Integrand size = 24, antiderivative size = 484 \[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=-\frac {b \left (b^2 c^2+3 a b c d-5 a^2 d^2\right ) x}{2 a^2 c^3 (b c-a d) \sqrt [4]{a+b x^2}}-\frac {(2 b c-5 a d) \left (a+b x^2\right )^{3/4}}{6 a c^2 (b c-a d) x^3}+\frac {\left (b^2 c^2+3 a b c d-5 a^2 d^2\right ) \left (a+b x^2\right )^{3/4}}{2 a^2 c^3 (b c-a d) x}-\frac {d \left (a+b x^2\right )^{3/4}}{2 c (b c-a d) x^3 \left (c+d x^2\right )}+\frac {\sqrt {b} \left (b^2 c^2+3 a b c d-5 a^2 d^2\right ) \sqrt [4]{1+\frac {b x^2}{a}} E\left (\left .\frac {1}{2} \arctan \left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{2 a^{3/2} c^3 (b c-a d) \sqrt [4]{a+b x^2}}-\frac {\sqrt [4]{a} d^{3/2} (11 b c-10 a d) \sqrt {-\frac {b x^2}{a}} \operatorname {EllipticPi}\left (-\frac {\sqrt {a} \sqrt {d}}{\sqrt {-b c+a d}},\arcsin \left (\frac {\sqrt [4]{a+b x^2}}{\sqrt [4]{a}}\right ),-1\right )}{4 c^3 (-b c+a d)^{3/2} x}+\frac {\sqrt [4]{a} d^{3/2} (11 b c-10 a d) \sqrt {-\frac {b x^2}{a}} \operatorname {EllipticPi}\left (\frac {\sqrt {a} \sqrt {d}}{\sqrt {-b c+a d}},\arcsin \left (\frac {\sqrt [4]{a+b x^2}}{\sqrt [4]{a}}\right ),-1\right )}{4 c^3 (-b c+a d)^{3/2} x} \] Output:
-1/2*b*(-5*a^2*d^2+3*a*b*c*d+b^2*c^2)*x/a^2/c^3/(-a*d+b*c)/(b*x^2+a)^(1/4) -1/6*(-5*a*d+2*b*c)*(b*x^2+a)^(3/4)/a/c^2/(-a*d+b*c)/x^3+1/2*(-5*a^2*d^2+3 *a*b*c*d+b^2*c^2)*(b*x^2+a)^(3/4)/a^2/c^3/(-a*d+b*c)/x-1/2*d*(b*x^2+a)^(3/ 4)/c/(-a*d+b*c)/x^3/(d*x^2+c)+1/2*b^(1/2)*(-5*a^2*d^2+3*a*b*c*d+b^2*c^2)*( 1+b*x^2/a)^(1/4)*EllipticE(sin(1/2*arctan(b^(1/2)*x/a^(1/2))),2^(1/2))/a^( 3/2)/c^3/(-a*d+b*c)/(b*x^2+a)^(1/4)-1/4*a^(1/4)*d^(3/2)*(-10*a*d+11*b*c)*( -b*x^2/a)^(1/2)*EllipticPi((b*x^2+a)^(1/4)/a^(1/4),-a^(1/2)*d^(1/2)/(a*d-b *c)^(1/2),I)/c^3/(a*d-b*c)^(3/2)/x+1/4*a^(1/4)*d^(3/2)*(-10*a*d+11*b*c)*(- b*x^2/a)^(1/2)*EllipticPi((b*x^2+a)^(1/4)/a^(1/4),a^(1/2)*d^(1/2)/(a*d-b*c )^(1/2),I)/c^3/(a*d-b*c)^(3/2)/x
Result contains higher order function than in optimal. Order 6 vs. order 4 in optimal.
