8.1 Problem number 249

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

Optimal antiderivative \[ \frac {\sinh \! \left (a +b \ln \! \left (c \,x^{n}\right )\right )}{b n}+\frac {\sinh ^{3}\left (a +b \ln \! \left (c \,x^{n}\right )\right )}{3 b n} \]

command

int(cosh(a+b*ln(c*x^n))^3/x,x)

Maple 2022.1 output

\[\int \frac {\cosh ^{3}\left (a +b \ln \left (c \,x^{n}\right )\right )}{x}\, dx\]

Maple 2021.1 output

\[ \frac {\left (\frac {2}{3}+\frac {\left (\cosh ^{2}\left (a +b \ln \left (c \,x^{n}\right )\right )\right )}{3}\right ) \sinh \left (a +b \ln \left (c \,x^{n}\right )\right )}{n b} \]