3.698 \(\int \frac{(d x)^{15/2}}{(a^2+2 a b x^2+b^2 x^4)^2} \, dx\)

Optimal. Leaf size=350 \[ -\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}+\frac{195 \sqrt [4]{a} d^{15/2} \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}+\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x\right )}{256 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}+\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x\right )}{256 \sqrt{2} b^{17/4}}+\frac{195 \sqrt [4]{a} d^{15/2} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}\right )}{128 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}+1\right )}{128 \sqrt{2} b^{17/4}}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}+\frac{195 d^7 \sqrt{d x}}{64 b^4} \]

[Out]

(195*d^7*Sqrt[d*x])/(64*b^4) - (d*(d*x)^(13/2))/(6*b*(a + b*x^2)^3) - (13*d^3*(d*x)^(9/2))/(48*b^2*(a + b*x^2)
^2) - (39*d^5*(d*x)^(5/2))/(64*b^3*(a + b*x^2)) + (195*a^(1/4)*d^(15/2)*ArcTan[1 - (Sqrt[2]*b^(1/4)*Sqrt[d*x])
/(a^(1/4)*Sqrt[d])])/(128*Sqrt[2]*b^(17/4)) - (195*a^(1/4)*d^(15/2)*ArcTan[1 + (Sqrt[2]*b^(1/4)*Sqrt[d*x])/(a^
(1/4)*Sqrt[d])])/(128*Sqrt[2]*b^(17/4)) + (195*a^(1/4)*d^(15/2)*Log[Sqrt[a]*Sqrt[d] + Sqrt[b]*Sqrt[d]*x - Sqrt
[2]*a^(1/4)*b^(1/4)*Sqrt[d*x]])/(256*Sqrt[2]*b^(17/4)) - (195*a^(1/4)*d^(15/2)*Log[Sqrt[a]*Sqrt[d] + Sqrt[b]*S
qrt[d]*x + Sqrt[2]*a^(1/4)*b^(1/4)*Sqrt[d*x]])/(256*Sqrt[2]*b^(17/4))

________________________________________________________________________________________

Rubi [A]  time = 0.381998, antiderivative size = 350, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 10, integrand size = 28, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.357, Rules used = {28, 288, 321, 329, 211, 1165, 628, 1162, 617, 204} \[ -\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}+\frac{195 \sqrt [4]{a} d^{15/2} \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}+\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x\right )}{256 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}+\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x\right )}{256 \sqrt{2} b^{17/4}}+\frac{195 \sqrt [4]{a} d^{15/2} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}\right )}{128 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}+1\right )}{128 \sqrt{2} b^{17/4}}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}+\frac{195 d^7 \sqrt{d x}}{64 b^4} \]

Antiderivative was successfully verified.

[In]

Int[(d*x)^(15/2)/(a^2 + 2*a*b*x^2 + b^2*x^4)^2,x]

[Out]

(195*d^7*Sqrt[d*x])/(64*b^4) - (d*(d*x)^(13/2))/(6*b*(a + b*x^2)^3) - (13*d^3*(d*x)^(9/2))/(48*b^2*(a + b*x^2)
^2) - (39*d^5*(d*x)^(5/2))/(64*b^3*(a + b*x^2)) + (195*a^(1/4)*d^(15/2)*ArcTan[1 - (Sqrt[2]*b^(1/4)*Sqrt[d*x])
/(a^(1/4)*Sqrt[d])])/(128*Sqrt[2]*b^(17/4)) - (195*a^(1/4)*d^(15/2)*ArcTan[1 + (Sqrt[2]*b^(1/4)*Sqrt[d*x])/(a^
(1/4)*Sqrt[d])])/(128*Sqrt[2]*b^(17/4)) + (195*a^(1/4)*d^(15/2)*Log[Sqrt[a]*Sqrt[d] + Sqrt[b]*Sqrt[d]*x - Sqrt
[2]*a^(1/4)*b^(1/4)*Sqrt[d*x]])/(256*Sqrt[2]*b^(17/4)) - (195*a^(1/4)*d^(15/2)*Log[Sqrt[a]*Sqrt[d] + Sqrt[b]*S
qrt[d]*x + Sqrt[2]*a^(1/4)*b^(1/4)*Sqrt[d*x]])/(256*Sqrt[2]*b^(17/4))

