Integrand size = 30, antiderivative size = 217 \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=-\frac {d^2 (4 b d e-12 b c f+3 a d f) x \sqrt {a+b x^2}}{8 b^2 f^2}+\frac {d^3 x^3 \sqrt {a+b x^2}}{4 b f}+\frac {d \left (3 a^2 d^2 f^2+4 a b d f (d e-3 c f)+8 b^2 \left (d^2 e^2-3 c d e f+3 c^2 f^2\right )\right ) \text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right )}{8 b^{5/2} f^3}-\frac {(d e-c f)^3 \text {arctanh}\left (\frac {\sqrt {b e-a f} x}{\sqrt {e} \sqrt {a+b x^2}}\right )}{\sqrt {e} f^3 \sqrt {b e-a f}} \] Output:
-1/8*d^2*(3*a*d*f-12*b*c*f+4*b*d*e)*x*(b*x^2+a)^(1/2)/b^2/f^2+1/4*d^3*x^3* (b*x^2+a)^(1/2)/b/f+1/8*d*(3*a^2*d^2*f^2+4*a*b*d*f*(-3*c*f+d*e)+8*b^2*(3*c ^2*f^2-3*c*d*e*f+d^2*e^2))*arctanh(b^(1/2)*x/(b*x^2+a)^(1/2))/b^(5/2)/f^3- (-c*f+d*e)^3*arctanh((-a*f+b*e)^(1/2)*x/e^(1/2)/(b*x^2+a)^(1/2))/e^(1/2)/f ^3/(-a*f+b*e)^(1/2)
Time = 0.78 (sec) , antiderivative size = 211, normalized size of antiderivative = 0.97 \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=\frac {\frac {d^2 f x \sqrt {a+b x^2} \left (-3 a d f+2 b \left (-2 d e+6 c f+d f x^2\right )\right )}{b^2}+\frac {8 (d e-c f)^3 \arctan \left (\frac {-f x \sqrt {a+b x^2}+\sqrt {b} \left (e+f x^2\right )}{\sqrt {e} \sqrt {-b e+a f}}\right )}{\sqrt {e} \sqrt {-b e+a f}}-\frac {d \left (3 a^2 d^2 f^2+4 a b d f (d e-3 c f)+8 b^2 \left (d^2 e^2-3 c d e f+3 c^2 f^2\right )\right ) \log \left (-\sqrt {b} x+\sqrt {a+b x^2}\right )}{b^{5/2}}}{8 f^3} \] Input:
Integrate[(c + d*x^2)^3/(Sqrt[a + b*x^2]*(e + f*x^2)),x]
Output:
((d^2*f*x*Sqrt[a + b*x^2]*(-3*a*d*f + 2*b*(-2*d*e + 6*c*f + d*f*x^2)))/b^2 + (8*(d*e - c*f)^3*ArcTan[(-(f*x*Sqrt[a + b*x^2]) + Sqrt[b]*(e + f*x^2))/ (Sqrt[e]*Sqrt[-(b*e) + a*f])])/(Sqrt[e]*Sqrt[-(b*e) + a*f]) - (d*(3*a^2*d^ 2*f^2 + 4*a*b*d*f*(d*e - 3*c*f) + 8*b^2*(d^2*e^2 - 3*c*d*e*f + 3*c^2*f^2)) *Log[-(Sqrt[b]*x) + Sqrt[a + b*x^2]])/b^(5/2))/(8*f^3)
Time = 0.51 (sec) , antiderivative size = 303, normalized size of antiderivative = 1.40, number of steps used = 15, number of rules used = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.467, Rules used = {420, 318, 299, 224, 219, 420, 299, 224, 219, 398, 224, 219, 291, 221}
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.
