\[ \int \sqrt {d+e x} \sqrt {c d^2-c e^2 x^2} \, dx \]
Optimal antiderivative \[ -\frac {8 d \left (-c \,e^{2} x^{2}+c \,d^{2}\right )^{\frac {3}{2}}}{15 c e \left (e x +d \right )^{\frac {3}{2}}}-\frac {2 \left (-c \,e^{2} x^{2}+c \,d^{2}\right )^{\frac {3}{2}}}{5 c e \sqrt {e x +d}} \]
command
integrate((e*x+d)^(1/2)*(-c*e^2*x^2+c*d^2)^(1/2),x, algorithm="giac")
Giac 1.9.0-11 via sagemath 9.6 output
\[ -\frac {2}{15} \, {\left (2 \, \sqrt {2} \sqrt {c d} d^{2} - 5 \, {\left (2 \, \sqrt {2} \sqrt {c d} d - \frac {{\left (-{\left (x e + d\right )} c + 2 \, c d\right )}^{\frac {3}{2}}}{c}\right )} d + \frac {5 \, {\left (-{\left (x e + d\right )} c + 2 \, c d\right )}^{\frac {3}{2}} c d - 3 \, {\left ({\left (x e + d\right )} c - 2 \, c d\right )}^{2} \sqrt {-{\left (x e + d\right )} c + 2 \, c d}}{c^{2}}\right )} e^{\left (-1\right )} \]
Giac 1.7.0 via sagemath 9.3 output
\[ \int \sqrt {-c e^{2} x^{2} + c d^{2}} \sqrt {e x + d}\,{d x} \]________________________________________________________________________________________