Rule 28

Int[(u_.)*((a_) + (c_.)*(x_)^(n2_.) + (b_.)*(x_)^(n_))^(p_.), x_Symbol] :> Dist[1/c^p, Int[u*(b/2 + c*x^n)^(2*
p), x], x] /; FreeQ[{a, b, c, n}, x] && EqQ[n2, 2*n] && EqQ[b^2 - 4*a*c, 0] && IntegerQ[p]

Rule 288

Int[((c_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[(c^(n - 1)*(c*x)^(m - n + 1)*(a + b*x^
n)^(p + 1))/(b*n*(p + 1)), x] - Dist[(c^n*(m - n + 1))/(b*n*(p + 1)), Int[(c*x)^(m - n)*(a + b*x^n)^(p + 1), x
], x] /; FreeQ[{a, b, c}, x] && IGtQ[n, 0] && LtQ[p, -1] && GtQ[m + 1, n] &&  !ILtQ[(m + n*(p + 1) + 1)/n, 0]
&& IntBinomialQ[a, b, c, n, m, p, x]

Rule 321

Int[((c_.)*(x_))^(m_)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[(c^(n - 1)*(c*x)^(m - n + 1)*(a + b*x^n
)^(p + 1))/(b*(m + n*p + 1)), x] - Dist[(a*c^n*(m - n + 1))/(b*(m + n*p + 1)), Int[(c*x)^(m - n)*(a + b*x^n)^p
, x], x] /; FreeQ[{a, b, c, p}, x] && IGtQ[n, 0] && GtQ[m, n - 1] && NeQ[m + n*p + 1, 0] && IntBinomialQ[a, b,
c, n, m, p, x]

Rule 329

Int[((c_.)*(x_))^(m_)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> With[{k = Denominator[m]}, Dist[k/c, Subst[I
nt[x^(k*(m + 1) - 1)*(a + (b*x^(k*n))/c^n)^p, x], x, (c*x)^(1/k)], x]] /; FreeQ[{a, b, c, p}, x] && IGtQ[n, 0]
&& FractionQ[m] && IntBinomialQ[a, b, c, n, m, p, x]

Rule 211

Int[((a_) + (b_.)*(x_)^4)^(-1), x_Symbol] :> With[{r = Numerator[Rt[a/b, 2]], s = Denominator[Rt[a/b, 2]]}, Di
st[1/(2*r), Int[(r - s*x^2)/(a + b*x^4), x], x] + Dist[1/(2*r), Int[(r + s*x^2)/(a + b*x^4), x], x]] /; FreeQ[
{a, b}, x] && (GtQ[a/b, 0] || (PosQ[a/b] && AtomQ[SplitProduct[SumBaseQ, a]] && AtomQ[SplitProduct[SumBaseQ, b
]]))

Rule 1165

Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[(-2*d)/e, 2]}, Dist[e/(2*c*q), Int[
(q - 2*x)/Simp[d/e + q*x - x^2, x], x], x] + Dist[e/(2*c*q), Int[(q + 2*x)/Simp[d/e - q*x - x^2, x], x], x]] /
; FreeQ[{a, c, d, e}, x] && EqQ[c*d^2 - a*e^2, 0] && NegQ[d*e]

Rule 628

Int[((d_) + (e_.)*(x_))/((a_.) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> Simp[(d*Log[RemoveContent[a + b*x +
c*x^2, x]])/b, x] /; FreeQ[{a, b, c, d, e}, x] && EqQ[2*c*d - b*e, 0]

Rule 1162

Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[(2*d)/e, 2]}, Dist[e/(2*c), Int[1/S
imp[d/e + q*x + x^2, x], x], x] + Dist[e/(2*c), Int[1/Simp[d/e - q*x + x^2, x], x], x]] /; FreeQ[{a, c, d, e},
x] && EqQ[c*d^2 - a*e^2, 0] && PosQ[d*e]

