14.77 Problem number 892

\[ \int \frac {1}{(d+e x)^{3/2} \left (c d^2-c e^2 x^2\right )^{3/2}} \, dx \]

Optimal antiderivative \[ -\frac {15 \arctanh \left (\frac {\sqrt {-c \,e^{2} x^{2}+c \,d^{2}}\, \sqrt {2}}{2 \sqrt {c}\, \sqrt {d}\, \sqrt {e x +d}}\right ) \sqrt {2}}{64 c^{\frac {3}{2}} d^{\frac {7}{2}} e}-\frac {1}{4 c d e \left (e x +d \right )^{\frac {3}{2}} \sqrt {-c \,e^{2} x^{2}+c \,d^{2}}}-\frac {5}{16 c \,d^{2} e \sqrt {e x +d}\, \sqrt {-c \,e^{2} x^{2}+c \,d^{2}}}+\frac {15 \sqrt {e x +d}}{32 c \,d^{3} e \sqrt {-c \,e^{2} x^{2}+c \,d^{2}}} \]

command

integrate(1/(e*x+d)^(3/2)/(-c*e^2*x^2+c*d^2)^(3/2),x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

\[ \frac {15 \, \sqrt {2} \arctan \left (\frac {\sqrt {2} \sqrt {-{\left (x e + d\right )} c + 2 \, c d}}{2 \, \sqrt {-c d}}\right ) e^{\left (-1\right )}}{64 \, \sqrt {-c d} c d^{3}} + \frac {e^{\left (-1\right )}}{4 \, \sqrt {-{\left (x e + d\right )} c + 2 \, c d} c d^{3}} - \frac {{\left (18 \, \sqrt {-{\left (x e + d\right )} c + 2 \, c d} c d - 7 \, {\left (-{\left (x e + d\right )} c + 2 \, c d\right )}^{\frac {3}{2}}\right )} e^{\left (-1\right )}}{32 \, {\left (x e + d\right )}^{2} c^{3} d^{3}} \]

Giac 1.7.0 via sagemath 9.3 output

\[ \mathit {sage}_{0} x \]________________________________________________________________________________________