62.14 Problem number 675

\[ \int (e \cos (c+d x))^{3/2} \sqrt {a+i a \tan (c+d x)} \, dx \]

Optimal antiderivative \[ \frac {4 i a e \sec \left (d x +c \right ) \sqrt {e \cos \left (d x +c \right )}}{3 d \sqrt {a +i a \tan \left (d x +c \right )}}-\frac {2 i \left (e \cos \left (d x +c \right )\right )^{\frac {3}{2}} \sqrt {a +i a \tan \left (d x +c \right )}}{3 d} \]

command

integrate((e*cos(d*x+c))^(3/2)*(a+I*a*tan(d*x+c))^(1/2),x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

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

Giac 1.7.0 via sagemath 9.3 output

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