Integrand size = 28, antiderivative size = 61 \[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\frac {2 \sqrt {1-2 x} \sqrt {3+5 x}}{\sqrt {2+3 x}}-2 \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right ) \] Output:
2*(1-2*x)^(1/2)*(3+5*x)^(1/2)/(2+3*x)^(1/2)-2/3*33^(1/2)*EllipticE(1/7*21^ (1/2)*(1-2*x)^(1/2),1/33*1155^(1/2))
Result contains complex when optimal does not.
Time = 2.78 (sec) , antiderivative size = 102, normalized size of antiderivative = 1.67 \[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\frac {6 \sqrt {1-2 x} \sqrt {2+3 x} \sqrt {3+5 x}+2 i \sqrt {33} (2+3 x) E\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right )|-\frac {2}{33}\right )-2 i \sqrt {33} (2+3 x) \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {9+15 x}\right ),-\frac {2}{33}\right )}{6+9 x} \] Input:
Integrate[Sqrt[1 - 2*x]/((2 + 3*x)^(3/2)*Sqrt[3 + 5*x]),x]
Output:
(6*Sqrt[1 - 2*x]*Sqrt[2 + 3*x]*Sqrt[3 + 5*x] + (2*I)*Sqrt[33]*(2 + 3*x)*El lipticE[I*ArcSinh[Sqrt[9 + 15*x]], -2/33] - (2*I)*Sqrt[33]*(2 + 3*x)*Ellip ticF[I*ArcSinh[Sqrt[9 + 15*x]], -2/33])/(6 + 9*x)
Time = 0.19 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.107, Rules used = {110, 25, 123}
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.
\(\displaystyle \int \frac {\sqrt {1-2 x}}{(3 x+2)^{3/2} \sqrt {5 x+3}} \, dx\) |
\(\Big \downarrow \) 110 |
\(\displaystyle \frac {2 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}-2 \int -\frac {\sqrt {5 x+3}}{\sqrt {1-2 x} \sqrt {3 x+2}}dx\) |
\(\Big \downarrow \) 25 |
\(\displaystyle 2 \int \frac {\sqrt {5 x+3}}{\sqrt {1-2 x} \sqrt {3 x+2}}dx+\frac {2 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}\) |
\(\Big \downarrow \) 123 |
\(\displaystyle \frac {2 \sqrt {1-2 x} \sqrt {5 x+3}}{\sqrt {3 x+2}}-2 \sqrt {\frac {11}{3}} E\left (\arcsin \left (\sqrt {\frac {3}{7}} \sqrt {1-2 x}\right )|\frac {35}{33}\right )\) |
Input:
Int[Sqrt[1 - 2*x]/((2 + 3*x)^(3/2)*Sqrt[3 + 5*x]),x]
Output:
(2*Sqrt[1 - 2*x]*Sqrt[3 + 5*x])/Sqrt[2 + 3*x] - 2*Sqrt[11/3]*EllipticE[Arc Sin[Sqrt[3/7]*Sqrt[1 - 2*x]], 35/33]
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 + 1)/((m + 1)*(b*e - a*f))), x] - Simp[1/((m + 1)*(b*e - a*f)) Int[(a + b*x)^(m + 1) *(c + d*x)^(n - 1)*(e + f*x)^p*Simp[d*e*n + c*f*(m + p + 2) + d*f*(m + n + p + 2)*x, x], x], x] /; FreeQ[{a, b, c, d, e, f, p}, x] && LtQ[m, -1] && Gt Q[n, 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])
Time = 0.30 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.49
method | result | size |
default | \(\frac {2 \sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}\, \left (\sqrt {2}\, \sqrt {2+3 x}\, \sqrt {-3-5 x}\, \sqrt {1-2 x}\, \operatorname {EllipticE}\left (\frac {\sqrt {28+42 x}}{7}, \frac {\sqrt {70}}{2}\right )+30 x^{2}+3 x -9\right )}{3 \left (30 x^{3}+23 x^{2}-7 x -6\right )}\) | \(91\) |
