Integrand size = 28, antiderivative size = 156 \[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=-\frac {2 (1-2 x)^{5/2} \sqrt {3+5 x}}{15 (2+3 x)^{5/2}}+\frac {2 (1-2 x)^{3/2} \sqrt {3+5 x}}{3 (2+3 x)^{3/2}}+\frac {8 \sqrt {1-2 x} \sqrt {3+5 x}}{\sqrt {2+3 x}}-\frac {12}{5} \sqrt {33} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )-\frac {4}{5} \sqrt {\frac {11}{3}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right ) \]
-4/15*EllipticF(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33^(1/2)-12/5* EllipticE(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33^(1/2)-2/15*(1-2*x )^(5/2)*(3+5*x)^(1/2)/(2+3*x)^(5/2)+2/3*(1-2*x)^(3/2)*(3+5*x)^(1/2)/(2+3*x )^(3/2)+8*(1-2*x)^(1/2)*(3+5*x)^(1/2)/(2+3*x)^(1/2)
Result contains complex when optimal does not.
Time = 7.71 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.60 \[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=\frac {2}{15} \left (\frac {\sqrt {1-2 x} \sqrt {3+5 x} \left (249+719 x+506 x^2\right )}{(2+3 x)^{5/2}}+2 i \sqrt {33} \left (9 E\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right )|-\frac {2}{33}\right )-10 \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right ),-\frac {2}{33}\right )\right )\right ) \]
(2*((Sqrt[1 - 2*x]*Sqrt[3 + 5*x]*(249 + 719*x + 506*x^2))/(2 + 3*x)^(5/2) + (2*I)*Sqrt[33]*(9*EllipticE[I*ArcSinh[Sqrt[9 + 15*x]], -2/33] - 10*Ellip ticF[I*ArcSinh[Sqrt[9 + 15*x]], -2/33])))/15
Time = 0.24 (sec) , antiderivative size = 162, normalized size of antiderivative = 1.04, number of steps used = 9, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.321, Rules used = {108, 27, 167, 27, 167, 27, 176, 123, 129}
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.
| \(\displaystyle \int \frac {(1-2 x)^{5/2} \sqrt {5 x+3}}{(3 x+2)^{7/2}} \, dx\) |
| \(\Big \downarrow \) 108 |
| \(\displaystyle \frac {2}{15} \int -\frac {5 (1-2 x)^{3/2} (12 x+5)}{2 (3 x+2)^{5/2} \sqrt {5 x+3}}dx-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle -\frac {1}{3} \int \frac {(1-2 x)^{3/2} (12 x+5)}{(3 x+2)^{5/2} \sqrt {5 x+3}}dx-\frac {2 \sqrt {5 x+3} (1-2 x)^{5/2}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 167 |
| \(\displaystyle \frac {1}{3} \left (\frac {2}{9} \int \frac {27 \sqrt {1-2 x} (3 x+4)}{(3 x+2)^{3/2} \sqrt {5 x+3}}dx+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{3} \left (6 \int \frac {\sqrt {1-2 x} (3 x+4)}{(3 x+2)^{3/2} \sqrt {5 x+3}}dx+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 167 |
| \(\displaystyle \frac {1}{3} \left (6 \left (\frac {4 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}-\frac {2}{3} \int -\frac {3 (18 x+13)}{2 \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx\right )+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{3} \left (6 \left (\int \frac {18 x+13}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx+\frac {4 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}\right )+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 176 |
| \(\displaystyle \frac {1}{3} \left (6 \left (\frac {11}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx+\frac {18}{5} \int \frac {\sqrt {5 x+3}}{\sqrt {1-2 x} \sqrt {3 x+2}}dx+\frac {4 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}\right )+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 123 |
