrm e}^{\frac {2 A}{B}} \expIntegral \left (-\frac {2 \left (A +B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )\right )}{B}\right )}{B^{2} \left (-a d +b c \right )^{2} g^{3}}+\frac {d e \,{\mathrm e}^{\frac {A}{B}} \expIntegral \left (\frac {-A -B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )}{B}\right )}{B^{2} \left (-a d +b c \right )^{2} g^{3}}+\frac {d \left (d x +c \right )}{B \left (-a d +b c \right )^{2} g^{3} \left (b x +a \right ) \left (A +B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )\right )}-\frac {b \left (d x +c \right )^{2}}{B \left (-a d +b c \right )^{2} g^{3} \left (b x +a \right )^{2} \left (A +B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )\right )} \]

command

int(1/(b*g*x+a*g)^3/(A+B*ln(e*(b*x+a)/(d*x+c)))^2,x,method=_RETURNVERBOSE)

Maple 2022.1 output

method result size
risch \(\frac {d x +c}{\left (a d -c b \right ) B \left (b x +a \right )^{2} g^{3} \left (A +B \ln \left (\frac {e \left (b x +a \right )}{d x +c}\right )\right )}-\frac {e d \,{\mathrm e}^{\frac {A}{B}} \expIntegral \left (1, \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )+\frac {A}{B}\right )}{g^{3} B^{2} \left (a d -c b \right )^{2}}+\frac {2 e^{2} b \,{\mathrm e}^{\frac {2 A}{B}} \expIntegral \left (1, 2 \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )+\frac {2 A}{B}\right )}{g^{3} B^{2} \left (a d -c b \right )^{2}}\) \(182\)
derivativedivides \(\frac {e \left (-d \left (-\frac {1}{\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) B \left (A +B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )\right )}+\frac {{\mathrm e}^{\frac {A}{B}} \expIntegral \left (1, \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )+\frac {A}{B}\right )}{B^{2}}\right )+b e \left (-\frac {1}{\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2} B \left (A +B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )\right )}+\frac {2 \,{\mathrm e}^{\frac {2 A}{B}} \expIntegral \left (1, 2 \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )+\frac {2 A}{B}\right )}{B^{2}}\right )\right )}{\left (a d -c b \right )^{2} g^{3}}\) \(258\)
default \(\frac {e \left (-d \left (-\frac {1}{\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right ) B \left (A +B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )\right )}+\frac {{\mathrm e}^{\frac {A}{B}} \expIntegral \left (1, \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )+\frac {A}{B}\right )}{B^{2}}\right )+b e \left (-\frac {1}{\left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )^{2} B \left (A +B \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )\right )}+\frac {2 \,{\mathrm e}^{\frac {2 A}{B}} \expIntegral \left (1, 2 \ln \left (\frac {b e}{d}+\frac {\left (a d -c b \right ) e}{d \left (d x +c \right )}\right )+\frac {2 A}{B}\right )}{B^{2}}\right )\right )}{\left (a d -c b \right )^{2} g^{3}}\) \(258\)

Maple 2021.1 output

\[ \int \frac {1}{\left (b g x +a g \right )^{3} \left (B \ln \left (\frac {\left (b x +a \right ) e}{d x +c}\right )+A \right )^{2}}\, dx \]________________________________________________________________________________________