Integrand size = 28, antiderivative size = 191 \[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=-\frac {110717 \sqrt {1-2 x} \sqrt {2+3 x} \sqrt {3+5 x}}{1063125}+\frac {10214 \sqrt {1-2 x} \sqrt {2+3 x} (3+5 x)^{3/2}}{118125}+\frac {326 (1-2 x)^{3/2} \sqrt {2+3 x} (3+5 x)^{3/2}}{4725}+\frac {2}{45} (1-2 x)^{5/2} \sqrt {2+3 x} (3+5 x)^{3/2}-\frac {6799613 \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )}{5315625}-\frac {110717 \sqrt {\frac {11}{3}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )}{5315625} \]
-6799613/15946875*EllipticE(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33 ^(1/2)-110717/15946875*EllipticF(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2 ))*33^(1/2)+326/4725*(1-2*x)^(3/2)*(3+5*x)^(3/2)*(2+3*x)^(1/2)+2/45*(1-2*x )^(5/2)*(3+5*x)^(3/2)*(2+3*x)^(1/2)+10214/118125*(3+5*x)^(3/2)*(1-2*x)^(1/ 2)*(2+3*x)^(1/2)-110717/1063125*(1-2*x)^(1/2)*(2+3*x)^(1/2)*(3+5*x)^(1/2)
Result contains complex when optimal does not.
Time = 3.36 (sec) , antiderivative size = 103, normalized size of antiderivative = 0.54 \[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=\frac {15 \sqrt {1-2 x} \sqrt {2+3 x} \sqrt {3+5 x} \left (526861+55530 x-1111500 x^2+945000 x^3\right )+6799613 i \sqrt {33} E\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right )|-\frac {2}{33}\right )-6910330 i \sqrt {33} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right ),-\frac {2}{33}\right )}{15946875} \]
(15*Sqrt[1 - 2*x]*Sqrt[2 + 3*x]*Sqrt[3 + 5*x]*(526861 + 55530*x - 1111500* x^2 + 945000*x^3) + (6799613*I)*Sqrt[33]*EllipticE[I*ArcSinh[Sqrt[9 + 15*x ]], -2/33] - (6910330*I)*Sqrt[33]*EllipticF[I*ArcSinh[Sqrt[9 + 15*x]], -2/ 33])/15946875
Time = 0.27 (sec) , antiderivative size = 211, normalized size of antiderivative = 1.10, number of steps used = 11, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.393, Rules used = {112, 27, 171, 27, 171, 27, 171, 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.
| \(\displaystyle \int (1-2 x)^{5/2} \sqrt {3 x+2} \sqrt {5 x+3} \, dx\) |
| \(\Big \downarrow \) 112 |
| \(\displaystyle \frac {2}{45} (1-2 x)^{5/2} \sqrt {3 x+2} (5 x+3)^{3/2}-\frac {2}{45} \int -\frac {(1-2 x)^{3/2} \sqrt {5 x+3} (163 x+111)}{2 \sqrt {3 x+2}}dx\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{45} \int \frac {(1-2 x)^{3/2} \sqrt {5 x+3} (163 x+111)}{\sqrt {3 x+2}}dx+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 171 |
| \(\displaystyle \frac {1}{45} \left (\frac {2}{105} \int \frac {3 \sqrt {1-2 x} \sqrt {5 x+3} (5107 x+3722)}{2 \sqrt {3 x+2}}dx+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \int \frac {\sqrt {1-2 x} \sqrt {5 x+3} (5107 x+3722)}{\sqrt {3 x+2}}dx+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 171 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {2}{75} \int \frac {\sqrt {5 x+3} (110717 x+141261)}{2 \sqrt {1-2 x} \sqrt {3 x+2}}dx+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {1}{75} \int \frac {\sqrt {5 x+3} (110717 x+141261)}{\sqrt {1-2 x} \sqrt {3 x+2}}dx+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 171 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {1}{75} \left (-\frac {1}{9} \int -\frac {13599226 x+8403113}{2 \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {110717}{9} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {1}{75} \left (\frac {1}{18} \int \frac {13599226 x+8403113}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {110717}{9} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 