| \(\displaystyle \frac {1}{3} \left (6 \left (\frac {11}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {6}{5} \sqrt {33} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )+\frac {4 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}\right )+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
| \(\Big \downarrow \) 129 |
| \(\displaystyle \frac {1}{3} \left (6 \left (-\frac {2}{5} \sqrt {\frac {11}{3}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )-\frac {6}{5} \sqrt {33} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )+\frac {4 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}\right )+\frac {2 \sqrt {5 x+3} (1-2 x)^{3/2}}{(3 x+2)^{3/2}}\right )-\frac {2 (1-2 x)^{5/2} \sqrt {5 x+3}}{15 (3 x+2)^{5/2}}\) |
(-2*(1 - 2*x)^(5/2)*Sqrt[3 + 5*x])/(15*(2 + 3*x)^(5/2)) + ((2*(1 - 2*x)^(3 /2)*Sqrt[3 + 5*x])/(2 + 3*x)^(3/2) + 6*((4*Sqrt[1 - 2*x]*Sqrt[3 + 5*x])/Sq rt[2 + 3*x] - (6*Sqrt[33]*EllipticE[ArcSin[Sqrt[3/7]*Sqrt[1 - 2*x]], 35/33 ])/5 - (2*Sqrt[11/3]*EllipticF[ArcSin[Sqrt[3/7]*Sqrt[1 - 2*x]], 35/33])/5) )/3
3.28.60.3.1 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_)*((e_.) + (f_.)*(x_) )^(p_), x_] :> Simp[(a + b*x)^(m + 1)*(c + d*x)^n*((e + f*x)^p/(b*(m + 1))) , x] - Simp[1/(b*(m + 1)) Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 1)*(e + f* x)^(p - 1)*Simp[d*e*n + c*f*p + d*f*(n + p)*x, x], x], x] /; FreeQ[{a, b, c , d, e, f}, x] && LtQ[m, -1] && GtQ[n, 0] && GtQ[p, 0] && (IntegersQ[2*m, 2 *n, 2*p] || IntegersQ[m, n + p] || IntegersQ[p, m + n])
Int[Sqrt[(e_.) + (f_.)*(x_)]/(Sqrt[(a_) + (b_.)*(x_)]*Sqrt[(c_) + (d_.)*(x_ )]), x_] :> Simp[(2/b)*Rt[-(b*e - a*f)/d, 2]*EllipticE[ArcSin[Sqrt[a + b*x] /Rt[-(b*c - a*d)/d, 2]], f*((b*c - a*d)/(d*(b*e - a*f)))], x] /; FreeQ[{a, b, c, d, e, f}, x] && GtQ[b/(b*c - a*d), 0] && GtQ[b/(b*e - a*f), 0] && !L tQ[-(b*c - a*d)/d, 0] && !(SimplerQ[c + d*x, a + b*x] && GtQ[-d/(b*c - a*d ), 0] && GtQ[d/(d*e - c*f), 0] && !LtQ[(b*c - a*d)/b, 0])
Int[1/(Sqrt[(a_) + (b_.)*(x_)]*Sqrt[(c_) + (d_.)*(x_)]*Sqrt[(e_) + (f_.)*(x _)]), x_] :> Simp[2*(Rt[-b/d, 2]/(b*Sqrt[(b*e - a*f)/b]))*EllipticF[ArcSin[ Sqrt[a + b*x]/(Rt[-b/d, 2]*Sqrt[(b*c - a*d)/b])], f*((b*c - a*d)/(d*(b*e - a*f)))], x] /; FreeQ[{a, b, c, d, e, f}, x] && GtQ[(b*c - a*d)/b, 0] && GtQ [(b*e - a*f)/b, 0] && PosQ[-b/d] && !(SimplerQ[c + d*x, a + b*x] && GtQ[(d *e - c*f)/d, 0] && GtQ[-d/b, 0]) && !(SimplerQ[c + d*x, a + b*x] && GtQ[(( -b)*e + a*f)/f, 0] && GtQ[-f/b, 0]) && !(SimplerQ[e + f*x, a + b*x] && GtQ [((-d)*e + c*f)/f, 0] && GtQ[((-b)*e + a*f)/f, 0] && (PosQ[-f/d] || PosQ[-f /b]))
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) )^(p_)*((g_.) + (h_.)*(x_)), x_] :> Simp[(b*g - a*h)*(a + b*x)^(m + 1)*(c + d*x)^n*((e + f*x)^(p + 1)/(b*(b*e - a*f)*(m + 1))), x] - Simp[1/(b*(b*e - a*f)*(m + 1)) Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 1)*(e + f*x)^p*Simp[b* c*(f*g - e*h)*(m + 1) + (b*g - a*h)*(d*e*n + c*f*(p + 1)) + d*(b*(f*g - e*h )*(m + 1) + f*(b*g - a*h)*(n + p + 1))*x, x], x], x] /; FreeQ[{a, b, c, d, e, f, g, h, p}, x] && LtQ[m, -1] && GtQ[n, 0] && IntegersQ[2*m, 2*n, 2*p]
Int[((g_.) + (h_.)*(x_))/(Sqrt[(a_.) + (b_.)*(x_)]*Sqrt[(c_) + (d_.)*(x_)]* Sqrt[(e_) + (f_.)*(x_)]), x_] :> Simp[h/f Int[Sqrt[e + f*x]/(Sqrt[a + b*x ]*Sqrt[c + d*x]), x], x] + Simp[(f*g - e*h)/f Int[1/(Sqrt[a + b*x]*Sqrt[c + d*x]*Sqrt[e + f*x]), x], x] /; FreeQ[{a, b, c, d, e, f, g, h}, x] && Sim plerQ[a + b*x, e + f*x] && SimplerQ[c + d*x, e + f*x]
Leaf count of result is larger than twice the leaf count of optimal. \(242\) vs. \(2(116)=232\).