Rule 617

Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> With[{q = 1 - 4*Simplify[(a*c)/b^2]}, Dist[-2/b, Sub
st[Int[1/(q - x^2), x], x, 1 + (2*c*x)/b], x] /; RationalQ[q] && (EqQ[q^2, 1] ||  !RationalQ[b^2 - 4*a*c])] /;
FreeQ[{a, b, c}, x] && NeQ[b^2 - 4*a*c, 0]

Rule 204

Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> -Simp[ArcTan[(Rt[-b, 2]*x)/Rt[-a, 2]]/(Rt[-a, 2]*Rt[-b, 2]), x] /
; FreeQ[{a, b}, x] && PosQ[a/b] && (LtQ[a, 0] || LtQ[b, 0])

Rubi steps

\begin{align*} \int \frac{(d x)^{15/2}}{\left (a^2+2 a b x^2+b^2 x^4\right )^2} \, dx &=b^4 \int \frac{(d x)^{15/2}}{\left (a b+b^2 x^2\right )^4} \, dx\\ &=-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}+\frac{1}{12} \left (13 b^2 d^2\right ) \int \frac{(d x)^{11/2}}{\left (a b+b^2 x^2\right )^3} \, dx\\ &=-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}+\frac{1}{32} \left (39 d^4\right ) \int \frac{(d x)^{7/2}}{\left (a b+b^2 x^2\right )^2} \, dx\\ &=-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}+\frac{\left (195 d^6\right ) \int \frac{(d x)^{3/2}}{a b+b^2 x^2} \, dx}{128 b^2}\\ &=\frac{195 d^7 \sqrt{d x}}{64 b^4}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}-\frac{\left (195 a d^8\right ) \int \frac{1}{\sqrt{d x} \left (a b+b^2 x^2\right )} \, dx}{128 b^3}\\ &=\frac{195 d^7 \sqrt{d x}}{64 b^4}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}-\frac{\left (195 a d^7\right ) \operatorname{Subst}\left (\int \frac{1}{a b+\frac{b^2 x^4}{d^2}} \, dx,x,\sqrt{d x}\right )}{64 b^3}\\ &=\frac{195 d^7 \sqrt{d x}}{64 b^4}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}-\frac{\left (195 \sqrt{a} d^6\right ) \operatorname{Subst}\left (\int \frac{\sqrt{a} d-\sqrt{b} x^2}{a b+\frac{b^2 x^4}{d^2}} \, dx,x,\sqrt{d x}\right )}{128 b^3}-\frac{\left (195 \sqrt{a} d^6\right ) \operatorname{Subst}\left (\int \frac{\sqrt{a} d+\sqrt{b} x^2}{a b+\frac{b^2 x^4}{d^2}} \, dx,x,\sqrt{d x}\right )}{128 b^3}\\ &=\frac{195 d^7 \sqrt{d x}}{64 b^4}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}+\frac{\left (195 \sqrt [4]{a} d^{15/2}\right ) \operatorname{Subst}\left (\int \frac{\frac{\sqrt{2} \sqrt [4]{a} \sqrt{d}}{\sqrt [4]{b}}+2 x}{-\frac{\sqrt{a} d}{\sqrt{b}}-\frac{\sqrt{2} \sqrt [4]{a} \sqrt{d} x}{\sqrt [4]{b}}-x^2} \, dx,x,\sqrt{d x}\right )}{256 \sqrt{2} b^{17/4}}+\frac{\left (195 \sqrt [4]{a} d^{15/2}\right ) \operatorname{Subst}\left (\int \frac{\frac{\sqrt{2} \sqrt [4]{a} \sqrt{d}}{\sqrt [4]{b}}-2 x}{-\frac{\sqrt{a} d}{\sqrt{b}}+\frac{\sqrt{2} \sqrt [4]{a} \sqrt{d} x}{\sqrt [4]{b}}-x^2} \, dx,x,\sqrt{d x}\right )}{256 \sqrt{2} b^{17/4}}-\frac{\left (195 \sqrt{a} d^8\right ) \operatorname{Subst}\left (\int \frac{1}{\frac{\sqrt{a} d}{\sqrt{b}}-\frac{\sqrt{2} \sqrt [4]{a} \sqrt{d} x}{\sqrt [4]{b}}+x^2} \, dx,x,\sqrt{d x}\right )}{256 b^{9/2}}-\frac{\left (195 \sqrt{a} d^8\right ) \operatorname{Subst}\left (\int \frac{1}{\frac{\sqrt{a} d}{\sqrt{b}}+\frac{\sqrt{2} \sqrt [4]{a} \sqrt{d} x}{\sqrt [4]{b}}+x^2} \, dx,x,\sqrt{d x}\right )}{256 b^{9/2}}\\ &=\frac{195 d^7 \sqrt{d x}}{64 b^4}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}+\frac{195 \sqrt [4]{a} d^{15/2} \log \left (\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}\right )}{256 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \log \left (\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x+\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}\right )}{256 \sqrt{2} b^{17/4}}-\frac{\left (195 \sqrt [4]{a} d^{15/2}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}\right )}{128 \sqrt{2} b^{17/4}}+\frac{\left (195 \sqrt [4]{a} d^{15/2}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}\right )}{128 \sqrt{2} b^{17/4}}\\ &=\frac{195 d^7 \sqrt{d x}}{64 b^4}-\frac{d (d x)^{13/2}}{6 b \left (a+b x^2\right )^3}-\frac{13 d^3 (d x)^{9/2}}{48 b^2 \left (a+b x^2\right )^2}-\frac{39 d^5 (d x)^{5/2}}{64 b^3 \left (a+b x^2\right )}+\frac{195 \sqrt [4]{a} d^{15/2} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}\right )}{128 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \tan ^{-1}\left (1+\frac{\sqrt{2} \sqrt [4]{b} \sqrt{d x}}{\sqrt [4]{a} \sqrt{d}}\right )}{128 \sqrt{2} b^{17/4}}+\frac{195 \sqrt [4]{a} d^{15/2} \log \left (\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}\right )}{256 \sqrt{2} b^{17/4}}-\frac{195 \sqrt [4]{a} d^{15/2} \log \left (\sqrt{a} \sqrt{d}+\sqrt{b} \sqrt{d} x+\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{d x}\right )}{256 \sqrt{2} b^{17/4}}\\ \end{align*}

