\(\int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx\) [1555]

Optimal result

Integrand size = 26, antiderivative size = 96 \[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=-\frac {2 b^2 \left (a+b x^2\right )^{3/4} \sqrt [4]{\frac {b \left (c+d x^2\right )}{b c-a d}} \operatorname {AppellF1}\left (\frac {3}{4},3,\frac {1}{4},\frac {7}{4},1+\frac {b x^2}{a},-\frac {d \left (a+b x^2\right )}{b c-a d}\right )}{3 a^3 \sqrt [4]{c+d x^2}} \] Output:

-2/3*b^2*(b*x^2+a)^(3/4)*(b*(d*x^2+c)/(-a*d+b*c))^(1/4)*AppellF1(3/4,1/4,3 
,7/4,-d*(b*x^2+a)/(-a*d+b*c),1+b*x^2/a)/a^3/(d*x^2+c)^(1/4)
                                                                                    
                                                                                    
 

Mathematica [B] (warning: unable to verify)

Leaf count is larger than twice the leaf count of optimal. \(227\) vs. \(2(96)=192\).

Time = 2.46 (sec) , antiderivative size = 227, normalized size of antiderivative = 2.36 \[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\frac {2 \left (a+b x^2\right ) \left (c+d x^2\right ) \left (-4 a c+5 b c x^2+5 a d x^2\right )-\left (5 b^2 c^2+2 a b c d+5 a^2 d^2\right ) \sqrt [4]{1+\frac {a}{b x^2}} \sqrt [4]{1+\frac {c}{d x^2}} x^4 \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{4},\frac {1}{4},\frac {3}{2},-\frac {a}{b x^2},-\frac {c}{d x^2}\right )-5 b d (b c+a d) x^6 \sqrt [4]{1+\frac {b x^2}{a}} \sqrt [4]{1+\frac {d x^2}{c}} \operatorname {AppellF1}\left (1,\frac {1}{4},\frac {1}{4},2,-\frac {b x^2}{a},-\frac {d x^2}{c}\right )}{32 a^2 c^2 x^4 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \] Input:

Integrate[1/(x^5*(a + b*x^2)^(1/4)*(c + d*x^2)^(1/4)),x]
 

Output:

(2*(a + b*x^2)*(c + d*x^2)*(-4*a*c + 5*b*c*x^2 + 5*a*d*x^2) - (5*b^2*c^2 + 
 2*a*b*c*d + 5*a^2*d^2)*(1 + a/(b*x^2))^(1/4)*(1 + c/(d*x^2))^(1/4)*x^4*Ap 
pellF1[1/2, 1/4, 1/4, 3/2, -(a/(b*x^2)), -(c/(d*x^2))] - 5*b*d*(b*c + a*d) 
*x^6*(1 + (b*x^2)/a)^(1/4)*(1 + (d*x^2)/c)^(1/4)*AppellF1[1, 1/4, 1/4, 2, 
-((b*x^2)/a), -((d*x^2)/c)])/(32*a^2*c^2*x^4*(a + b*x^2)^(1/4)*(c + d*x^2) 
^(1/4))
 

Rubi [A] (verified)

Time = 0.23 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.01, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {354, 154, 153}

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.

\(\displaystyle \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx\)

\(\Big \downarrow \) 354

\(\displaystyle \frac {1}{2} \int \frac {1}{x^6 \sqrt [4]{b x^2+a} \sqrt [4]{d x^2+c}}dx^2\)

\(\Big \downarrow \) 154

\(\displaystyle \frac {\sqrt [4]{\frac {b \left (c+d x^2\right )}{b c-a d}} \int \frac {1}{x^6 \sqrt [4]{b x^2+a} \sqrt [4]{\frac {b d x^2}{b c-a d}+\frac {b c}{b c-a d}}}dx^2}{2 \sqrt [4]{c+d x^2}}\)

\(\Big \downarrow \) 153

\(\displaystyle -\frac {2 b^2 \left (a+b x^2\right )^{3/4} \sqrt [4]{\frac {b \left (c+d x^2\right )}{b c-a d}} \operatorname {AppellF1}\left (\frac {3}{4},\frac {1}{4},3,\frac {7}{4},-\frac {d \left (b x^2+a\right )}{b c-a d},\frac {b x^2+a}{a}\right )}{3 a^3 \sqrt [4]{c+d x^2}}\)

Input:

Int[1/(x^5*(a + b*x^2)^(1/4)*(c + d*x^2)^(1/4)),x]
 

Output:

(-2*b^2*(a + b*x^2)^(3/4)*((b*(c + d*x^2))/(b*c - a*d))^(1/4)*AppellF1[3/4 
, 1/4, 3, 7/4, -((d*(a + b*x^2))/(b*c - a*d)), (a + b*x^2)/a])/(3*a^3*(c + 
 d*x^2)^(1/4))
 

