Integrand size = 28, antiderivative size = 125 \[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\frac {\sqrt {2+3 x} \sqrt {3+5 x}}{3 (1-2 x)^{3/2}}-\frac {68 \sqrt {2+3 x} \sqrt {3+5 x}}{231 \sqrt {1-2 x}}-\frac {34 E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )}{7 \sqrt {33}}-\frac {\operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )}{7 \sqrt {33}} \]
-34/231*EllipticE(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33^(1/2)-1/2 31*EllipticF(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33^(1/2)+1/3*(2+3 *x)^(1/2)*(3+5*x)^(1/2)/(1-2*x)^(3/2)-68/231*(2+3*x)^(1/2)*(3+5*x)^(1/2)/( 1-2*x)^(1/2)
Result contains complex when optimal does not.
Time = 3.10 (sec) , antiderivative size = 110, normalized size of antiderivative = 0.88 \[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\frac {\sqrt {2+3 x} \sqrt {3+5 x} (9+136 x)-34 i \sqrt {33-66 x} (-1+2 x) E\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right )|-\frac {2}{33}\right )+35 i \sqrt {33-66 x} (-1+2 x) \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right ),-\frac {2}{33}\right )}{231 (1-2 x)^{3/2}} \]
(Sqrt[2 + 3*x]*Sqrt[3 + 5*x]*(9 + 136*x) - (34*I)*Sqrt[33 - 66*x]*(-1 + 2* x)*EllipticE[I*ArcSinh[Sqrt[9 + 15*x]], -2/33] + (35*I)*Sqrt[33 - 66*x]*(- 1 + 2*x)*EllipticF[I*ArcSinh[Sqrt[9 + 15*x]], -2/33])/(231*(1 - 2*x)^(3/2) )
Time = 0.22 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.11, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {108, 27, 169, 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.
| \(\displaystyle \int \frac {\sqrt {3 x+2} \sqrt {5 x+3}}{(1-2 x)^{5/2}} \, dx\) |
| \(\Big \downarrow \) 108 |
| \(\displaystyle \frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}-\frac {1}{3} \int \frac {30 x+19}{2 (1-2 x)^{3/2} \sqrt {3 x+2} \sqrt {5 x+3}}dx\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}-\frac {1}{6} \int \frac {30 x+19}{(1-2 x)^{3/2} \sqrt {3 x+2} \sqrt {5 x+3}}dx\) |
| \(\Big \downarrow \) 169 |
| \(\displaystyle \frac {1}{6} \left (\frac {2}{77} \int \frac {15 (68 x+43)}{2 \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {136 \sqrt {3 x+2} \sqrt {5 x+3}}{77 \sqrt {1-2 x}}\right )+\frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{6} \left (\frac {15}{77} \int \frac {68 x+43}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {136 \sqrt {3 x+2} \sqrt {5 x+3}}{77 \sqrt {1-2 x}}\right )+\frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 176 |
| \(\displaystyle \frac {1}{6} \left (\frac {15}{77} \left (\frac {11}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx+\frac {68}{5} \int \frac {\sqrt {5 x+3}}{\sqrt {1-2 x} \sqrt {3 x+2}}dx\right )-\frac {136 \sqrt {3 x+2} \sqrt {5 x+3}}{77 \sqrt {1-2 x}}\right )+\frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 123 |
| \(\displaystyle \frac {1}{6} \left (\frac {15}{77} \left (\frac {11}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {68}{5} \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\right )-\frac {136 \sqrt {3 x+2} \sqrt {5 x+3}}{77 \sqrt {1-2 x}}\right )+\frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 129 |
| \(\displaystyle \frac {1}{6} \left (\frac {15}{77} \left (-\frac {2}{5} \sqrt {\frac {11}{3}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )-\frac {68}{5} \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\right )-\frac {136 \sqrt {3 x+2} \sqrt {5 x+3}}{77 \sqrt {1-2 x}}\right )+\frac {\sqrt {3 x+2} \sqrt {5 x+3}}{3 (1-2 x)^{3/2}}\) |
(Sqrt[2 + 3*x]*Sqrt[3 + 5*x])/(3*(1 - 2*x)^(3/2)) + ((-136*Sqrt[2 + 3*x]*S qrt[3 + 5*x])/(77*Sqrt[1 - 2*x]) + (15*((-68*Sqrt[11/3]*EllipticE[ArcSin[S qrt[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))/77)/6
3.30.49.3.1 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 + 1)*((e + f*x)^(p + 1)/((m + 1)*(b*c - a*d)*(b*e - a*f))), x] + S imp[1/((m + 1)*(b*c - a*d)*(b*e - a*f)) Int[(a + b*x)^(m + 1)*(c + d*x)^n *(e + f*x)^p*Simp[(a*d*f*g - b*(d*e + c*f)*g + b*c*e*h)*(m + 1) - (b*g - a* h)*(d*e*(n + 1) + c*f*(p + 1)) - d*f*(b*g - a*h)*(m + n + p + 3)*x, x], x], x] /; FreeQ[{a, b, c, d, e, f, g, h, n, p}, x] && LtQ[m, -1] && 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. \(218\) vs. \(2(93)=186\).