Time = 1.35 (sec) , antiderivative size = 243, normalized size of antiderivative = 1.56
| method | result | size |
| elliptic | \(\frac {\sqrt {-\left (-1+2 x \right ) \left (3+5 x \right ) \left (2+3 x \right )}\, \left (\frac {-\frac {2024}{27} x^{2}-\frac {1012}{135} x +\frac {1012}{45}}{\sqrt {\left (\frac {2}{3}+x \right ) \left (-30 x^{2}-3 x +9\right )}}+\frac {52 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{105 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {24 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, \left (-\frac {7 E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{6}+\frac {F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{2}\right )}{35 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {266 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{1215 \left (\frac {2}{3}+x \right )^{2}}-\frac {98 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{3645 \left (\frac {2}{3}+x \right )^{3}}\right )}{\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}\) | \(243\) |
| default | \(-\frac {2 \left (1188 \sqrt {5}\, \sqrt {7}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x^{2} \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}-1134 \sqrt {5}\, \sqrt {7}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x^{2} \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}+1584 \sqrt {5}\, \sqrt {7}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}-1512 \sqrt {5}\, \sqrt {7}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}+528 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )-504 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )-35420 x^{4}-53872 x^{3}-11837 x^{2}+13356 x +5229\right ) \sqrt {3+5 x}\, \sqrt {1-2 x}}{105 \left (10 x^{2}+x -3\right ) \left (2+3 x \right )^{\frac {5}{2}}}\) | \(314\) |
(-(-1+2*x)*(3+5*x)*(2+3*x))^(1/2)/(1-2*x)^(1/2)/(2+3*x)^(1/2)/(3+5*x)^(1/2 )*(1012/405*(-30*x^2-3*x+9)/((2/3+x)*(-30*x^2-3*x+9))^(1/2)+52/105*(10+15* x)^(1/2)*(21-42*x)^(1/2)*(-15*x-9)^(1/2)/(-30*x^3-23*x^2+7*x+6)^(1/2)*Elli pticF((10+15*x)^(1/2),1/35*70^(1/2))+24/35*(10+15*x)^(1/2)*(21-42*x)^(1/2) *(-15*x-9)^(1/2)/(-30*x^3-23*x^2+7*x+6)^(1/2)*(-7/6*EllipticE((10+15*x)^(1 /2),1/35*70^(1/2))+1/2*EllipticF((10+15*x)^(1/2),1/35*70^(1/2)))+266/1215* (-30*x^3-23*x^2+7*x+6)^(1/2)/(2/3+x)^2-98/3645*(-30*x^3-23*x^2+7*x+6)^(1/2 )/(2/3+x)^3)
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 108, normalized size of antiderivative = 0.69 \[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=\frac {2 \, {\left (5 \, {\left (506 \, x^{2} + 719 \, x + 249\right )} \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} \sqrt {-2 \, x + 1} - 42 \, \sqrt {-30} {\left (27 \, x^{3} + 54 \, x^{2} + 36 \, x + 8\right )} {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right ) + 90 \, \sqrt {-30} {\left (27 \, x^{3} + 54 \, x^{2} + 36 \, x + 8\right )} {\rm weierstrassZeta}\left (\frac {1159}{675}, \frac {38998}{91125}, {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right )\right )\right )}}{75 \, {\left (27 \, x^{3} + 54 \, x^{2} + 36 \, x + 8\right )}} \]
2/75*(5*(506*x^2 + 719*x + 249)*sqrt(5*x + 3)*sqrt(3*x + 2)*sqrt(-2*x + 1) - 42*sqrt(-30)*(27*x^3 + 54*x^2 + 36*x + 8)*weierstrassPInverse(1159/675, 38998/91125, x + 23/90) + 90*sqrt(-30)*(27*x^3 + 54*x^2 + 36*x + 8)*weier strassZeta(1159/675, 38998/91125, weierstrassPInverse(1159/675, 38998/9112 5, x + 23/90)))/(27*x^3 + 54*x^2 + 36*x + 8)
Timed out. \[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=\text {Timed out} \]
\[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=\int { \frac {\sqrt {5 \, x + 3} {\left (-2 \, x + 1\right )}^{\frac {5}{2}}}{{\left (3 \, x + 2\right )}^{\frac {7}{2}}} \,d x } \]
\[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=\int { \frac {\sqrt {5 \, x + 3} {\left (-2 \, x + 1\right )}^{\frac {5}{2}}}{{\left (3 \, x + 2\right )}^{\frac {7}{2}}} \,d x } \]
Timed out. \[ \int \frac {(1-2 x)^{5/2} \sqrt {3+5 x}}{(2+3 x)^{7/2}} \, dx=\int \frac {{\left (1-2\,x\right )}^{5/2}\,\sqrt {5\,x+3}}{{\left (3\,x+2\right )}^{7/2}} \,d x \]