Time = 10.86 (sec) , antiderivative size = 375, normalized size of antiderivative = 0.77 \[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\frac {b d \left (b^2 c^2+3 a b c d-5 a^2 d^2\right ) x^6 \sqrt [4]{1+\frac {b x^2}{a}} \operatorname {AppellF1}\left (\frac {3}{2},\frac {1}{4},1,\frac {5}{2},-\frac {b x^2}{a},-\frac {d x^2}{c}\right )+\frac {2 c \left (\left (a+b x^2\right ) \left (-3 b^2 c^2 x^2 \left (c+d x^2\right )+a b c \left (2 c^2-7 c d x^2-9 d^2 x^4\right )+a^2 d \left (-2 c^2+10 c d x^2+15 d^2 x^4\right )\right )-\frac {9 a c \left (b^3 c^3+3 a b^2 c^2 d-16 a^2 b c d^2+10 a^3 d^3\right ) x^4 \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{4},1,\frac {3}{2},-\frac {b x^2}{a},-\frac {d x^2}{c}\right )}{-6 a c \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{4},1,\frac {3}{2},-\frac {b x^2}{a},-\frac {d x^2}{c}\right )+x^2 \left (4 a d \operatorname {AppellF1}\left (\frac {3}{2},\frac {1}{4},2,\frac {5}{2},-\frac {b x^2}{a},-\frac {d x^2}{c}\right )+b c \operatorname {AppellF1}\left (\frac {3}{2},\frac {5}{4},1,\frac {5}{2},-\frac {b x^2}{a},-\frac {d x^2}{c}\right )\right )}\right )}{c+d x^2}}{12 a^2 c^4 (-b c+a d) x^3 \sqrt [4]{a+b x^2}} \] Input:
Integrate[1/(x^4*(a + b*x^2)^(1/4)*(c + d*x^2)^2),x]
Output:
(b*d*(b^2*c^2 + 3*a*b*c*d - 5*a^2*d^2)*x^6*(1 + (b*x^2)/a)^(1/4)*AppellF1[ 3/2, 1/4, 1, 5/2, -((b*x^2)/a), -((d*x^2)/c)] + (2*c*((a + b*x^2)*(-3*b^2* c^2*x^2*(c + d*x^2) + a*b*c*(2*c^2 - 7*c*d*x^2 - 9*d^2*x^4) + a^2*d*(-2*c^ 2 + 10*c*d*x^2 + 15*d^2*x^4)) - (9*a*c*(b^3*c^3 + 3*a*b^2*c^2*d - 16*a^2*b *c*d^2 + 10*a^3*d^3)*x^4*AppellF1[1/2, 1/4, 1, 3/2, -((b*x^2)/a), -((d*x^2 )/c)])/(-6*a*c*AppellF1[1/2, 1/4, 1, 3/2, -((b*x^2)/a), -((d*x^2)/c)] + x^ 2*(4*a*d*AppellF1[3/2, 1/4, 2, 5/2, -((b*x^2)/a), -((d*x^2)/c)] + b*c*Appe llF1[3/2, 5/4, 1, 5/2, -((b*x^2)/a), -((d*x^2)/c)]))))/(c + d*x^2))/(12*a^ 2*c^4*(-(b*c) + a*d)*x^3*(a + b*x^2)^(1/4))
Result contains higher order function than in optimal. Order 6 vs. order 4 in optimal.
Time = 0.19 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.13, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {395, 394}
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.