\(\displaystyle \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx\) |
\(\Big \downarrow \) 420 |
\(\displaystyle \frac {d \int \frac {\left (d x^2+c\right )^2}{\sqrt {b x^2+a}}dx}{f}-\frac {(d e-c f) \int \frac {\left (d x^2+c\right )^2}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\) |
\(\Big \downarrow \) 318 |
\(\displaystyle \frac {d \left (\frac {\int \frac {3 d (2 b c-a d) x^2+c (4 b c-a d)}{\sqrt {b x^2+a}}dx}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \int \frac {\left (d x^2+c\right )^2}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\) |
\(\Big \downarrow \) 299 |
\(\displaystyle \frac {d \left (\frac {\frac {\left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right ) \int \frac {1}{\sqrt {b x^2+a}}dx}{2 b}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \int \frac {\left (d x^2+c\right )^2}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\) |
\(\Big \downarrow \) 224 |
\(\displaystyle \frac {d \left (\frac {\frac {\left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right ) \int \frac {1}{1-\frac {b x^2}{b x^2+a}}d\frac {x}{\sqrt {b x^2+a}}}{2 b}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \int \frac {\left (d x^2+c\right )^2}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\) |
\(\Big \downarrow \) 219 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \int \frac {\left (d x^2+c\right )^2}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\) |
\(\Big \downarrow \) 420 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \int \frac {d x^2+c}{\sqrt {b x^2+a}}dx}{f}-\frac {(d e-c f) \int \frac {d x^2+c}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\) |
\(\Big \downarrow \) 299 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {(2 b c-a d) \int \frac {1}{\sqrt {b x^2+a}}dx}{2 b}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \int \frac {d x^2+c}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\) |
\(\Big \downarrow \) 224 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {(2 b c-a d) \int \frac {1}{1-\frac {b x^2}{b x^2+a}}d\frac {x}{\sqrt {b x^2+a}}}{2 b}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \int \frac {d x^2+c}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\) |
\(\Big \downarrow \) 219 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) (2 b c-a d)}{2 b^{3/2}}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \int \frac {d x^2+c}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\) |
\(\Big \downarrow \) 398 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) (2 b c-a d)}{2 b^{3/2}}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \int \frac {1}{\sqrt {b x^2+a}}dx}{f}-\frac {(d e-c f) \int \frac {1}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\right )}{f}\) |