elliptic | \(\frac {\sqrt {-\left (3+5 x \right ) \left (-1+2 x \right ) \left (2+3 x \right )}\, \left (\frac {-20 x^{2}-2 x +6}{\sqrt {\left (\frac {2}{3}+x \right ) \left (-30 x^{2}-3 x +9\right )}}+\frac {2 \sqrt {28+42 x}\, \sqrt {-15 x -9}\, \sqrt {21-42 x}\, \operatorname {EllipticF}\left (\frac {\sqrt {28+42 x}}{7}, \frac {\sqrt {70}}{2}\right )}{7 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}+\frac {10 \sqrt {28+42 x}\, \sqrt {-15 x -9}\, \sqrt {21-42 x}\, \left (-\frac {\operatorname {EllipticE}\left (\frac {\sqrt {28+42 x}}{7}, \frac {\sqrt {70}}{2}\right )}{15}-\frac {3 \operatorname {EllipticF}\left (\frac {\sqrt {28+42 x}}{7}, \frac {\sqrt {70}}{2}\right )}{5}\right )}{21 \sqrt {-30 x^{3}-23 x^{2}+7 x +6}}\right )}{\sqrt {1-2 x}\, \sqrt {2+3 x}\, \sqrt {3+5 x}}\) | \(201\) |
Input:
int((1-2*x)^(1/2)/(2+3*x)^(3/2)/(3+5*x)^(1/2),x,method=_RETURNVERBOSE)
Output:
2/3*(1-2*x)^(1/2)*(2+3*x)^(1/2)*(3+5*x)^(1/2)*(2^(1/2)*(2+3*x)^(1/2)*(-3-5 *x)^(1/2)*(1-2*x)^(1/2)*EllipticE(1/7*(28+42*x)^(1/2),1/2*70^(1/2))+30*x^2 +3*x-9)/(30*x^3+23*x^2-7*x-6)
Time = 0.07 (sec) , antiderivative size = 68, normalized size of antiderivative = 1.11 \[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=-\frac {31 \, \sqrt {-30} {\left (3 \, x + 2\right )} {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right ) - 90 \, \sqrt {-30} {\left (3 \, x + 2\right )} {\rm weierstrassZeta}\left (\frac {1159}{675}, \frac {38998}{91125}, {\rm weierstrassPInverse}\left (\frac {1159}{675}, \frac {38998}{91125}, x + \frac {23}{90}\right )\right ) - 270 \, \sqrt {5 \, x + 3} \sqrt {3 \, x + 2} \sqrt {-2 \, x + 1}}{135 \, {\left (3 \, x + 2\right )}} \] Input:
integrate((1-2*x)^(1/2)/(2+3*x)^(3/2)/(3+5*x)^(1/2),x, algorithm="fricas")
Output:
-1/135*(31*sqrt(-30)*(3*x + 2)*weierstrassPInverse(1159/675, 38998/91125, x + 23/90) - 90*sqrt(-30)*(3*x + 2)*weierstrassZeta(1159/675, 38998/91125, weierstrassPInverse(1159/675, 38998/91125, x + 23/90)) - 270*sqrt(5*x + 3 )*sqrt(3*x + 2)*sqrt(-2*x + 1))/(3*x + 2)
\[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\int \frac {\sqrt {1 - 2 x}}{\left (3 x + 2\right )^{\frac {3}{2}} \sqrt {5 x + 3}}\, dx \] Input:
integrate((1-2*x)**(1/2)/(2+3*x)**(3/2)/(3+5*x)**(1/2),x)
Output:
Integral(sqrt(1 - 2*x)/((3*x + 2)**(3/2)*sqrt(5*x + 3)), x)
\[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\int { \frac {\sqrt {-2 \, x + 1}}{\sqrt {5 \, x + 3} {\left (3 \, x + 2\right )}^{\frac {3}{2}}} \,d x } \] Input:
integrate((1-2*x)^(1/2)/(2+3*x)^(3/2)/(3+5*x)^(1/2),x, algorithm="maxima")
Output:
integrate(sqrt(-2*x + 1)/(sqrt(5*x + 3)*(3*x + 2)^(3/2)), x)
\[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\int { \frac {\sqrt {-2 \, x + 1}}{\sqrt {5 \, x + 3} {\left (3 \, x + 2\right )}^{\frac {3}{2}}} \,d x } \] Input:
integrate((1-2*x)^(1/2)/(2+3*x)^(3/2)/(3+5*x)^(1/2),x, algorithm="giac")
Output:
integrate(sqrt(-2*x + 1)/(sqrt(5*x + 3)*(3*x + 2)^(3/2)), x)
Timed out. \[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\int \frac {\sqrt {1-2\,x}}{{\left (3\,x+2\right )}^{3/2}\,\sqrt {5\,x+3}} \,d x \] Input:
int((1 - 2*x)^(1/2)/((3*x + 2)^(3/2)*(5*x + 3)^(1/2)),x)
Output:
int((1 - 2*x)^(1/2)/((3*x + 2)^(3/2)*(5*x + 3)^(1/2)), x)
\[ \int \frac {\sqrt {1-2 x}}{(2+3 x)^{3/2} \sqrt {3+5 x}} \, dx=\int \frac {\sqrt {3 x +2}\, \sqrt {5 x +3}\, \sqrt {-2 x +1}}{45 x^{3}+87 x^{2}+56 x +12}d x \] Input:
int((1-2*x)^(1/2)/(2+3*x)^(3/2)/(3+5*x)^(1/2),x)
Output:
int((sqrt(3*x + 2)*sqrt(5*x + 3)*sqrt( - 2*x + 1))/(45*x**3 + 87*x**2 + 56 *x + 12),x)