74.22 Problem number 317

\[ \int \frac {1}{x \csc ^{\frac {3}{2}}\left (a+b \log \left (c x^n\right )\right )} \, dx \]

Optimal antiderivative \[ -\frac {2 \cos \left (a +b \ln \left (c \,x^{n}\right )\right )}{3 b n \sqrt {\csc \left (a +b \ln \left (c \,x^{n}\right )\right )}}-\frac {2 \sqrt {\frac {1}{2}+\frac {\sin \left (a +b \ln \left (c \,x^{n}\right )\right )}{2}}\, \EllipticF \left (\cos \left (\frac {a}{2}+\frac {\pi }{4}+\frac {b \ln \left (c \,x^{n}\right )}{2}\right ), \sqrt {2}\right ) \left (\sqrt {\csc }\left (a +b \ln \left (c \,x^{n}\right )\right )\right ) \left (\sqrt {\sin }\left (a +b \ln \left (c \,x^{n}\right )\right )\right )}{3 \sin \left (\frac {a}{2}+\frac {\pi }{4}+\frac {b \ln \left (c \,x^{n}\right )}{2}\right ) b n} \]

command

integrate(1/x/csc(a+b*log(c*x^n))^(3/2),x, algorithm="fricas")

Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output

\[ -\frac {2 \, \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) \sqrt {\sin \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )} + i \, \sqrt {2 i} {\rm weierstrassPInverse}\left (4, 0, \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) + i \, \sin \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )\right ) - i \, \sqrt {-2 i} {\rm weierstrassPInverse}\left (4, 0, \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) - i \, \sin \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )\right )}{3 \, b n} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {1}{x \csc \left (b \log \left (c x^{n}\right ) + a\right )^{\frac {3}{2}}}, x\right ) \]