Mathematica [A]  time = 0.144782, size = 324, normalized size = 0.93 \[ \frac{d^7 \sqrt{d x} \left (\frac{119808 a^2 b^{5/4} x^2}{\left (a+b x^2\right )^3}-\frac{6240 a^2 \sqrt [4]{b}}{\left (a+b x^2\right )^2}+\frac{49920 a^3 \sqrt [4]{b}}{\left (a+b x^2\right )^3}+\frac{21504 b^{13/4} x^6}{\left (a+b x^2\right )^3}+\frac{93184 a b^{9/4} x^4}{\left (a+b x^2\right )^3}-\frac{10920 a \sqrt [4]{b}}{a+b x^2}+\frac{4095 \sqrt{2} \sqrt [4]{a} \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{x}+\sqrt{a}+\sqrt{b} x\right )}{\sqrt{x}}-\frac{4095 \sqrt{2} \sqrt [4]{a} \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} \sqrt{x}+\sqrt{a}+\sqrt{b} x\right )}{\sqrt{x}}+\frac{8190 \sqrt{2} \sqrt [4]{a} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} \sqrt{x}}{\sqrt [4]{a}}\right )}{\sqrt{x}}-\frac{8190 \sqrt{2} \sqrt [4]{a} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} \sqrt{x}}{\sqrt [4]{a}}+1\right )}{\sqrt{x}}\right )}{10752 b^{17/4}} \]

Antiderivative was successfully verified.