176 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {1}{75} \left (\frac {1}{18} \left (\frac {1217887}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx+\frac {13599226}{5} \int \frac {\sqrt {5 x+3}}{\sqrt {1-2 x} \sqrt {3 x+2}}dx\right )-\frac {110717}{9} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 123 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {1}{75} \left (\frac {1}{18} \left (\frac {1217887}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {13599226}{5} \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\right )-\frac {110717}{9} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
| \(\Big \downarrow \) 129 |
| \(\displaystyle \frac {1}{45} \left (\frac {1}{35} \left (\frac {1}{75} \left (\frac {1}{18} \left (-\frac {221434}{5} \sqrt {\frac {11}{3}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )-\frac {13599226}{5} \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\right )-\frac {110717}{9} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )+\frac {10214}{75} \sqrt {1-2 x} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {326}{105} (1-2 x)^{3/2} \sqrt {3 x+2} (5 x+3)^{3/2}\right )+\frac {2}{45} \sqrt {3 x+2} (5 x+3)^{3/2} (1-2 x)^{5/2}\) |
(2*(1 - 2*x)^(5/2)*Sqrt[2 + 3*x]*(3 + 5*x)^(3/2))/45 + ((326*(1 - 2*x)^(3/ 2)*Sqrt[2 + 3*x]*(3 + 5*x)^(3/2))/105 + ((10214*Sqrt[1 - 2*x]*Sqrt[2 + 3*x ]*(3 + 5*x)^(3/2))/75 + ((-110717*Sqrt[1 - 2*x]*Sqrt[2 + 3*x]*Sqrt[3 + 5*x ])/9 + ((-13599226*Sqrt[11/3]*EllipticE[ArcSin[Sqrt[3/7]*Sqrt[1 - 2*x]], 3 5/33])/5 - (221434*Sqrt[11/3]*EllipticF[ArcSin[Sqrt[3/7]*Sqrt[1 - 2*x]], 3 5/33])/5)/18)/75)/35)/45
3.28.56.3.1 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*(c + d*x)^n*((e + f*x)^(p + 1)/(f*(m + n + p + 1))), x] - Simp[1/(f*(m + n + p + 1)) Int[(a + b*x)^(m - 1)*(c + d*x) ^(n - 1)*(e + f*x)^p*Simp[c*m*(b*e - a*f) + a*n*(d*e - c*f) + (d*m*(b*e - a *f) + b*n*(d*e - c*f))*x, x], x], x] /; FreeQ[{a, b, c, d, e, f, p}, x] && GtQ[m, 0] && GtQ[n, 0] && NeQ[m + n + p + 1, 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[h*(a + b*x)^m*(c + d*x)^(n + 1)*(( e + f*x)^(p + 1)/(d*f*(m + n + p + 2))), x] + Simp[1/(d*f*(m + n + p + 2)) Int[(a + b*x)^(m - 1)*(c + d*x)^n*(e + f*x)^p*Simp[a*d*f*g*(m + n + p + 2 ) - h*(b*c*e*m + a*(d*e*(n + 1) + c*f*(p + 1))) + (b*d*f*g*(m + n + p + 2) + h*(a*d*f*m - b*(d*e*(m + n + 1) + c*f*(m + p + 1))))*x, x], x], x] /; Fre eQ[{a, b, c, d, e, f, g, h, n, p}, x] && GtQ[m, 0] && NeQ[m + n + p + 2, 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]
Time = 1.33 (sec) , antiderivative size = 155, normalized size of antiderivative = 0.81
| method | result | size |
| default | \(-\frac {\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}\, \left (6515454 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )-6799613 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )-425250000 x^{6}+174150000 x^{5}+457704000 x^{4}-287902800 x^{3}-275971395 x^{2}+60318105 x +47417490\right )}{15946875 \left (30 x^{3}+23 x^{2}-7 x -6\right )}\) | \(155\) |
