Integrand size = 29, antiderivative size = 213 \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=-\frac {63 (A b-11 a B) \sqrt {x}}{128 a b^6}+\frac {(A b-a B) x^{11/2}}{5 a b (a+b x)^5}+\frac {(A b-11 a B) x^{9/2}}{40 a b^2 (a+b x)^4}+\frac {3 (A b-11 a B) x^{7/2}}{80 a b^3 (a+b x)^3}+\frac {21 (A b-11 a B) x^{5/2}}{320 a b^4 (a+b x)^2}+\frac {21 (A b-11 a B) x^{3/2}}{128 a b^5 (a+b x)}+\frac {63 (A b-11 a B) \arctan \left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{128 \sqrt {a} b^{13/2}} \]
1/5*(A*b-B*a)*x^(11/2)/a/b/(b*x+a)^5+1/40*(A*b-11*B*a)*x^(9/2)/a/b^2/(b*x+ a)^4+3/80*(A*b-11*B*a)*x^(7/2)/a/b^3/(b*x+a)^3+21/320*(A*b-11*B*a)*x^(5/2) /a/b^4/(b*x+a)^2+21/128*(A*b-11*B*a)*x^(3/2)/a/b^5/(b*x+a)+63/128*(A*b-11* B*a)*arctan(b^(1/2)*x^(1/2)/a^(1/2))/b^(13/2)/a^(1/2)-63/128*(A*b-11*B*a)* x^(1/2)/a/b^6
Time = 0.35 (sec) , antiderivative size = 150, normalized size of antiderivative = 0.70 \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=\frac {\frac {\sqrt {b} \sqrt {x} \left (3465 a^5 B-105 a^4 b (3 A-154 B x)+5 b^5 x^4 (-193 A+256 B x)+42 a^3 b^2 x (-35 A+704 B x)+5 a b^4 x^3 (-474 A+2123 B x)+6 a^2 b^3 x^2 (-448 A+4345 B x)\right )}{(a+b x)^5}+\frac {315 (A b-11 a B) \arctan \left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{\sqrt {a}}}{640 b^{13/2}} \]
((Sqrt[b]*Sqrt[x]*(3465*a^5*B - 105*a^4*b*(3*A - 154*B*x) + 5*b^5*x^4*(-19 3*A + 256*B*x) + 42*a^3*b^2*x*(-35*A + 704*B*x) + 5*a*b^4*x^3*(-474*A + 21 23*B*x) + 6*a^2*b^3*x^2*(-448*A + 4345*B*x)))/(a + b*x)^5 + (315*(A*b - 11 *a*B)*ArcTan[(Sqrt[b]*Sqrt[x])/Sqrt[a]])/Sqrt[a])/(640*b^(13/2))
Time = 0.28 (sec) , antiderivative size = 195, normalized size of antiderivative = 0.92, number of steps used = 11, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.345, Rules used = {1184, 27, 87, 51, 51, 51, 51, 60, 73, 218}
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.
| \(\displaystyle \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx\) |
| \(\Big \downarrow \) 1184 |
| \(\displaystyle b^6 \int \frac {x^{9/2} (A+B x)}{b^6 (a+b x)^6}dx\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \int \frac {x^{9/2} (A+B x)}{(a+b x)^6}dx\) |
| \(\Big \downarrow \) 87 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \int \frac {x^{9/2}}{(a+b x)^5}dx}{10 a b}\) |
| \(\Big \downarrow \) 51 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \int \frac {x^{7/2}}{(a+b x)^4}dx}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
| \(\Big \downarrow \) 51 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \left (\frac {7 \int \frac {x^{5/2}}{(a+b x)^3}dx}{6 b}-\frac {x^{7/2}}{3 b (a+b x)^3}\right )}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