\(\Big \downarrow \) 224 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) (2 b c-a d)}{2 b^{3/2}}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \int \frac {1}{1-\frac {b x^2}{b x^2+a}}d\frac {x}{\sqrt {b x^2+a}}}{f}-\frac {(d e-c f) \int \frac {1}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\right )}{f}\) |
\(\Big \downarrow \) 219 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) (2 b c-a d)}{2 b^{3/2}}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right )}{\sqrt {b} f}-\frac {(d e-c f) \int \frac {1}{\sqrt {b x^2+a} \left (f x^2+e\right )}dx}{f}\right )}{f}\right )}{f}\) |
\(\Big \downarrow \) 291 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) (2 b c-a d)}{2 b^{3/2}}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right )}{\sqrt {b} f}-\frac {(d e-c f) \int \frac {1}{e-\frac {(b e-a f) x^2}{b x^2+a}}d\frac {x}{\sqrt {b x^2+a}}}{f}\right )}{f}\right )}{f}\) |
\(\Big \downarrow \) 221 |
\(\displaystyle \frac {d \left (\frac {\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) \left (3 a^2 d^2-8 a b c d+8 b^2 c^2\right )}{2 b^{3/2}}+\frac {3 d x \sqrt {a+b x^2} (2 b c-a d)}{2 b}}{4 b}+\frac {d x \sqrt {a+b x^2} \left (c+d x^2\right )}{4 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \left (\frac {\text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right ) (2 b c-a d)}{2 b^{3/2}}+\frac {d x \sqrt {a+b x^2}}{2 b}\right )}{f}-\frac {(d e-c f) \left (\frac {d \text {arctanh}\left (\frac {\sqrt {b} x}{\sqrt {a+b x^2}}\right )}{\sqrt {b} f}-\frac {(d e-c f) \text {arctanh}\left (\frac {x \sqrt {b e-a f}}{\sqrt {e} \sqrt {a+b x^2}}\right )}{\sqrt {e} f \sqrt {b e-a f}}\right )}{f}\right )}{f}\) |
Input:
Int[(c + d*x^2)^3/(Sqrt[a + b*x^2]*(e + f*x^2)),x]
Output:
(d*((d*x*Sqrt[a + b*x^2]*(c + d*x^2))/(4*b) + ((3*d*(2*b*c - a*d)*x*Sqrt[a + b*x^2])/(2*b) + ((8*b^2*c^2 - 8*a*b*c*d + 3*a^2*d^2)*ArcTanh[(Sqrt[b]*x )/Sqrt[a + b*x^2]])/(2*b^(3/2)))/(4*b)))/f - ((d*e - c*f)*((d*((d*x*Sqrt[a + b*x^2])/(2*b) + ((2*b*c - a*d)*ArcTanh[(Sqrt[b]*x)/Sqrt[a + b*x^2]])/(2 *b^(3/2))))/f - ((d*e - c*f)*((d*ArcTanh[(Sqrt[b]*x)/Sqrt[a + b*x^2]])/(Sq rt[b]*f) - ((d*e - c*f)*ArcTanh[(Sqrt[b*e - a*f]*x)/(Sqrt[e]*Sqrt[a + b*x^ 2])])/(Sqrt[e]*f*Sqrt[b*e - a*f])))/f))/f
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1/(Rt[a, 2]*Rt[-b, 2]))* ArcTanh[Rt[-b, 2]*(x/Rt[a, 2])], x] /; FreeQ[{a, b}, x] && NegQ[a/b] && (Gt Q[a, 0] || LtQ[b, 0])
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(Rt[-a/b, 2]/a)*ArcTanh[x /Rt[-a/b, 2]], x] /; FreeQ[{a, b}, x] && NegQ[a/b]
Int[1/Sqrt[(a_) + (b_.)*(x_)^2], x_Symbol] :> Subst[Int[1/(1 - b*x^2), x], x, x/Sqrt[a + b*x^2]] /; FreeQ[{a, b}, x] && !GtQ[a, 0]
Int[1/(Sqrt[(a_) + (b_.)*(x_)^2]*((c_) + (d_.)*(x_)^2)), x_Symbol] :> Subst [Int[1/(c - (b*c - a*d)*x^2), x], x, x/Sqrt[a + b*x^2]] /; FreeQ[{a, b, c, d}, x] && NeQ[b*c - a*d, 0]
