14.216 Problem number 2005

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

Optimal antiderivative \[ -\frac {2 \arctanh \left (\frac {\sqrt {c}\, \sqrt {d}\, \sqrt {e x +d}}{\sqrt {-a \,e^{2}+c \,d^{2}}}\right ) \sqrt {c}\, \sqrt {d}}{\left (-a \,e^{2}+c \,d^{2}\right )^{\frac {3}{2}}}+\frac {2}{\left (-a \,e^{2}+c \,d^{2}\right ) \sqrt {e x +d}} \]

command

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

Giac 1.9.0-11 via sagemath 9.6 output

\[ \frac {2 \, c d \arctan \left (\frac {\sqrt {x e + d} c d}{\sqrt {-c^{2} d^{3} + a c d e^{2}}}\right )}{\sqrt {-c^{2} d^{3} + a c d e^{2}} {\left (c d^{2} - a e^{2}\right )}} + \frac {2}{{\left (c d^{2} - a e^{2}\right )} \sqrt {x e + d}} \]

Giac 1.7.0 via sagemath 9.3 output

\[ \text {Exception raised: NotImplementedError} \]________________________________________________________________________________________