38.35 Problem number 561

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

Optimal antiderivative \[ \frac {2}{3 \sqrt {\frac {a x -1}{a x +1}}\, a \,c^{2}}-\frac {-2 a x +1}{3 \sqrt {\frac {a x -1}{a x +1}}\, a \,c^{2} \left (-a^{2} x^{2}+1\right )} \]

command

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

Giac 1.9.0-11 via sagemath 9.6 output

\[ \text {could not integrate} \]

Giac 1.7.0 via sagemath 9.3 output

\[ \frac {\frac {{\left (a x + 1\right )} {\left (\frac {6 \, {\left (a x - 1\right )}}{a x + 1} - 1\right )}}{{\left (a x - 1\right )} \sqrt {\frac {a x - 1}{a x + 1}}} + 3 \, \sqrt {\frac {a x - 1}{a x + 1}}}{12 \, a c^{2}} \]