Int[((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2), x_Symbol] :> Simp[d*x *((a + b*x^2)^(p + 1)/(b*(2*p + 3))), x] - Simp[(a*d - b*c*(2*p + 3))/(b*(2 *p + 3)) Int[(a + b*x^2)^p, x], x] /; FreeQ[{a, b, c, d}, x] && NeQ[b*c - a*d, 0] && NeQ[2*p + 3, 0]
Int[((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2)^(q_), x_Symbol] :> Sim p[d*x*(a + b*x^2)^(p + 1)*((c + d*x^2)^(q - 1)/(b*(2*(p + q) + 1))), x] + S imp[1/(b*(2*(p + q) + 1)) Int[(a + b*x^2)^p*(c + d*x^2)^(q - 2)*Simp[c*(b *c*(2*(p + q) + 1) - a*d) + d*(b*c*(2*(p + 2*q - 1) + 1) - a*d*(2*(q - 1) + 1))*x^2, x], x], x] /; FreeQ[{a, b, c, d, p}, x] && NeQ[b*c - a*d, 0] && G tQ[q, 1] && NeQ[2*(p + q) + 1, 0] && !IGtQ[p, 1] && IntBinomialQ[a, b, c, d, 2, p, q, x]
Int[((e_) + (f_.)*(x_)^2)/(((a_) + (b_.)*(x_)^2)*Sqrt[(c_) + (d_.)*(x_)^2]) , x_Symbol] :> Simp[f/b Int[1/Sqrt[c + d*x^2], x], x] + Simp[(b*e - a*f)/ b Int[1/((a + b*x^2)*Sqrt[c + d*x^2]), x], x] /; FreeQ[{a, b, c, d, e, f} , x]
Int[(((c_) + (d_.)*(x_)^2)^(q_)*((e_) + (f_.)*(x_)^2)^(r_))/((a_) + (b_.)*( x_)^2), x_Symbol] :> Simp[d/b Int[(c + d*x^2)^(q - 1)*(e + f*x^2)^r, x], x] + Simp[(b*c - a*d)/b Int[(c + d*x^2)^(q - 1)*((e + f*x^2)^r/(a + b*x^2 )), x], x] /; FreeQ[{a, b, c, d, e, f, r}, x] && GtQ[q, 1]
Time = 0.93 (sec) , antiderivative size = 194, normalized size of antiderivative = 0.89
method | result | size |
pseudoelliptic | \(\frac {-b^{\frac {9}{2}} \left (c f -d e \right )^{3} \arctan \left (\frac {e \sqrt {b \,x^{2}+a}}{x \sqrt {\left (a f -b e \right ) e}}\right )+\frac {3 \left (\frac {\left (\frac {8 b^{2} d^{2} e^{2}}{3}+\frac {4 b d f \left (a d -6 b c \right ) e}{3}+f^{2} \left (a^{2} d^{2}-4 a b c d +8 b^{2} c^{2}\right )\right ) b^{2} \operatorname {arctanh}\left (\frac {\sqrt {b \,x^{2}+a}}{x \sqrt {b}}\right )}{4}+d \,b^{\frac {5}{2}} \left (-\frac {b d e}{3}-\frac {\left (\left (-\frac {2 x^{2} d}{3}-4 c \right ) b +a d \right ) f}{4}\right ) \sqrt {b \,x^{2}+a}\, x f \right ) d \sqrt {\left (a f -b e \right ) e}}{2}}{\sqrt {\left (a f -b e \right ) e}\, b^{\frac {9}{2}} f^{3}}\) | \(194\) |
risch | \(-\frac {d^{2} x \left (-2 b d f \,x^{2}+3 a d f -12 b c f +4 b d e \right ) \sqrt {b \,x^{2}+a}}{8 b^{2} f^{2}}+\frac {\frac {d \left (3 a^{2} d^{2} f^{2}-12 a b c d \,f^{2}+4 a b \,d^{2} e f +24 b^{2} c^{2} f^{2}-24 b^{2} c d e f +8 b^{2} d^{2} e^{2}\right ) \ln \left (\sqrt {b}\, x +\sqrt {b \,x^{2}+a}\right )}{f \sqrt {b}}-\frac {4 b^{2} \left (c^{3} f^{3}-3 c^{2} e \,f^{2} d +3 c \,d^{2} e^{2} f -e^{3} d^{3}\right ) \ln \left (\frac {\frac {2 a f -2 b e}{f}+\frac {2 b \sqrt {-e f}\, \left (x -\frac {\sqrt {-e f}}{f}\right )}{f}+2 \sqrt {\frac {a f -b e}{f}}\, \sqrt {\left (x -\frac {\sqrt {-e f}}{f}\right )^{2} b +\frac {2 b \sqrt {-e f}\, \left (x -\frac {\sqrt {-e f}}{f}\right )}{f}+\frac {a f -b e}{f}}}{x -\frac {\sqrt {-e f}}{f}}\right )}{\sqrt {-e f}\, f \sqrt {\frac {a f -b e}{f}}}+\frac {4 b^{2} \left (c^{3} f^{3}-3 c^{2} e \,f^{2} d +3 c \,d^{2} e^{2} f -e^{3} d^{3}\right ) \ln \left (\frac {\frac {2 a f -2 b e}{f}-\frac {2 b \sqrt {-e f}\, \left (x +\frac {\sqrt {-e f}}{f}\right )}{f}+2 \sqrt {\frac {a f -b e}{f}}\, \sqrt {\left (x +\frac {\sqrt {-e f}}{f}\right )^{2} b -\frac {2 b \sqrt {-e f}\, \left (x +\frac {\sqrt {-e f}}{f}\right )}{f}+\frac {a f -b e}{f}}}{x +\frac {\sqrt {-e f}}{f}}\right )}{\sqrt {-e f}\, f \sqrt {\frac {a f -b e}{f}}}}{8 b^{2} f^{2}}\) | \(523\) |
default | \(\frac {d \left (\frac {d^{2} e^{2} \ln \left (\sqrt {b}\, x +\sqrt {b \,x^{2}+a}\right )}{\sqrt {b}}+d f \left (3 c f -d e \right ) \left (\frac {x \sqrt {b \,x^{2}+a}}{2 b}-\frac {a \ln \left (\sqrt {b}\, x +\sqrt {b \,x^{2}+a}\right )}{2 b^{\frac {3}{2}}}\right )+d^{2} f^{2} \left (\frac {x^{3} \sqrt {b \,x^{2}+a}}{4 b}-\frac {3 a \left (\frac {x \sqrt {b \,x^{2}+a}}{2 b}-\frac {a \ln \left (\sqrt {b}\, x +\sqrt {b \,x^{2}+a}\right )}{2 b^{\frac {3}{2}}}\right )}{4 b}\right )+\frac {3 c^{2} f^{2} \ln \left (\sqrt {b}\, x +\sqrt {b \,x^{2}+a}\right )}{\sqrt {b}}-\frac {3 c d e f \ln \left (\sqrt {b}\, x +\sqrt {b \,x^{2}+a}\right )}{\sqrt {b}}\right )}{f^{3}}+\frac {\left (c^{3} f^{3}-3 c^{2} e \,f^{2} d +3 c \,d^{2} e^{2} f -e^{3} d^{3}\right ) \ln \left (\frac {\frac {2 a f -2 b e}{f}-\frac {2 b \sqrt {-e f}\, \left (x +\frac {\sqrt {-e f}}{f}\right )}{f}+2 \sqrt {\frac {a f -b e}{f}}\, \sqrt {\left (x +\frac {\sqrt {-e f}}{f}\right )^{2} b -\frac {2 b \sqrt {-e f}\, \left (x +\frac {\sqrt {-e f}}{f}\right )}{f}+\frac {a f -b e}{f}}}{x +\frac {\sqrt {-e f}}{f}}\right )}{2 f^{3} \sqrt {-e f}\, \sqrt {\frac {a f -b e}{f}}}-\frac {\left (c^{3} f^{3}-3 c^{2} e \,f^{2} d +3 c \,d^{2} e^{2} f -e^{3} d^{3}\right ) \ln \left (\frac {\frac {2 a f -2 b e}{f}+\frac {2 b \sqrt {-e f}\, \left (x -\frac {\sqrt {-e f}}{f}\right )}{f}+2 \sqrt {\frac {a f -b e}{f}}\, \sqrt {\left (x -\frac {\sqrt {-e f}}{f}\right )^{2} b +\frac {2 b \sqrt {-e f}\, \left (x -\frac {\sqrt {-e f}}{f}\right )}{f}+\frac {a f -b e}{f}}}{x -\frac {\sqrt {-e f}}{f}}\right )}{2 f^{3} \sqrt {-e f}\, \sqrt {\frac {a f -b e}{f}}}\) | \(581\) |
Input:
int((d*x^2+c)^3/(b*x^2+a)^(1/2)/(f*x^2+e),x,method=_RETURNVERBOSE)
Output:
3/2*(-2/3*b^(9/2)*(c*f-d*e)^3*arctan(e*(b*x^2+a)^(1/2)/x/((a*f-b*e)*e)^(1/ 2))+(1/4*(8/3*b^2*d^2*e^2+4/3*b*d*f*(a*d-6*b*c)*e+f^2*(a^2*d^2-4*a*b*c*d+8 *b^2*c^2))*b^2*arctanh((b*x^2+a)^(1/2)/x/b^(1/2))+d*b^(5/2)*(-1/3*b*d*e-1/ 4*((-2/3*x^2*d-4*c)*b+a*d)*f)*(b*x^2+a)^(1/2)*x*f)*d*((a*f-b*e)*e)^(1/2))/ ((a*f-b*e)*e)^(1/2)/b^(9/2)/f^3
Leaf count of result is larger than twice the leaf count of optimal. 409 vs. \(2 (191) = 382\).
