Integrand size = 28, antiderivative size = 156 \[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=-\frac {4517 \sqrt {1-2 x} \sqrt {2+3 x} \sqrt {3+5 x}}{1210}-\frac {679 (2+3 x)^{3/2} \sqrt {3+5 x}}{363 \sqrt {1-2 x}}+\frac {7 (2+3 x)^{5/2} \sqrt {3+5 x}}{33 (1-2 x)^{3/2}}-\frac {78472 E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )}{275 \sqrt {33}}-\frac {4721 \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )}{550 \sqrt {33}} \]
-78472/9075*EllipticE(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33^(1/2) -4721/18150*EllipticF(1/7*21^(1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))*33^(1/2) +7/33*(2+3*x)^(5/2)*(3+5*x)^(1/2)/(1-2*x)^(3/2)-679/363*(2+3*x)^(3/2)*(3+5 *x)^(1/2)/(1-2*x)^(1/2)-4517/1210*(1-2*x)^(1/2)*(2+3*x)^(1/2)*(3+5*x)^(1/2 )
Result contains complex when optimal does not.
Time = 8.01 (sec) , antiderivative size = 116, normalized size of antiderivative = 0.74 \[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=-\frac {5 \sqrt {2+3 x} \sqrt {3+5 x} \left (24051-70234 x+6534 x^2\right )+156944 i \sqrt {33-66 x} (-1+2 x) E\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right )|-\frac {2}{33}\right )-161665 i \sqrt {33-66 x} (-1+2 x) \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right ),-\frac {2}{33}\right )}{18150 (1-2 x)^{3/2}} \]
-1/18150*(5*Sqrt[2 + 3*x]*Sqrt[3 + 5*x]*(24051 - 70234*x + 6534*x^2) + (15 6944*I)*Sqrt[33 - 66*x]*(-1 + 2*x)*EllipticE[I*ArcSinh[Sqrt[9 + 15*x]], -2 /33] - (161665*I)*Sqrt[33 - 66*x]*(-1 + 2*x)*EllipticF[I*ArcSinh[Sqrt[9 + 15*x]], -2/33])/(1 - 2*x)^(3/2)
Time = 0.25 (sec) , antiderivative size = 175, normalized size of antiderivative = 1.12, number of steps used = 9, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.321, Rules used = {109, 27, 167, 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.
| \(\displaystyle \int \frac {(3 x+2)^{7/2}}{(1-2 x)^{5/2} \sqrt {5 x+3}} \, dx\) |
| \(\Big \downarrow \) 109 |
| \(\displaystyle \frac {7 (3 x+2)^{5/2} \sqrt {5 x+3}}{33 (1-2 x)^{3/2}}-\frac {1}{33} \int \frac {(3 x+2)^{3/2} (612 x+373)}{2 (1-2 x)^{3/2} \sqrt {5 x+3}}dx\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {7 (3 x+2)^{5/2} \sqrt {5 x+3}}{33 (1-2 x)^{3/2}}-\frac {1}{66} \int \frac {(3 x+2)^{3/2} (612 x+373)}{(1-2 x)^{3/2} \sqrt {5 x+3}}dx\) |
| \(\Big \downarrow \) 167 |
| \(\displaystyle \frac {1}{66} \left (-\frac {1}{11} \int -\frac {9 \sqrt {3 x+2} (4517 x+2785)}{\sqrt {1-2 x} \sqrt {5 x+3}}dx-\frac {1358 \sqrt {5 x+3} (3 x+2)^{3/2}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{66} \left (\frac {9}{11} \int \frac {\sqrt {3 x+2} (4517 x+2785)}{\sqrt {1-2 x} \sqrt {5 x+3}}dx-\frac {1358 (3 x+2)^{3/2} \sqrt {5 x+3}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 171 |
| \(\displaystyle \frac {1}{66} \left (\frac {9}{11} \left (-\frac {1}{15} \int -\frac {313888 x+198719}{2 \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {4517}{15} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )-\frac {1358 (3 x+2)^{3/2} \sqrt {5 x+3}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 27 |