[In]

Integrate[(d*x)^(15/2)/(a^2 + 2*a*b*x^2 + b^2*x^4)^2,x]

[Out]

(d^7*Sqrt[d*x]*((49920*a^3*b^(1/4))/(a + b*x^2)^3 + (119808*a^2*b^(5/4)*x^2)/(a + b*x^2)^3 + (93184*a*b^(9/4)*
x^4)/(a + b*x^2)^3 + (21504*b^(13/4)*x^6)/(a + b*x^2)^3 - (6240*a^2*b^(1/4))/(a + b*x^2)^2 - (10920*a*b^(1/4))
/(a + b*x^2) + (8190*Sqrt[2]*a^(1/4)*ArcTan[1 - (Sqrt[2]*b^(1/4)*Sqrt[x])/a^(1/4)])/Sqrt[x] - (8190*Sqrt[2]*a^
(1/4)*ArcTan[1 + (Sqrt[2]*b^(1/4)*Sqrt[x])/a^(1/4)])/Sqrt[x] + (4095*Sqrt[2]*a^(1/4)*Log[Sqrt[a] - Sqrt[2]*a^(
1/4)*b^(1/4)*Sqrt[x] + Sqrt[b]*x])/Sqrt[x] - (4095*Sqrt[2]*a^(1/4)*Log[Sqrt[a] + Sqrt[2]*a^(1/4)*b^(1/4)*Sqrt[
x] + Sqrt[b]*x])/Sqrt[x]))/(10752*b^(17/4))

________________________________________________________________________________________

Maple [A]  time = 0.067, size = 287, normalized size = 0.8 \begin{align*} 2\,{\frac{{d}^{7}\sqrt{dx}}{{b}^{4}}}+{\frac{317\,{d}^{9}a}{192\,{b}^{2} \left ( b{d}^{2}{x}^{2}+a{d}^{2} \right ) ^{3}} \left ( dx \right ) ^{{\frac{9}{2}}}}+{\frac{81\,{d}^{11}{a}^{2}}{32\,{b}^{3} \left ( b{d}^{2}{x}^{2}+a{d}^{2} \right ) ^{3}} \left ( dx \right ) ^{{\frac{5}{2}}}}+{\frac{67\,{d}^{13}{a}^{3}}{64\,{b}^{4} \left ( b{d}^{2}{x}^{2}+a{d}^{2} \right ) ^{3}}\sqrt{dx}}-{\frac{195\,{d}^{7}\sqrt{2}}{512\,{b}^{4}}\sqrt [4]{{\frac{a{d}^{2}}{b}}}\ln \left ({ \left ( dx+\sqrt [4]{{\frac{a{d}^{2}}{b}}}\sqrt{dx}\sqrt{2}+\sqrt{{\frac{a{d}^{2}}{b}}} \right ) \left ( dx-\sqrt [4]{{\frac{a{d}^{2}}{b}}}\sqrt{dx}\sqrt{2}+\sqrt{{\frac{a{d}^{2}}{b}}} \right ) ^{-1}} \right ) }-{\frac{195\,{d}^{7}\sqrt{2}}{256\,{b}^{4}}\sqrt [4]{{\frac{a{d}^{2}}{b}}}\arctan \left ({\sqrt{2}\sqrt{dx}{\frac{1}{\sqrt [4]{{\frac{a{d}^{2}}{b}}}}}}+1 \right ) }-{\frac{195\,{d}^{7}\sqrt{2}}{256\,{b}^{4}}\sqrt [4]{{\frac{a{d}^{2}}{b}}}\arctan \left ({\sqrt{2}\sqrt{dx}{\frac{1}{\sqrt [4]{{\frac{a{d}^{2}}{b}}}}}}-1 \right ) } \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d*x)^(15/2)/(b^2*x^4+2*a*b*x^2+a^2)^2,x)

[Out]