\(\displaystyle \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx\) |
\(\Big \downarrow \) 395 |
\(\displaystyle \frac {\sqrt [4]{\frac {b x^2}{a}+1} \int \frac {1}{x^4 \sqrt [4]{\frac {b x^2}{a}+1} \left (d x^2+c\right )^2}dx}{\sqrt [4]{a+b x^2}}\) |
\(\Big \downarrow \) 394 |
\(\displaystyle -\frac {\sqrt [4]{\frac {b x^2}{a}+1} \operatorname {AppellF1}\left (-\frac {3}{2},\frac {1}{4},2,-\frac {1}{2},-\frac {b x^2}{a},-\frac {d x^2}{c}\right )}{3 c^2 x^3 \sqrt [4]{a+b x^2}}\) |
Input:
Int[1/(x^4*(a + b*x^2)^(1/4)*(c + d*x^2)^2),x]
Output:
-1/3*((1 + (b*x^2)/a)^(1/4)*AppellF1[-3/2, 1/4, 2, -1/2, -((b*x^2)/a), -(( d*x^2)/c)])/(c^2*x^3*(a + b*x^2)^(1/4))
Int[((e_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2)^(q_ ), x_Symbol] :> Simp[a^p*c^q*((e*x)^(m + 1)/(e*(m + 1)))*AppellF1[(m + 1)/2 , -p, -q, 1 + (m + 1)/2, (-b)*(x^2/a), (-d)*(x^2/c)], x] /; FreeQ[{a, b, c, d, e, m, p, q}, x] && NeQ[b*c - a*d, 0] && NeQ[m, -1] && NeQ[m, 1] && (Int egerQ[p] || GtQ[a, 0]) && (IntegerQ[q] || GtQ[c, 0])
Int[((e_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2)^(q_ ), x_Symbol] :> Simp[a^IntPart[p]*((a + b*x^2)^FracPart[p]/(1 + b*(x^2/a))^ FracPart[p]) Int[(e*x)^m*(1 + b*(x^2/a))^p*(c + d*x^2)^q, x], x] /; FreeQ [{a, b, c, d, e, m, p, q}, x] && NeQ[b*c - a*d, 0] && NeQ[m, -1] && NeQ[m, 1] && !(IntegerQ[p] || GtQ[a, 0])
\[\int \frac {1}{x^{4} \left (b \,x^{2}+a \right )^{\frac {1}{4}} \left (x^{2} d +c \right )^{2}}d x\]
Input:
int(1/x^4/(b*x^2+a)^(1/4)/(d*x^2+c)^2,x)
Output:
int(1/x^4/(b*x^2+a)^(1/4)/(d*x^2+c)^2,x)
Timed out. \[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\text {Timed out} \] Input:
integrate(1/x^4/(b*x^2+a)^(1/4)/(d*x^2+c)^2,x, algorithm="fricas")
Output:
Timed out
\[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\int \frac {1}{x^{4} \sqrt [4]{a + b x^{2}} \left (c + d x^{2}\right )^{2}}\, dx \] Input:
integrate(1/x**4/(b*x**2+a)**(1/4)/(d*x**2+c)**2,x)
Output:
Integral(1/(x**4*(a + b*x**2)**(1/4)*(c + d*x**2)**2), x)
\[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{\frac {1}{4}} {\left (d x^{2} + c\right )}^{2} x^{4}} \,d x } \] Input:
integrate(1/x^4/(b*x^2+a)^(1/4)/(d*x^2+c)^2,x, algorithm="maxima")
Output:
integrate(1/((b*x^2 + a)^(1/4)*(d*x^2 + c)^2*x^4), x)
\[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{\frac {1}{4}} {\left (d x^{2} + c\right )}^{2} x^{4}} \,d x } \] Input:
integrate(1/x^4/(b*x^2+a)^(1/4)/(d*x^2+c)^2,x, algorithm="giac")
Output:
integrate(1/((b*x^2 + a)^(1/4)*(d*x^2 + c)^2*x^4), x)
Timed out. \[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\int \frac {1}{x^4\,{\left (b\,x^2+a\right )}^{1/4}\,{\left (d\,x^2+c\right )}^2} \,d x \] Input:
int(1/(x^4*(a + b*x^2)^(1/4)*(c + d*x^2)^2),x)
Output:
int(1/(x^4*(a + b*x^2)^(1/4)*(c + d*x^2)^2), x)
\[ \int \frac {1}{x^4 \sqrt [4]{a+b x^2} \left (c+d x^2\right )^2} \, dx=\int \frac {1}{\left (b \,x^{2}+a \right )^{\frac {1}{4}} c^{2} x^{4}+2 \left (b \,x^{2}+a \right )^{\frac {1}{4}} c d \,x^{6}+\left (b \,x^{2}+a \right )^{\frac {1}{4}} d^{2} x^{8}}d x \] Input:
int(1/x^4/(b*x^2+a)^(1/4)/(d*x^2+c)^2,x)
Output:
int(1/((a + b*x**2)**(1/4)*c**2*x**4 + 2*(a + b*x**2)**(1/4)*c*d*x**6 + (a + b*x**2)**(1/4)*d**2*x**8),x)