| \(\Big \downarrow \) 51 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \left (\frac {7 \left (\frac {5 \int \frac {x^{3/2}}{(a+b x)^2}dx}{4 b}-\frac {x^{5/2}}{2 b (a+b x)^2}\right )}{6 b}-\frac {x^{7/2}}{3 b (a+b x)^3}\right )}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
| \(\Big \downarrow \) 51 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \left (\frac {7 \left (\frac {5 \left (\frac {3 \int \frac {\sqrt {x}}{a+b x}dx}{2 b}-\frac {x^{3/2}}{b (a+b x)}\right )}{4 b}-\frac {x^{5/2}}{2 b (a+b x)^2}\right )}{6 b}-\frac {x^{7/2}}{3 b (a+b x)^3}\right )}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
| \(\Big \downarrow \) 60 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \left (\frac {7 \left (\frac {5 \left (\frac {3 \left (\frac {2 \sqrt {x}}{b}-\frac {a \int \frac {1}{\sqrt {x} (a+b x)}dx}{b}\right )}{2 b}-\frac {x^{3/2}}{b (a+b x)}\right )}{4 b}-\frac {x^{5/2}}{2 b (a+b x)^2}\right )}{6 b}-\frac {x^{7/2}}{3 b (a+b x)^3}\right )}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
| \(\Big \downarrow \) 73 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \left (\frac {7 \left (\frac {5 \left (\frac {3 \left (\frac {2 \sqrt {x}}{b}-\frac {2 a \int \frac {1}{a+b x}d\sqrt {x}}{b}\right )}{2 b}-\frac {x^{3/2}}{b (a+b x)}\right )}{4 b}-\frac {x^{5/2}}{2 b (a+b x)^2}\right )}{6 b}-\frac {x^{7/2}}{3 b (a+b x)^3}\right )}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
| \(\Big \downarrow \) 218 |
| \(\displaystyle \frac {x^{11/2} (A b-a B)}{5 a b (a+b x)^5}-\frac {(A b-11 a B) \left (\frac {9 \left (\frac {7 \left (\frac {5 \left (\frac {3 \left (\frac {2 \sqrt {x}}{b}-\frac {2 \sqrt {a} \arctan \left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{b^{3/2}}\right )}{2 b}-\frac {x^{3/2}}{b (a+b x)}\right )}{4 b}-\frac {x^{5/2}}{2 b (a+b x)^2}\right )}{6 b}-\frac {x^{7/2}}{3 b (a+b x)^3}\right )}{8 b}-\frac {x^{9/2}}{4 b (a+b x)^4}\right )}{10 a b}\) |
((A*b - a*B)*x^(11/2))/(5*a*b*(a + b*x)^5) - ((A*b - 11*a*B)*(-1/4*x^(9/2) /(b*(a + b*x)^4) + (9*(-1/3*x^(7/2)/(b*(a + b*x)^3) + (7*(-1/2*x^(5/2)/(b* (a + b*x)^2) + (5*(-(x^(3/2)/(b*(a + b*x))) + (3*((2*Sqrt[x])/b - (2*Sqrt[ a]*ArcTan[(Sqrt[b]*Sqrt[x])/Sqrt[a]])/b^(3/2)))/(2*b)))/(4*b)))/(6*b)))/(8 *b)))/(10*a*b)
3.8.74.3.1 Defintions of rubi rules used