2*d^7*(d*x)^(1/2)/b^4+317/192*d^9/b^2*a/(b*d^2*x^2+a*d^2)^3*(d*x)^(9/2)+81/32*d^11/b^3*a^2/(b*d^2*x^2+a*d^2)^3
*(d*x)^(5/2)+67/64*d^13/b^4*a^3/(b*d^2*x^2+a*d^2)^3*(d*x)^(1/2)-195/512*d^7/b^4*(a*d^2/b)^(1/4)*2^(1/2)*ln((d*
x+(a*d^2/b)^(1/4)*(d*x)^(1/2)*2^(1/2)+(a*d^2/b)^(1/2))/(d*x-(a*d^2/b)^(1/4)*(d*x)^(1/2)*2^(1/2)+(a*d^2/b)^(1/2
)))-195/256*d^7/b^4*(a*d^2/b)^(1/4)*2^(1/2)*arctan(2^(1/2)/(a*d^2/b)^(1/4)*(d*x)^(1/2)+1)-195/256*d^7/b^4*(a*d
^2/b)^(1/4)*2^(1/2)*arctan(2^(1/2)/(a*d^2/b)^(1/4)*(d*x)^(1/2)-1)

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Maxima [F(-2)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x)^(15/2)/(b^2*x^4+2*a*b*x^2+a^2)^2,x, algorithm="maxima")

[Out]

Exception raised: ValueError

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Fricas [A]  time = 1.40936, size = 826, normalized size = 2.36 \begin{align*} -\frac{2340 \, \left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{1}{4}}{\left (b^{7} x^{6} + 3 \, a b^{6} x^{4} + 3 \, a^{2} b^{5} x^{2} + a^{3} b^{4}\right )} \arctan \left (-\frac{\left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{3}{4}} \sqrt{d x} b^{13} d^{7} - \sqrt{d^{15} x + \sqrt{-\frac{a d^{30}}{b^{17}}} b^{8}} \left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{3}{4}} b^{13}}{a d^{30}}\right ) + 585 \, \left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{1}{4}}{\left (b^{7} x^{6} + 3 \, a b^{6} x^{4} + 3 \, a^{2} b^{5} x^{2} + a^{3} b^{4}\right )} \log \left (195 \, \sqrt{d x} d^{7} + 195 \, \left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{1}{4}} b^{4}\right ) - 585 \, \left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{1}{4}}{\left (b^{7} x^{6} + 3 \, a b^{6} x^{4} + 3 \, a^{2} b^{5} x^{2} + a^{3} b^{4}\right )} \log \left (195 \, \sqrt{d x} d^{7} - 195 \, \left (-\frac{a d^{30}}{b^{17}}\right )^{\frac{1}{4}} b^{4}\right ) - 4 \,{\left (384 \, b^{3} d^{7} x^{6} + 1469 \, a b^{2} d^{7} x^{4} + 1638 \, a^{2} b d^{7} x^{2} + 585 \, a^{3} d^{7}\right )} \sqrt{d x}}{768 \,{\left (b^{7} x^{6} + 3 \, a b^{6} x^{4} + 3 \, a^{2} b^{5} x^{2} + a^{3} b^{4}\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x)^(15/2)/(b^2*x^4+2*a*b*x^2+a^2)^2,x, algorithm="fricas")

[Out]

-1/768*(2340*(-a*d^30/b^17)^(1/4)*(b^7*x^6 + 3*a*b^6*x^4 + 3*a^2*b^5*x^2 + a^3*b^4)*arctan(-((-a*d^30/b^17)^(3
/4)*sqrt(d*x)*b^13*d^7 - sqrt(d^15*x + sqrt(-a*d^30/b^17)*b^8)*(-a*d^30/b^17)^(3/4)*b^13)/(a*d^30)) + 585*(-a*
d^30/b^17)^(1/4)*(b^7*x^6 + 3*a*b^6*x^4 + 3*a^2*b^5*x^2 + a^3*b^4)*log(195*sqrt(d*x)*d^7 + 195*(-a*d^30/b^17)^
(1/4)*b^4) - 585*(-a*d^30/b^17)^(1/4)*(b^7*x^6 + 3*a*b^6*x^4 + 3*a^2*b^5*x^2 + a^3*b^4)*log(195*sqrt(d*x)*d^7
- 195*(-a*d^30/b^17)^(1/4)*b^4) - 4*(384*b^3*d^7*x^6 + 1469*a*b^2*d^7*x^4 + 1638*a^2*b*d^7*x^2 + 585*a^3*d^7)*
sqrt(d*x))/(b^7*x^6 + 3*a*b^6*x^4 + 3*a^2*b^5*x^2 + a^3*b^4)

