\(\int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx\) [355]

Optimal result

Integrand size = 38, antiderivative size = 194 \[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=-\frac {\sqrt {c+d x^2} \sqrt {e-f x^2}}{c x \sqrt {a+b x^2}}-\frac {\sqrt {e} \sqrt {b e+a f} \sqrt {c+d x^2} \sqrt {\frac {a \left (e-f x^2\right )}{e \left (a+b x^2\right )}} E\left (\arcsin \left (\frac {\sqrt {b e+a f} x}{\sqrt {e} \sqrt {a+b x^2}}\right )|\frac {(b c-a d) e}{c (b e+a f)}\right )}{a c \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e-f x^2}} \] Output:

-(d*x^2+c)^(1/2)*(-f*x^2+e)^(1/2)/c/x/(b*x^2+a)^(1/2)-e^(1/2)*(a*f+b*e)^(1 
/2)*(d*x^2+c)^(1/2)*(a*(-f*x^2+e)/e/(b*x^2+a))^(1/2)*EllipticE((a*f+b*e)^( 
1/2)*x/e^(1/2)/(b*x^2+a)^(1/2),((-a*d+b*c)*e/c/(a*f+b*e))^(1/2))/a/c/(a*(d 
*x^2+c)/c/(b*x^2+a))^(1/2)/(-f*x^2+e)^(1/2)
 

Mathematica [F]

\[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx \] Input:

Integrate[Sqrt[e - f*x^2]/(x^2*Sqrt[a + b*x^2]*Sqrt[c + d*x^2]),x]
 

Output:

Integrate[Sqrt[e - f*x^2]/(x^2*Sqrt[a + b*x^2]*Sqrt[c + d*x^2]), x]
 

Rubi [F]

Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.

\(\displaystyle \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx\)

\(\Big \downarrow \) 450

\(\displaystyle \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}}dx\)

Input:

Int[Sqrt[e - f*x^2]/(x^2*Sqrt[a + b*x^2]*Sqrt[c + d*x^2]),x]
 

Output:

$Aborted
 

Defintions of rubi rules used

rule 450

Int[((g_.)*(x_))^(m_.)*((a_.) + (b_.)*(x_)^2)^(p_.)*((c_.) + (d_.)*(x_)^2)^ 
(q_.)*((e_.) + (f_.)*(x_)^2)^(r_.), x_Symbol] :> Unintegrable[(g*x)^m*(a + 
b*x^2)^p*(c + d*x^2)^q*(e + f*x^2)^r, x] /; FreeQ[{a, b, c, d, e, f, g, m, 
p, q, r}, x]
 

Maple [F]

\[\int \frac {\sqrt {-f \,x^{2}+e}}{x^{2} \sqrt {b \,x^{2}+a}\, \sqrt {x^{2} d +c}}d x\]

Input:

int((-f*x^2+e)^(1/2)/x^2/(b*x^2+a)^(1/2)/(d*x^2+c)^(1/2),x)
 

Output:

int((-f*x^2+e)^(1/2)/x^2/(b*x^2+a)^(1/2)/(d*x^2+c)^(1/2),x)
 

Fricas [F]

\[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int { \frac {\sqrt {-f x^{2} + e}}{\sqrt {b x^{2} + a} \sqrt {d x^{2} + c} x^{2}} \,d x } \] Input:

integrate((-f*x^2+e)^(1/2)/x^2/(b*x^2+a)^(1/2)/(d*x^2+c)^(1/2),x, algorith 
m="fricas")
 

Output:

integral(sqrt(b*x^2 + a)*sqrt(d*x^2 + c)*sqrt(-f*x^2 + e)/(b*d*x^6 + (b*c 
+ a*d)*x^4 + a*c*x^2), x)
 

Sympy [F]

\[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int \frac {\sqrt {e - f x^{2}}}{x^{2} \sqrt {a + b x^{2}} \sqrt {c + d x^{2}}}\, dx \] Input:

integrate((-f*x**2+e)**(1/2)/x**2/(b*x**2+a)**(1/2)/(d*x**2+c)**(1/2),x)
 

Output:

Integral(sqrt(e - f*x**2)/(x**2*sqrt(a + b*x**2)*sqrt(c + d*x**2)), x)
 

Maxima [F]

\[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int { \frac {\sqrt {-f x^{2} + e}}{\sqrt {b x^{2} + a} \sqrt {d x^{2} + c} x^{2}} \,d x } \] Input:

integrate((-f*x^2+e)^(1/2)/x^2/(b*x^2+a)^(1/2)/(d*x^2+c)^(1/2),x, algorith 
m="maxima")
 

Output:

integrate(sqrt(-f*x^2 + e)/(sqrt(b*x^2 + a)*sqrt(d*x^2 + c)*x^2), x)
 

Giac [F]

\[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int { \frac {\sqrt {-f x^{2} + e}}{\sqrt {b x^{2} + a} \sqrt {d x^{2} + c} x^{2}} \,d x } \] Input:

integrate((-f*x^2+e)^(1/2)/x^2/(b*x^2+a)^(1/2)/(d*x^2+c)^(1/2),x, algorith 
m="giac")
 

Output:

integrate(sqrt(-f*x^2 + e)/(sqrt(b*x^2 + a)*sqrt(d*x^2 + c)*x^2), x)
 

Mupad [F(-1)]

Timed out. \[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int \frac {\sqrt {e-f\,x^2}}{x^2\,\sqrt {b\,x^2+a}\,\sqrt {d\,x^2+c}} \,d x \] Input:

int((e - f*x^2)^(1/2)/(x^2*(a + b*x^2)^(1/2)*(c + d*x^2)^(1/2)),x)
 

Output:

int((e - f*x^2)^(1/2)/(x^2*(a + b*x^2)^(1/2)*(c + d*x^2)^(1/2)), x)
 

Reduce [F]

\[ \int \frac {\sqrt {e-f x^2}}{x^2 \sqrt {a+b x^2} \sqrt {c+d x^2}} \, dx=\int \frac {\sqrt {-f \,x^{2}+e}\, \sqrt {d \,x^{2}+c}\, \sqrt {b \,x^{2}+a}}{b d \,x^{6}+a d \,x^{4}+b c \,x^{4}+a c \,x^{2}}d x \] Input:

int((-f*x^2+e)^(1/2)/x^2/(b*x^2+a)^(1/2)/(d*x^2+c)^(1/2),x)
 

Output:

int((sqrt(e - f*x**2)*sqrt(c + d*x**2)*sqrt(a + b*x**2))/(a*c*x**2 + a*d*x 
**4 + b*c*x**4 + b*d*x**6),x)