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[ (a + b*x)^(m + 1)*((c + d*x)^n/(b*(m + 1))), x] - Simp[d*(n/(b*(m + 1))) Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, c, d, n}, x ] && ILtQ[m, -1] && FractionQ[n] && GtQ[n, 0]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[ (a + b*x)^(m + 1)*((c + d*x)^n/(b*(m + n + 1))), x] + Simp[n*((b*c - a*d)/( b*(m + n + 1))) Int[(a + b*x)^m*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, c, d}, x] && GtQ[n, 0] && NeQ[m + n + 1, 0] && !(IGtQ[m, 0] && ( !Integer Q[n] || (GtQ[m, 0] && LtQ[m - n, 0]))) && !ILtQ[m + n + 2, 0] && IntLinear Q[a, b, c, d, m, n, x]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> With[ {p = Denominator[m]}, Simp[p/b Subst[Int[x^(p*(m + 1) - 1)*(c - a*(d/b) + d*(x^p/b))^n, x], x, (a + b*x)^(1/p)], x]] /; FreeQ[{a, b, c, d}, x] && Lt Q[-1, m, 0] && LeQ[-1, n, 0] && LeQ[Denominator[n], Denominator[m]] && IntL inearQ[a, b, c, d, m, n, x]
Int[((a_.) + (b_.)*(x_))*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p _.), x_] :> Simp[(-(b*e - a*f))*(c + d*x)^(n + 1)*((e + f*x)^(p + 1)/(f*(p + 1)*(c*f - d*e))), x] - Simp[(a*d*f*(n + p + 2) - b*(d*e*(n + 1) + c*f*(p + 1)))/(f*(p + 1)*(c*f - d*e)) Int[(c + d*x)^n*(e + f*x)^(p + 1), x], x] /; FreeQ[{a, b, c, d, e, f, n}, x] && LtQ[p, -1] && ( !LtQ[n, -1] || Intege rQ[p] || !(IntegerQ[n] || !(EqQ[e, 0] || !(EqQ[c, 0] || LtQ[p, n]))))
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(Rt[a/b, 2]/a)*ArcTan[x/R t[a/b, 2]], x] /; FreeQ[{a, b}, x] && PosQ[a/b]
Int[((d_.) + (e_.)*(x_))^(m_.)*((f_.) + (g_.)*(x_))^(n_.)*((a_) + (b_.)*(x_ ) + (c_.)*(x_)^2)^(p_.), x_Symbol] :> Simp[1/c^p Int[(d + e*x)^m*(f + g*x )^n*(b/2 + c*x)^(2*p), x], x] /; FreeQ[{a, b, c, d, e, f, g, m, n}, x] && E qQ[b^2 - 4*a*c, 0] && IntegerQ[p]
Time = 2.03 (sec) , antiderivative size = 150, normalized size of antiderivative = 0.70
| method | result | size |
| derivativedivides | \(\frac {2 B \sqrt {x}}{b^{6}}+\frac {\frac {2 \left (\left (-\frac {193}{256} A \,b^{5}+\frac {843}{256} B a \,b^{4}\right ) x^{\frac {9}{2}}+\left (\frac {1327}{128} B \,a^{2} b^{3}-\frac {237}{128} A a \,b^{4}\right ) x^{\frac {7}{2}}+\left (\frac {131}{10} B \,a^{3} b^{2}-\frac {21}{10} A \,a^{2} b^{3}\right ) x^{\frac {5}{2}}-\frac {a^{3} b \left (147 A b -977 B a \right ) x^{\frac {3}{2}}}{128}+\left (\frac {437}{256} a^{5} B -\frac {63}{256} A \,a^{4} b \right ) \sqrt {x}\right )}{\left (b x +a \right )^{5}}+\frac {63 \left (A b -11 B a \right ) \arctan \left (\frac {b \sqrt {x}}{\sqrt {b a}}\right )}{128 \sqrt {b a}}}{b^{6}}\) | \(150\) |
| default | \(\frac {2 B \sqrt {x}}{b^{6}}+\frac {\frac {2 \left (\left (-\frac {193}{256} A \,b^{5}+\frac {843}{256} B a \,b^{4}\right ) x^{\frac {9}{2}}+\left (\frac {1327}{128} B \,a^{2} b^{3}-\frac {237}{128} A a \,b^{4}\right ) x^{\frac {7}{2}}+\left (\frac {131}{10} B \,a^{3} b^{2}-\frac {21}{10} A \,a^{2} b^{3}\right ) x^{\frac {5}{2}}-\frac {a^{3} b \left (147 A b -977 B a \right ) x^{\frac {3}{2}}}{128}+\left (\frac {437}{256} a^{5} B -\frac {63}{256} A \,a^{4} b \right ) \sqrt {x}\right )}{\left (b x +a \right )^{5}}+\frac {63 \left (A b -11 B a \right ) \arctan \left (\frac {b \sqrt {x}}{\sqrt {b a}}\right )}{128 \sqrt {b a}}}{b^{6}}\) | \(150\) |
