22.131 Problem number 1371

\[ \int \frac {1}{(b d+2 c d x)^{3/2} \sqrt {a+b x+c x^2}} \, dx \]

Optimal antiderivative \[ \frac {4 \sqrt {c \,x^{2}+b x +a}}{\left (-4 a c +b^{2}\right ) d \sqrt {2 c d x +b d}}-\frac {2 \EllipticE \left (\frac {\sqrt {2 c d x +b d}}{\left (-4 a c +b^{2}\right )^{\frac {1}{4}} \sqrt {d}}, i\right ) \sqrt {-\frac {c \left (c \,x^{2}+b x +a \right )}{-4 a c +b^{2}}}}{c \left (-4 a c +b^{2}\right )^{\frac {1}{4}} d^{\frac {3}{2}} \sqrt {c \,x^{2}+b x +a}}+\frac {2 \EllipticF \left (\frac {\sqrt {2 c d x +b d}}{\left (-4 a c +b^{2}\right )^{\frac {1}{4}} \sqrt {d}}, i\right ) \sqrt {-\frac {c \left (c \,x^{2}+b x +a \right )}{-4 a c +b^{2}}}}{c \left (-4 a c +b^{2}\right )^{\frac {1}{4}} d^{\frac {3}{2}} \sqrt {c \,x^{2}+b x +a}} \]

command

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

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

\[ \frac {2 \, {\left (\sqrt {2} \sqrt {c^{2} d} {\left (2 \, c x + b\right )} {\rm weierstrassZeta}\left (\frac {b^{2} - 4 \, a c}{c^{2}}, 0, {\rm weierstrassPInverse}\left (\frac {b^{2} - 4 \, a c}{c^{2}}, 0, \frac {2 \, c x + b}{2 \, c}\right )\right ) + 2 \, \sqrt {2 \, c d x + b d} \sqrt {c x^{2} + b x + a} c\right )}}{2 \, {\left (b^{2} c^{2} - 4 \, a c^{3}\right )} d^{2} x + {\left (b^{3} c - 4 \, a b c^{2}\right )} d^{2}} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {\sqrt {2 \, c d x + b d} \sqrt {c x^{2} + b x + a}}{4 \, c^{3} d^{2} x^{4} + 8 \, b c^{2} d^{2} x^{3} + a b^{2} d^{2} + {\left (5 \, b^{2} c + 4 \, a c^{2}\right )} d^{2} x^{2} + {\left (b^{3} + 4 \, a b c\right )} d^{2} x}, x\right ) \]