Time = 1.38 (sec) , antiderivative size = 219, normalized size of antiderivative = 1.75
| method | result | size |
| elliptic | \(\frac {\sqrt {-\left (-1+2 x \right ) \left (3+5 x \right ) \left (2+3 x \right )}\, \left (\frac {\sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{12 \left (x -\frac {1}{2}\right )^{2}}+\frac {-\frac {340}{77} x^{2}-\frac {1292}{231} x -\frac {136}{77}}{\sqrt {\left (x -\frac {1}{2}\right ) \left (-30 x^{2}-38 x -12\right )}}+\frac {43 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{1617 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {68 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, \left (-\frac {7 E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{6}+\frac {F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{2}\right )}{1617 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}\right )}{\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}\) | \(219\) |
| default | \(-\frac {\left (66 \sqrt {5}\, \sqrt {7}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}-68 \sqrt {5}\, \sqrt {7}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}-33 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )+34 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )-2040 x^{3}-2719 x^{2}-987 x -54\right ) \sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}{231 \left (-1+2 x \right )^{2} \left (15 x^{2}+19 x +6\right )}\) | \(228\) |
(-(-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 )*(1/12*(-30*x^3-23*x^2+7*x+6)^(1/2)/(x-1/2)^2+34/231*(-30*x^2-38*x-12)/(( x-1/2)*(-30*x^2-38*x-12))^(1/2)+43/1617*(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)*EllipticF((10+15*x)^(1/2),1/35* 70^(1/2))+68/1617*(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*El lipticF((10+15*x)^(1/2),1/35*70^(1/2))))
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.70 \[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\frac {90 \, {\left (136 \, x + 9\right )} \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} \sqrt {-2 \, x + 1} - 1153 \, \sqrt {-30} {\left (4 \, x^{2} - 4 \, x + 1\right )} {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right ) + 3060 \, \sqrt {-30} {\left (4 \, x^{2} - 4 \, x + 1\right )} {\rm weierstrassZeta}\left (\frac {1159}{675}, \frac {38998}{91125}, {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right )\right )}{20790 \, {\left (4 \, x^{2} - 4 \, x + 1\right )}} \]
1/20790*(90*(136*x + 9)*sqrt(5*x + 3)*sqrt(3*x + 2)*sqrt(-2*x + 1) - 1153* sqrt(-30)*(4*x^2 - 4*x + 1)*weierstrassPInverse(1159/675, 38998/91125, x + 23/90) + 3060*sqrt(-30)*(4*x^2 - 4*x + 1)*weierstrassZeta(1159/675, 38998 /91125, weierstrassPInverse(1159/675, 38998/91125, x + 23/90)))/(4*x^2 - 4 *x + 1)
\[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\int \frac {\sqrt {3 x + 2} \sqrt {5 x + 3}}{\left (1 - 2 x\right )^{\frac {5}{2}}}\, dx \]
\[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\int { \frac {\sqrt {5 \, x + 3} \sqrt {3 \, x + 2}}{{\left (-2 \, x + 1\right )}^{\frac {5}{2}}} \,d x } \]
\[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\int { \frac {\sqrt {5 \, x + 3} \sqrt {3 \, x + 2}}{{\left (-2 \, x + 1\right )}^{\frac {5}{2}}} \,d x } \]
Timed out. \[ \int \frac {\sqrt {2+3 x} \sqrt {3+5 x}}{(1-2 x)^{5/2}} \, dx=\int \frac {\sqrt {3\,x+2}\,\sqrt {5\,x+3}}{{\left (1-2\,x\right )}^{5/2}} \,d x \]