Time = 6.02 (sec) , antiderivative size = 1729, normalized size of antiderivative = 7.97 \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=\text {Too large to display} \] Input:
integrate((d*x^2+c)^3/(b*x^2+a)^(1/2)/(f*x^2+e),x, algorithm="fricas")
Output:
[1/16*((8*b^3*d^3*e^4 - 4*(6*b^3*c*d^2 + a*b^2*d^3)*e^3*f + (24*b^3*c^2*d + 12*a*b^2*c*d^2 - a^2*b*d^3)*e^2*f^2 - 3*(8*a*b^2*c^2*d - 4*a^2*b*c*d^2 + a^3*d^3)*e*f^3)*sqrt(b)*log(-2*b*x^2 - 2*sqrt(b*x^2 + a)*sqrt(b)*x - a) - 4*(b^3*d^3*e^3 - 3*b^3*c*d^2*e^2*f + 3*b^3*c^2*d*e*f^2 - b^3*c^3*f^3)*sqr t(b*e^2 - a*e*f)*log(((8*b^2*e^2 - 8*a*b*e*f + a^2*f^2)*x^4 + a^2*e^2 + 2* (4*a*b*e^2 - 3*a^2*e*f)*x^2 + 4*((2*b*e - a*f)*x^3 + a*e*x)*sqrt(b*e^2 - a *e*f)*sqrt(b*x^2 + a))/(f^2*x^4 + 2*e*f*x^2 + e^2)) + 2*(2*(b^3*d^3*e^2*f^ 2 - a*b^2*d^3*e*f^3)*x^3 - (4*b^3*d^3*e^3*f - (12*b^3*c*d^2 + a*b^2*d^3)*e ^2*f^2 + 3*(4*a*b^2*c*d^2 - a^2*b*d^3)*e*f^3)*x)*sqrt(b*x^2 + a))/(b^4*e^2 *f^3 - a*b^3*e*f^4), -1/8*((8*b^3*d^3*e^4 - 4*(6*b^3*c*d^2 + a*b^2*d^3)*e^ 3*f + (24*b^3*c^2*d + 12*a*b^2*c*d^2 - a^2*b*d^3)*e^2*f^2 - 3*(8*a*b^2*c^2 *d - 4*a^2*b*c*d^2 + a^3*d^3)*e*f^3)*sqrt(-b)*arctan(sqrt(-b)*x/sqrt(b*x^2 + a)) + 2*(b^3*d^3*e^3 - 3*b^3*c*d^2*e^2*f + 3*b^3*c^2*d*e*f^2 - b^3*c^3* f^3)*sqrt(b*e^2 - a*e*f)*log(((8*b^2*e^2 - 8*a*b*e*f + a^2*f^2)*x^4 + a^2* e^2 + 2*(4*a*b*e^2 - 3*a^2*e*f)*x^2 + 4*((2*b*e - a*f)*x^3 + a*e*x)*sqrt(b *e^2 - a*e*f)*sqrt(b*x^2 + a))/(f^2*x^4 + 2*e*f*x^2 + e^2)) - (2*(b^3*d^3* e^2*f^2 - a*b^2*d^3*e*f^3)*x^3 - (4*b^3*d^3*e^3*f - (12*b^3*c*d^2 + a*b^2* d^3)*e^2*f^2 + 3*(4*a*b^2*c*d^2 - a^2*b*d^3)*e*f^3)*x)*sqrt(b*x^2 + a))/(b ^4*e^2*f^3 - a*b^3*e*f^4), 1/16*(8*(b^3*d^3*e^3 - 3*b^3*c*d^2*e^2*f + 3*b^ 3*c^2*d*e*f^2 - b^3*c^3*f^3)*sqrt(-b*e^2 + a*e*f)*arctan(1/2*sqrt(-b*e^...