| \(\displaystyle \frac {1}{66} \left (\frac {9}{11} \left (\frac {1}{30} \int \frac {313888 x+198719}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {4517}{15} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )-\frac {1358 (3 x+2)^{3/2} \sqrt {5 x+3}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 176 |
| \(\displaystyle \frac {1}{66} \left (\frac {9}{11} \left (\frac {1}{30} \left (\frac {51931}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx+\frac {313888}{5} \int \frac {\sqrt {5 x+3}}{\sqrt {1-2 x} \sqrt {3 x+2}}dx\right )-\frac {4517}{15} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )-\frac {1358 (3 x+2)^{3/2} \sqrt {5 x+3}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 123 |
| \(\displaystyle \frac {1}{66} \left (\frac {9}{11} \left (\frac {1}{30} \left (\frac {51931}{5} \int \frac {1}{\sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}}dx-\frac {313888}{5} \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\right )-\frac {4517}{15} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )-\frac {1358 (3 x+2)^{3/2} \sqrt {5 x+3}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
| \(\Big \downarrow \) 129 |
| \(\displaystyle \frac {1}{66} \left (\frac {9}{11} \left (\frac {1}{30} \left (-\frac {9442}{5} \sqrt {\frac {11}{3}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right ),\frac {35}{33}\right )-\frac {313888}{5} \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\right )-\frac {4517}{15} \sqrt {1-2 x} \sqrt {3 x+2} \sqrt {5 x+3}\right )-\frac {1358 (3 x+2)^{3/2} \sqrt {5 x+3}}{11 \sqrt {1-2 x}}\right )+\frac {7 \sqrt {5 x+3} (3 x+2)^{5/2}}{33 (1-2 x)^{3/2}}\) |
(7*(2 + 3*x)^(5/2)*Sqrt[3 + 5*x])/(33*(1 - 2*x)^(3/2)) + ((-1358*(2 + 3*x) ^(3/2)*Sqrt[3 + 5*x])/(11*Sqrt[1 - 2*x]) + (9*((-4517*Sqrt[1 - 2*x]*Sqrt[2 + 3*x]*Sqrt[3 + 5*x])/15 + ((-313888*Sqrt[11/3]*EllipticE[ArcSin[Sqrt[3/7 ]*Sqrt[1 - 2*x]], 35/33])/5 - (9442*Sqrt[11/3]*EllipticF[ArcSin[Sqrt[3/7]* Sqrt[1 - 2*x]], 35/33])/5)/30))/11)/66
3.30.72.3.1 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[(b*c - a*d)*(a + b*x)^(m + 1)*(c + d*x)^(n - 1)*((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 - 2)*(e + f*x)^p*Simp[a*d*(d*e*(n - 1) + c*f*(p + 1)) + b*c*(d*e*(m - n + 2) - c*f*(m + p + 2)) + d*(a*d*f*(n + p) + b*(d*e*(m + 1) - c*f*(m + n + p + 1)))*x, x], x], x] /; FreeQ[{a, b, c, d, e, f, p}, x] && LtQ[m, -1] && GtQ[n, 1] && (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[((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 = 1.37 (sec) , antiderivative size = 233, normalized size of antiderivative = 1.49
| method | result | size |
| default | \(-\frac {\left (304854 \sqrt {5}\, \sqrt {7}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}-313888 \sqrt {5}\, \sqrt {7}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right ) x \sqrt {2+3 x}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}-152427 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )+156944 \sqrt {5}\, \sqrt {2+3 x}\, \sqrt {7}\, \sqrt {1-2 x}\, \sqrt {-3-5 x}\, E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )+490050 x^{4}-4646820 x^{3}-4672385 x^{2}+177825 x +721530\right ) \sqrt {3+5 x}\, \sqrt {1-2 x}\, \sqrt {2+3 x}}{18150 \left (-1+2 x \right )^{2} \left (15 x^{2}+19 x +6\right )}\) | \(233\) |