| risch | \(\frac {2 B \sqrt {x}}{b^{6}}+\frac {\frac {2 \left (-\frac {193}{256} A \,b^{5}+\frac {843}{256} B a \,b^{4}\right ) x^{\frac {9}{2}}+2 \left (\frac {1327}{128} B \,a^{2} b^{3}-\frac {237}{128} A a \,b^{4}\right ) x^{\frac {7}{2}}+2 \left (\frac {131}{10} B \,a^{3} b^{2}-\frac {21}{10} A \,a^{2} b^{3}\right ) x^{\frac {5}{2}}-\frac {a^{3} b \left (147 A b -977 B a \right ) x^{\frac {3}{2}}}{64}+2 \left (\frac {437}{256} a^{5} B -\frac {63}{256} A \,a^{4} b \right ) \sqrt {x}}{\left (b x +a \right )^{5}}+\frac {63 \left (A b -11 B a \right ) \arctan \left (\frac {b \sqrt {x}}{\sqrt {b a}}\right )}{128 \sqrt {b a}}}{b^{6}}\) | \(150\) |
2*B/b^6*x^(1/2)+2/b^6*(((-193/256*A*b^5+843/256*B*a*b^4)*x^(9/2)+(1327/128 *B*a^2*b^3-237/128*A*a*b^4)*x^(7/2)+(131/10*B*a^3*b^2-21/10*A*a^2*b^3)*x^( 5/2)-1/128*a^3*b*(147*A*b-977*B*a)*x^(3/2)+(437/256*a^5*B-63/256*A*a^4*b)* x^(1/2))/(b*x+a)^5+63/256*(A*b-11*B*a)/(b*a)^(1/2)*arctan(b*x^(1/2)/(b*a)^ (1/2)))
Time = 0.41 (sec) , antiderivative size = 673, normalized size of antiderivative = 3.16 \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=\left [\frac {315 \, {\left (11 \, B a^{6} - A a^{5} b + {\left (11 \, B a b^{5} - A b^{6}\right )} x^{5} + 5 \, {\left (11 \, B a^{2} b^{4} - A a b^{5}\right )} x^{4} + 10 \, {\left (11 \, B a^{3} b^{3} - A a^{2} b^{4}\right )} x^{3} + 10 \, {\left (11 \, B a^{4} b^{2} - A a^{3} b^{3}\right )} x^{2} + 5 \, {\left (11 \, B a^{5} b - A a^{4} b^{2}\right )} x\right )} \sqrt {-a b} \log \left (\frac {b x - a - 2 \, \sqrt {-a b} \sqrt {x}}{b x + a}\right ) + 2 \, {\left (1280 \, B a b^{6} x^{5} + 3465 \, B a^{6} b - 315 \, A a^{5} b^{2} + 965 \, {\left (11 \, B a^{2} b^{5} - A a b^{6}\right )} x^{4} + 2370 \, {\left (11 \, B a^{3} b^{4} - A a^{2} b^{5}\right )} x^{3} + 2688 \, {\left (11 \, B a^{4} b^{3} - A a^{3} b^{4}\right )} x^{2} + 1470 \, {\left (11 \, B a^{5} b^{2} - A a^{4} b^{3}\right )} x\right )} \sqrt {x}}{1280 \, {\left (a b^{12} x^{5} + 5 \, a^{2} b^{11} x^{4} + 10 \, a^{3} b^{10} x^{3} + 10 \, a^{4} b^{9} x^{2} + 5 \, a^{5} b^{8} x + a^{6} b^{7}\right )}}, \frac {315 \, {\left (11 \, B a^{6} - A a^{5} b + {\left (11 \, B a b^{5} - A b^{6}\right )} x^{5} + 5 \, {\left (11 \, B a^{2} b^{4} - A a b^{5}\right )} x^{4} + 10 \, {\left (11 \, B a^{3} b^{3} - A a^{2} b^{4}\right )} x^{3} + 10 \, {\left (11 \, B a^{4} b^{2} - A a^{3} b^{3}\right )} x^{2} + 5 \, {\left (11 \, B a^{5} b - A a^{4} b^{2}\right )} x\right )} \sqrt {a b} \arctan \left (\frac {\sqrt {a b}}{b \sqrt {x}}\right ) + {\left (1280 \, B a b^{6} x^{5} + 3465 \, B a^{6} b - 315 \, A a^{5} b^{2} + 965 \, {\left (11 \, B a^{2} b^{5} - A a b^{6}\right )} x^{4} + 2370 \, {\left (11 \, B a^{3} b^{4} - A a^{2} b^{5}\right )} x^{3} + 2688 \, {\left (11 \, B a^{4} b^{3} - A a^{3} b^{4}\right )} x^{2} + 1470 \, {\left (11 \, B a^{5} b^{2} - A a^{4} b^{3}\right )} x\right )} \sqrt {x}}{640 \, {\left (a b^{12} x^{5} + 5 \, a^{2} b^{11} x^{4} + 10 \, a^{3} b^{10} x^{3} + 10 \, a^{4} b^{9} x^{2} + 5 \, a^{5} b^{8} x + a^{6} b^{7}\right )}}\right ] \]
[1/1280*(315*(11*B*a^6 - A*a^5*b + (11*B*a*b^5 - A*b^6)*x^5 + 5*(11*B*a^2* b^4 - A*a*b^5)*x^4 + 10*(11*B*a^3*b^3 - A*a^2*b^4)*x^3 + 10*(11*B*a^4*b^2 - A*a^3*b^3)*x^2 + 5*(11*B*a^5*b - A*a^4*b^2)*x)*sqrt(-a*b)*log((b*x - a - 2*sqrt(-a*b)*sqrt(x))/(b*x + a)) + 2*(1280*B*a*b^6*x^5 + 3465*B*a^6*b - 3 15*A*a^5*b^2 + 965*(11*B*a^2*b^5 - A*a*b^6)*x^4 + 2370*(11*B*a^3*b^4 - A*a ^2*b^5)*x^3 + 2688*(11*B*a^4*b^3 - A*a^3*b^4)*x^2 + 1470*(11*B*a^5*b^2 - A *a^4*b^3)*x)*sqrt(x))/(a*b^12*x^5 + 5*a^2*b^11*x^4 + 10*a^3*b^10*x^3 + 10* a^4*b^9*x^2 + 5*a^5*b^8*x + a^6*b^7), 1/640*(315*(11*B*a^6 - A*a^5*b + (11 *B*a*b^5 - A*b^6)*x^5 + 5*(11*B*a^2*b^4 - A*a*b^5)*x^4 + 10*(11*B*a^3*b^3 - A*a^2*b^4)*x^3 + 10*(11*B*a^4*b^2 - A*a^3*b^3)*x^2 + 5*(11*B*a^5*b - A*a ^4*b^2)*x)*sqrt(a*b)*arctan(sqrt(a*b)/(b*sqrt(x))) + (1280*B*a*b^6*x^5 + 3 465*B*a^6*b - 315*A*a^5*b^2 + 965*(11*B*a^2*b^5 - A*a*b^6)*x^4 + 2370*(11* B*a^3*b^4 - A*a^2*b^5)*x^3 + 2688*(11*B*a^4*b^3 - A*a^3*b^4)*x^2 + 1470*(1 1*B*a^5*b^2 - A*a^4*b^3)*x)*sqrt(x))/(a*b^12*x^5 + 5*a^2*b^11*x^4 + 10*a^3 *b^10*x^3 + 10*a^4*b^9*x^2 + 5*a^5*b^8*x + a^6*b^7)]
Timed out. \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=\text {Timed out} \]
Time = 0.29 (sec) , antiderivative size = 206, normalized size of antiderivative = 0.97 \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=\frac {5 \, {\left (843 \, B a b^{4} - 193 \, A b^{5}\right )} x^{\frac {9}{2}} + 10 \, {\left (1327 \, B a^{2} b^{3} - 237 \, A a b^{4}\right )} x^{\frac {7}{2}} + 128 \, {\left (131 \, B a^{3} b^{2} - 21 \, A a^{2} b^{3}\right )} x^{\frac {5}{2}} + 10 \, {\left (977 \, B a^{4} b - 147 \, A a^{3} b^{2}\right )} x^{\frac {3}{2}} + 5 \, {\left (437 \, B a^{5} - 63 \, A a^{4} b\right )} \sqrt {x}}{640 \, {\left (b^{11} x^{5} + 5 \, a b^{10} x^{4} + 10 \, a^{2} b^{9} x^{3} + 10 \, a^{3} b^{8} x^{2} + 5 \, a^{4} b^{7} x + a^{5} b^{6}\right )}} + \frac {2 \, B \sqrt {x}}{b^{6}} - \frac {63 \, {\left (11 \, B a - A b\right )} \arctan \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{128 \, \sqrt {a b} b^{6}} \]