\[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=\int \frac {\left (c + d x^{2}\right )^{3}}{\sqrt {a + b x^{2}} \left (e + f x^{2}\right )}\, dx \] Input:
integrate((d*x**2+c)**3/(b*x**2+a)**(1/2)/(f*x**2+e),x)
Output:
Integral((c + d*x**2)**3/(sqrt(a + b*x**2)*(e + f*x**2)), x)
Exception generated. \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=\text {Exception raised: ValueError} \] Input:
integrate((d*x^2+c)^3/(b*x^2+a)^(1/2)/(f*x^2+e),x, algorithm="maxima")
Output:
Exception raised: ValueError >> Computation failed since Maxima requested additional constraints; using the 'assume' command before evaluation *may* help (example of legal syntax is 'assume(e>0)', see `assume?` for more de tails)Is e
Exception generated. \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=\text {Exception raised: TypeError} \] Input:
integrate((d*x^2+c)^3/(b*x^2+a)^(1/2)/(f*x^2+e),x, algorithm="giac")
Output:
Exception raised: TypeError >> an error occurred running a Giac command:IN PUT:sage2:=int(sage0,sageVARx):;OUTPUT:index.cc index_m i_lex_is_greater E rror: Bad Argument Value
Timed out. \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx=\int \frac {{\left (d\,x^2+c\right )}^3}{\sqrt {b\,x^2+a}\,\left (f\,x^2+e\right )} \,d x \] Input:
int((c + d*x^2)^3/((a + b*x^2)^(1/2)*(e + f*x^2)),x)
Output:
int((c + d*x^2)^3/((a + b*x^2)^(1/2)*(e + f*x^2)), x)
Time = 0.28 (sec) , antiderivative size = 984, normalized size of antiderivative = 4.53 \[ \int \frac {\left (c+d x^2\right )^3}{\sqrt {a+b x^2} \left (e+f x^2\right )} \, dx =\text {Too large to display} \] Input:
int((d*x^2+c)^3/(b*x^2+a)^(1/2)/(f*x^2+e),x)
Output:
( - 8*sqrt(e)*sqrt(a*f - b*e)*atan((sqrt(a*f - b*e) - sqrt(f)*sqrt(a + b*x **2) - sqrt(f)*sqrt(b)*x)/(sqrt(e)*sqrt(b)))*b**3*c**3*f**3 + 24*sqrt(e)*s qrt(a*f - b*e)*atan((sqrt(a*f - b*e) - sqrt(f)*sqrt(a + b*x**2) - sqrt(f)* sqrt(b)*x)/(sqrt(e)*sqrt(b)))*b**3*c**2*d*e*f**2 - 24*sqrt(e)*sqrt(a*f - b *e)*atan((sqrt(a*f - b*e) - sqrt(f)*sqrt(a + b*x**2) - sqrt(f)*sqrt(b)*x)/ (sqrt(e)*sqrt(b)))*b**3*c*d**2*e**2*f + 8*sqrt(e)*sqrt(a*f - b*e)*atan((sq rt(a*f - b*e) - sqrt(f)*sqrt(a + b*x**2) - sqrt(f)*sqrt(b)*x)/(sqrt(e)*sqr t(b)))*b**3*d**3*e**3 - 8*sqrt(e)*sqrt(a*f - b*e)*atan((sqrt(a*f - b*e) + sqrt(f)*sqrt(a + b*x**2) + sqrt(f)*sqrt(b)*x)/(sqrt(e)*sqrt(b)))*b**3*c**3 *f**3 + 24*sqrt(e)*sqrt(a*f - b*e)*atan((sqrt(a*f - b*e) + sqrt(f)*sqrt(a + b*x**2) + sqrt(f)*sqrt(b)*x)/(sqrt(e)*sqrt(b)))*b**3*c**2*d*e*f**2 - 24* sqrt(e)*sqrt(a*f - b*e)*atan((sqrt(a*f - b*e) + sqrt(f)*sqrt(a + b*x**2) + sqrt(f)*sqrt(b)*x)/(sqrt(e)*sqrt(b)))*b**3*c*d**2*e**2*f + 8*sqrt(e)*sqrt (a*f - b*e)*atan((sqrt(a*f - b*e) + sqrt(f)*sqrt(a + b*x**2) + sqrt(f)*sqr t(b)*x)/(sqrt(e)*sqrt(b)))*b**3*d**3*e**3 - 3*sqrt(a + b*x**2)*a**2*b*d**3 *e*f**3*x + 12*sqrt(a + b*x**2)*a*b**2*c*d**2*e*f**3*x - sqrt(a + b*x**2)* a*b**2*d**3*e**2*f**2*x + 2*sqrt(a + b*x**2)*a*b**2*d**3*e*f**3*x**3 - 12* sqrt(a + b*x**2)*b**3*c*d**2*e**2*f**2*x + 4*sqrt(a + b*x**2)*b**3*d**3*e* *3*f*x - 2*sqrt(a + b*x**2)*b**3*d**3*e**2*f**2*x**3 + 3*sqrt(b)*log((sqrt (a + b*x**2) + sqrt(b)*x)/sqrt(a))*a**3*d**3*e*f**3 - 12*sqrt(b)*log((s...