| elliptic | \(\frac {\sqrt {-\left (-1+2 x \right ) \left (3+5 x \right ) \left (2+3 x \right )}\, \left (-\frac {9 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{20}+\frac {198719 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{127050 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {156944 \sqrt {10+15 x}\, \sqrt {21-42 x}\, \sqrt {-15 x -9}\, \left (-\frac {7 E\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{6}+\frac {F\left (\sqrt {10+15 x}, \frac {\sqrt {70}}{35}\right )}{2}\right )}{63525 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {343 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}{528 \left (x -\frac {1}{2}\right )^{2}}+\frac {-\frac {15925}{121} x^{2}-\frac {60515}{363} x -\frac {6370}{121}}{\sqrt {\left (x -\frac {1}{2}\right ) \left (-30 x^{2}-38 x -12\right )}}\right )}{\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}\) | \(238\) |
-1/18150*(304854*5^(1/2)*7^(1/2)*EllipticF((10+15*x)^(1/2),1/35*70^(1/2))* x*(2+3*x)^(1/2)*(1-2*x)^(1/2)*(-3-5*x)^(1/2)-313888*5^(1/2)*7^(1/2)*Ellipt icE((10+15*x)^(1/2),1/35*70^(1/2))*x*(2+3*x)^(1/2)*(1-2*x)^(1/2)*(-3-5*x)^ (1/2)-152427*5^(1/2)*(2+3*x)^(1/2)*7^(1/2)*(1-2*x)^(1/2)*(-3-5*x)^(1/2)*El lipticF((10+15*x)^(1/2),1/35*70^(1/2))+156944*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))+49 0050*x^4-4646820*x^3-4672385*x^2+177825*x+721530)*(3+5*x)^(1/2)*(1-2*x)^(1 /2)*(2+3*x)^(1/2)/(-1+2*x)^2/(15*x^2+19*x+6)
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.60 \[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=-\frac {450 \, {\left (6534 \, x^{2} - 70234 \, x + 24051\right )} \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} \sqrt {-2 \, x + 1} + 5332643 \, \sqrt {-30} {\left (4 \, x^{2} - 4 \, x + 1\right )} {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right ) - 14124960 \, \sqrt {-30} {\left (4 \, x^{2} - 4 \, x + 1\right )} {\rm weierstrassZeta}\left (\frac {1159}{675}, \frac {38998}{91125}, {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right )\right )}{1633500 \, {\left (4 \, x^{2} - 4 \, x + 1\right )}} \]
-1/1633500*(450*(6534*x^2 - 70234*x + 24051)*sqrt(5*x + 3)*sqrt(3*x + 2)*s qrt(-2*x + 1) + 5332643*sqrt(-30)*(4*x^2 - 4*x + 1)*weierstrassPInverse(11 59/675, 38998/91125, x + 23/90) - 14124960*sqrt(-30)*(4*x^2 - 4*x + 1)*wei erstrassZeta(1159/675, 38998/91125, weierstrassPInverse(1159/675, 38998/91 125, x + 23/90)))/(4*x^2 - 4*x + 1)
Timed out. \[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=\text {Timed out} \]
\[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=\int { \frac {{\left (3 \, x + 2\right )}^{\frac {7}{2}}}{\sqrt {5 \, x + 3} {\left (-2 \, x + 1\right )}^{\frac {5}{2}}} \,d x } \]
\[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=\int { \frac {{\left (3 \, x + 2\right )}^{\frac {7}{2}}}{\sqrt {5 \, x + 3} {\left (-2 \, x + 1\right )}^{\frac {5}{2}}} \,d x } \]
Timed out. \[ \int \frac {(2+3 x)^{7/2}}{(1-2 x)^{5/2} \sqrt {3+5 x}} \, dx=\int \frac {{\left (3\,x+2\right )}^{7/2}}{{\left (1-2\,x\right )}^{5/2}\,\sqrt {5\,x+3}} \,d x \]