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Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x)**(15/2)/(b**2*x**4+2*a*b*x**2+a**2)**2,x)

[Out]

Timed out

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Giac [A]  time = 1.31077, size = 414, normalized size = 1.18 \begin{align*} -\frac{1}{1536} \, d^{6}{\left (\frac{1170 \, \sqrt{2} \left (a b^{3} d^{2}\right )^{\frac{1}{4}} d \arctan \left (\frac{\sqrt{2}{\left (\sqrt{2} \left (\frac{a d^{2}}{b}\right )^{\frac{1}{4}} + 2 \, \sqrt{d x}\right )}}{2 \, \left (\frac{a d^{2}}{b}\right )^{\frac{1}{4}}}\right )}{b^{5}} + \frac{1170 \, \sqrt{2} \left (a b^{3} d^{2}\right )^{\frac{1}{4}} d \arctan \left (-\frac{\sqrt{2}{\left (\sqrt{2} \left (\frac{a d^{2}}{b}\right )^{\frac{1}{4}} - 2 \, \sqrt{d x}\right )}}{2 \, \left (\frac{a d^{2}}{b}\right )^{\frac{1}{4}}}\right )}{b^{5}} + \frac{585 \, \sqrt{2} \left (a b^{3} d^{2}\right )^{\frac{1}{4}} d \log \left (d x + \sqrt{2} \left (\frac{a d^{2}}{b}\right )^{\frac{1}{4}} \sqrt{d x} + \sqrt{\frac{a d^{2}}{b}}\right )}{b^{5}} - \frac{585 \, \sqrt{2} \left (a b^{3} d^{2}\right )^{\frac{1}{4}} d \log \left (d x - \sqrt{2} \left (\frac{a d^{2}}{b}\right )^{\frac{1}{4}} \sqrt{d x} + \sqrt{\frac{a d^{2}}{b}}\right )}{b^{5}} - \frac{3072 \, \sqrt{d x} d}{b^{4}} - \frac{8 \,{\left (317 \, \sqrt{d x} a b^{2} d^{7} x^{4} + 486 \, \sqrt{d x} a^{2} b d^{7} x^{2} + 201 \, \sqrt{d x} a^{3} d^{7}\right )}}{{\left (b d^{2} x^{2} + a d^{2}\right )}^{3} b^{4}}\right )} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x)^(15/2)/(b^2*x^4+2*a*b*x^2+a^2)^2,x, algorithm="giac")

[Out]

-1/1536*d^6*(1170*sqrt(2)*(a*b^3*d^2)^(1/4)*d*arctan(1/2*sqrt(2)*(sqrt(2)*(a*d^2/b)^(1/4) + 2*sqrt(d*x))/(a*d^
2/b)^(1/4))/b^5 + 1170*sqrt(2)*(a*b^3*d^2)^(1/4)*d*arctan(-1/2*sqrt(2)*(sqrt(2)*(a*d^2/b)^(1/4) - 2*sqrt(d*x))
/(a*d^2/b)^(1/4))/b^5 + 585*sqrt(2)*(a*b^3*d^2)^(1/4)*d*log(d*x + sqrt(2)*(a*d^2/b)^(1/4)*sqrt(d*x) + sqrt(a*d
^2/b))/b^5 - 585*sqrt(2)*(a*b^3*d^2)^(1/4)*d*log(d*x - sqrt(2)*(a*d^2/b)^(1/4)*sqrt(d*x) + sqrt(a*d^2/b))/b^5
- 3072*sqrt(d*x)*d/b^4 - 8*(317*sqrt(d*x)*a*b^2*d^7*x^4 + 486*sqrt(d*x)*a^2*b*d^7*x^2 + 201*sqrt(d*x)*a^3*d^7)
/((b*d^2*x^2 + a*d^2)^3*b^4))