1/640*(5*(843*B*a*b^4 - 193*A*b^5)*x^(9/2) + 10*(1327*B*a^2*b^3 - 237*A*a* b^4)*x^(7/2) + 128*(131*B*a^3*b^2 - 21*A*a^2*b^3)*x^(5/2) + 10*(977*B*a^4* b - 147*A*a^3*b^2)*x^(3/2) + 5*(437*B*a^5 - 63*A*a^4*b)*sqrt(x))/(b^11*x^5 + 5*a*b^10*x^4 + 10*a^2*b^9*x^3 + 10*a^3*b^8*x^2 + 5*a^4*b^7*x + a^5*b^6) + 2*B*sqrt(x)/b^6 - 63/128*(11*B*a - A*b)*arctan(b*sqrt(x)/sqrt(a*b))/(sq rt(a*b)*b^6)
Time = 0.28 (sec) , antiderivative size = 159, normalized size of antiderivative = 0.75 \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=\frac {2 \, B \sqrt {x}}{b^{6}} - \frac {63 \, {\left (11 \, B a - A b\right )} \arctan \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{128 \, \sqrt {a b} b^{6}} + \frac {4215 \, B a b^{4} x^{\frac {9}{2}} - 965 \, A b^{5} x^{\frac {9}{2}} + 13270 \, B a^{2} b^{3} x^{\frac {7}{2}} - 2370 \, A a b^{4} x^{\frac {7}{2}} + 16768 \, B a^{3} b^{2} x^{\frac {5}{2}} - 2688 \, A a^{2} b^{3} x^{\frac {5}{2}} + 9770 \, B a^{4} b x^{\frac {3}{2}} - 1470 \, A a^{3} b^{2} x^{\frac {3}{2}} + 2185 \, B a^{5} \sqrt {x} - 315 \, A a^{4} b \sqrt {x}}{640 \, {\left (b x + a\right )}^{5} b^{6}} \]
2*B*sqrt(x)/b^6 - 63/128*(11*B*a - A*b)*arctan(b*sqrt(x)/sqrt(a*b))/(sqrt( a*b)*b^6) + 1/640*(4215*B*a*b^4*x^(9/2) - 965*A*b^5*x^(9/2) + 13270*B*a^2* b^3*x^(7/2) - 2370*A*a*b^4*x^(7/2) + 16768*B*a^3*b^2*x^(5/2) - 2688*A*a^2* b^3*x^(5/2) + 9770*B*a^4*b*x^(3/2) - 1470*A*a^3*b^2*x^(3/2) + 2185*B*a^5*s qrt(x) - 315*A*a^4*b*sqrt(x))/((b*x + a)^5*b^6)
Time = 0.19 (sec) , antiderivative size = 200, normalized size of antiderivative = 0.94 \[ \int \frac {x^{9/2} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^3} \, dx=\frac {2\,B\,\sqrt {x}}{b^6}-\frac {x^{3/2}\,\left (\frac {147\,A\,a^3\,b^2}{64}-\frac {977\,B\,a^4\,b}{64}\right )-x^{7/2}\,\left (\frac {1327\,B\,a^2\,b^3}{64}-\frac {237\,A\,a\,b^4}{64}\right )-\sqrt {x}\,\left (\frac {437\,B\,a^5}{128}-\frac {63\,A\,a^4\,b}{128}\right )+x^{9/2}\,\left (\frac {193\,A\,b^5}{128}-\frac {843\,B\,a\,b^4}{128}\right )+x^{5/2}\,\left (\frac {21\,A\,a^2\,b^3}{5}-\frac {131\,B\,a^3\,b^2}{5}\right )}{a^5\,b^6+5\,a^4\,b^7\,x+10\,a^3\,b^8\,x^2+10\,a^2\,b^9\,x^3+5\,a\,b^{10}\,x^4+b^{11}\,x^5}+\frac {63\,\mathrm {atan}\left (\frac {\sqrt {b}\,\sqrt {x}}{\sqrt {a}}\right )\,\left (A\,b-11\,B\,a\right )}{128\,\sqrt {a}\,b^{13/2}} \]
(2*B*x^(1/2))/b^6 - (x^(3/2)*((147*A*a^3*b^2)/64 - (977*B*a^4*b)/64) - x^( 7/2)*((1327*B*a^2*b^3)/64 - (237*A*a*b^4)/64) - x^(1/2)*((437*B*a^5)/128 - (63*A*a^4*b)/128) + x^(9/2)*((193*A*b^5)/128 - (843*B*a*b^4)/128) + x^(5/ 2)*((21*A*a^2*b^3)/5 - (131*B*a^3*b^2)/5))/(a^5*b^6 + b^11*x^5 + 5*a^4*b^7 *x + 5*a*b^10*x^4 + 10*a^3*b^8*x^2 + 10*a^2*b^9*x^3) + (63*atan((b^(1/2)*x ^(1/2))/a^(1/2))*(A*b - 11*B*a))/(128*a^(1/2)*b^(13/2))