\[ \int \frac {(a+b \sec (d+e x)+c \tan (d+e x))^{3/2}}{\sec ^{\frac {3}{2}}(d+e x)} \, dx \]
Optimal antiderivative \[ -\frac {2 \left (c \cos \left (e x +d \right )-a \sin \left (e x +d \right )\right ) \left (a +b \sec \left (e x +d \right )+c \tan \left (e x +d \right )\right )^{\frac {3}{2}}}{3 e \sec \left (e x +d \right )^{\frac {3}{2}} \left (b +a \cos \left (e x +d \right )+c \sin \left (e x +d \right )\right )}+\frac {8 b \sqrt {\frac {\cos \left (d +e x -\arctan \left (a , c\right )\right )}{2}+\frac {1}{2}}\, \EllipticE \left (\sin \left (\frac {d}{2}+\frac {e x}{2}-\frac {\arctan \left (a , c\right )}{2}\right ), \sqrt {2}\, \sqrt {\frac {\sqrt {a^{2}+c^{2}}}{b +\sqrt {a^{2}+c^{2}}}}\right ) \left (a +b \sec \left (e x +d \right )+c \tan \left (e x +d \right )\right )^{\frac {3}{2}}}{3 \cos \left (\frac {d}{2}+\frac {e x}{2}-\frac {\arctan \left (a , c\right )}{2}\right ) e \sec \left (e x +d \right )^{\frac {3}{2}} \left (b +a \cos \left (e x +d \right )+c \sin \left (e x +d \right )\right ) \sqrt {\frac {b +a \cos \left (e x +d \right )+c \sin \left (e x +d \right )}{b +\sqrt {a^{2}+c^{2}}}}}+\frac {2 \left (a^{2}-b^{2}+c^{2}\right ) \sqrt {\frac {\cos \left (d +e x -\arctan \left (a , c\right )\right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (\frac {d}{2}+\frac {e x}{2}-\frac {\arctan \left (a , c\right )}{2}\right ), \sqrt {2}\, \sqrt {\frac {\sqrt {a^{2}+c^{2}}}{b +\sqrt {a^{2}+c^{2}}}}\right ) \sqrt {\frac {b +a \cos \left (e x +d \right )+c \sin \left (e x +d \right )}{b +\sqrt {a^{2}+c^{2}}}}\, \left (a +b \sec \left (e x +d \right )+c \tan \left (e x +d \right )\right )^{\frac {3}{2}}}{3 \cos \left (\frac {d}{2}+\frac {e x}{2}-\frac {\arctan \left (a , c\right )}{2}\right ) e \sec \left (e x +d \right )^{\frac {3}{2}} \left (b +a \cos \left (e x +d \right )+c \sin \left (e x +d \right )\right )^{2}} \]
command
integrate((a+b*sec(e*x+d)+c*tan(e*x+d))^(3/2)/sec(e*x+d)^(3/2),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ \text {output too large to display} \]
Fricas 1.3.7 via sagemath 9.3 output \[ {\rm integral}\left (\frac {{\left (b \sec \left (e x + d\right ) + c \tan \left (e x + d\right ) + a\right )}^{\frac {3}{2}}}{\sec \left (e x + d\right )^{\frac {3}{2}}}, x\right ) \]