| elliptic | \(\frac {\sqrt {-\left (-1+2 x \right ) \left (3+5 x \right ) \left (2+3 x \right )}\, \left (\frac {1234 x \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{23625}+\frac {526861 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{1063125}+\frac {8403113 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{111628125 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {13599226 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, \left (-\frac {7 E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{6}+\frac {F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{2}\right )}{111628125 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}-\frac {988 x^{2} \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{945}+\frac {8 x^{3} \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{9}\right )}{\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}\) | \(250\) |
| risch | \(-\frac {\left (945000 x^{3}-1111500 x^{2}+55530 x +526861\right ) \left (-1+2 x \right ) \sqrt {3+5 x}\, \sqrt {2+3 x}\, \sqrt {\left (1-2 x \right ) \left (2+3 x \right ) \left (3+5 x \right )}}{1063125 \sqrt {-\left (-1+2 x \right ) \left (3+5 x \right ) \left (2+3 x \right )}\, \sqrt {1-2 x}}-\frac {\left (-\frac {8403113 \sqrt {66+110 x}\, \sqrt {10+15 x}\, \sqrt {-110 x +55}\, F\left (\frac {\sqrt {66+110 x}}{11}, \frac {i \sqrt {66}}{2}\right )}{116943750 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}-\frac {6799613 \sqrt {66+110 x}\, \sqrt {10+15 x}\, \sqrt {-110 x +55}\, \left (\frac {E\left (\frac {\sqrt {66+110 x}}{11}, \frac {i \sqrt {66}}{2}\right )}{15}-\frac {2 F\left (\frac {\sqrt {66+110 x}}{11}, \frac {i \sqrt {66}}{2}\right )}{3}\right )}{58471875 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}\right ) \sqrt {\left (1-2 x \right ) \left (2+3 x \right ) \left (3+5 x \right )}}{\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}\) | \(257\) |
-1/15946875*(1-2*x)^(1/2)*(2+3*x)^(1/2)*(3+5*x)^(1/2)*(6515454*5^(1/2)*(2+ 3*x)^(1/2)*7^(1/2)*(1-2*x)^(1/2)*(-3-5*x)^(1/2)*EllipticF((10+15*x)^(1/2), 1/35*70^(1/2))-6799613*5^(1/2)*(2+3*x)^(1/2)*7^(1/2)*(1-2*x)^(1/2)*(-3-5*x )^(1/2)*EllipticE((10+15*x)^(1/2),1/35*70^(1/2))-425250000*x^6+174150000*x ^5+457704000*x^4-287902800*x^3-275971395*x^2+60318105*x+47417490)/(30*x^3+ 23*x^2-7*x-6)
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.34 \[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=\frac {1}{1063125} \, {\left (945000 \, x^{3} - 1111500 \, x^{2} + 55530 \, x + 526861\right )} \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} \sqrt {-2 \, x + 1} - \frac {110874493}{717609375} \, \sqrt {-30} {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right ) + \frac {6799613}{15946875} \, \sqrt {-30} {\rm weierstrassZeta}\left (\frac {1159}{675}, \frac {38998}{91125}, {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right )\right ) \]
1/1063125*(945000*x^3 - 1111500*x^2 + 55530*x + 526861)*sqrt(5*x + 3)*sqrt (3*x + 2)*sqrt(-2*x + 1) - 110874493/717609375*sqrt(-30)*weierstrassPInver se(1159/675, 38998/91125, x + 23/90) + 6799613/15946875*sqrt(-30)*weierstr assZeta(1159/675, 38998/91125, weierstrassPInverse(1159/675, 38998/91125, x + 23/90))
\[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=\int \left (1 - 2 x\right )^{\frac {5}{2}} \sqrt {3 x + 2} \sqrt {5 x + 3}\, dx \]
\[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=\int { \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} {\left (-2 \, x + 1\right )}^{\frac {5}{2}} \,d x } \]
\[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=\int { \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} {\left (-2 \, x + 1\right )}^{\frac {5}{2}} \,d x } \]
Timed out. \[ \int (1-2 x)^{5/2} \sqrt {2+3 x} \sqrt {3+5 x} \, dx=\int {\left (1-2\,x\right )}^{5/2}\,\sqrt {3\,x+2}\,\sqrt {5\,x+3} \,d x \]