Defintions of rubi rules used

rule 153

Int[((a_) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_)) 
^(p_), x_] :> Simp[(b*e - a*f)^p*((a + b*x)^(m + 1)/(b^(p + 1)*(m + 1)*Simp 
lify[b/(b*c - a*d)]^n))*AppellF1[m + 1, -n, -p, m + 2, (-d)*((a + b*x)/(b*c 
 - a*d)), (-f)*((a + b*x)/(b*e - a*f))], x] /; FreeQ[{a, b, c, d, e, f, m, 
n}, x] &&  !IntegerQ[m] &&  !IntegerQ[n] && IntegerQ[p] && GtQ[Simplify[b/( 
b*c - a*d)], 0] &&  !(GtQ[Simplify[d/(d*a - c*b)], 0] && SimplerQ[c + d*x, 
a + b*x])
 

rule 154

Int[((a_) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_)) 
^(p_), x_] :> Simp[(c + d*x)^FracPart[n]/(Simplify[b/(b*c - a*d)]^IntPart[n 
]*(b*((c + d*x)/(b*c - a*d)))^FracPart[n])   Int[(a + b*x)^m*Simp[b*(c/(b*c 
 - a*d)) + b*d*(x/(b*c - a*d)), x]^n*(e + f*x)^p, x], x] /; FreeQ[{a, b, c, 
 d, e, f, m, n}, x] &&  !IntegerQ[m] &&  !IntegerQ[n] && IntegerQ[p] &&  !G 
tQ[Simplify[b/(b*c - a*d)], 0] &&  !SimplerQ[c + d*x, a + b*x]
 

rule 354

Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^2)^(p_.)*((c_) + (d_.)*(x_)^2)^(q_.), x_S 
ymbol] :> Simp[1/2   Subst[Int[x^((m - 1)/2)*(a + b*x)^p*(c + d*x)^q, x], x 
, x^2], x] /; FreeQ[{a, b, c, d, p, q}, x] && NeQ[b*c - a*d, 0] && IntegerQ 
[(m - 1)/2]
 

Maple [F]

\[\int \frac {1}{x^{5} \left (b \,x^{2}+a \right )^{\frac {1}{4}} \left (x^{2} d +c \right )^{\frac {1}{4}}}d x\]

Input:

int(1/x^5/(b*x^2+a)^(1/4)/(d*x^2+c)^(1/4),x)
 

Output:

int(1/x^5/(b*x^2+a)^(1/4)/(d*x^2+c)^(1/4),x)
 

Fricas [F(-1)]

Timed out. \[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\text {Timed out} \] Input:

integrate(1/x^5/(b*x^2+a)^(1/4)/(d*x^2+c)^(1/4),x, algorithm="fricas")
 

Output:

Timed out
 

Sympy [F]

\[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\int \frac {1}{x^{5} \sqrt [4]{a + b x^{2}} \sqrt [4]{c + d x^{2}}}\, dx \] Input:

integrate(1/x**5/(b*x**2+a)**(1/4)/(d*x**2+c)**(1/4),x)
 

Output:

Integral(1/(x**5*(a + b*x**2)**(1/4)*(c + d*x**2)**(1/4)), x)
 

Maxima [F]

\[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{\frac {1}{4}} {\left (d x^{2} + c\right )}^{\frac {1}{4}} x^{5}} \,d x } \] Input:

integrate(1/x^5/(b*x^2+a)^(1/4)/(d*x^2+c)^(1/4),x, algorithm="maxima")
 

Output:

integrate(1/((b*x^2 + a)^(1/4)*(d*x^2 + c)^(1/4)*x^5), x)
 

Giac [F]

\[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{\frac {1}{4}} {\left (d x^{2} + c\right )}^{\frac {1}{4}} x^{5}} \,d x } \] Input:

integrate(1/x^5/(b*x^2+a)^(1/4)/(d*x^2+c)^(1/4),x, algorithm="giac")
 

Output:

integrate(1/((b*x^2 + a)^(1/4)*(d*x^2 + c)^(1/4)*x^5), x)
 

Mupad [F(-1)]

Timed out. \[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\int \frac {1}{x^5\,{\left (b\,x^2+a\right )}^{1/4}\,{\left (d\,x^2+c\right )}^{1/4}} \,d x \] Input:

int(1/(x^5*(a + b*x^2)^(1/4)*(c + d*x^2)^(1/4)),x)
 

Output:

int(1/(x^5*(a + b*x^2)^(1/4)*(c + d*x^2)^(1/4)), x)
 

Reduce [F]

\[ \int \frac {1}{x^5 \sqrt [4]{a+b x^2} \sqrt [4]{c+d x^2}} \, dx=\int \frac {1}{\left (d \,x^{2}+c \right )^{\frac {1}{4}} \left (b \,x^{2}+a \right )^{\frac {1}{4}} x^{5}}d x \] Input:

int(1/x^5/(b*x^2+a)^(1/4)/(d*x^2+c)^(1/4),x)
 

Output:

int(1/((c + d*x**2)**(1/4)*(a + b*x**2)**(1/4)*x**5),x)