Integrand size = 27, antiderivative size = 262 \[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\frac {8 \sqrt {c-\frac {c}{a x}} x^4}{\sqrt {1-a x} \sqrt {1+a x}}-\frac {1115 \sqrt {c-\frac {c}{a x}} x \sqrt {1+a x}}{64 a^3 \sqrt {1-a x}}+\frac {1115 \sqrt {c-\frac {c}{a x}} x^2 \sqrt {1+a x}}{96 a^2 \sqrt {1-a x}}-\frac {223 \sqrt {c-\frac {c}{a x}} x^3 \sqrt {1+a x}}{24 a \sqrt {1-a x}}+\frac {\sqrt {c-\frac {c}{a x}} x^4 \sqrt {1+a x}}{4 \sqrt {1-a x}}+\frac {1115 \sqrt {c-\frac {c}{a x}} \sqrt {x} \text {arcsinh}\left (\sqrt {a} \sqrt {x}\right )}{64 a^{7/2} \sqrt {1-a x}} \] Output:
8*(c-c/a/x)^(1/2)*x^4/(-a*x+1)^(1/2)/(a*x+1)^(1/2)-1115/64*(c-c/a/x)^(1/2) *x*(a*x+1)^(1/2)/a^3/(-a*x+1)^(1/2)+1115/96*(c-c/a/x)^(1/2)*x^2*(a*x+1)^(1 /2)/a^2/(-a*x+1)^(1/2)-223/24*(c-c/a/x)^(1/2)*x^3*(a*x+1)^(1/2)/a/(-a*x+1) ^(1/2)+1/4*(c-c/a/x)^(1/2)*x^4*(a*x+1)^(1/2)/(-a*x+1)^(1/2)+1115/64*(c-c/a /x)^(1/2)*x^(1/2)*arcsinh(a^(1/2)*x^(1/2))/a^(7/2)/(-a*x+1)^(1/2)
Time = 0.08 (sec) , antiderivative size = 108, normalized size of antiderivative = 0.41 \[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\frac {\sqrt {c-\frac {c}{a x}} \sqrt {x} \left (\sqrt {a} \sqrt {x} \left (-3345-1115 a x+446 a^2 x^2-200 a^3 x^3+48 a^4 x^4\right )+3345 \sqrt {1+a x} \text {arcsinh}\left (\sqrt {a} \sqrt {x}\right )\right )}{192 a^{7/2} \sqrt {1-a^2 x^2}} \] Input:
Integrate[(Sqrt[c - c/(a*x)]*x^3)/E^(3*ArcTanh[a*x]),x]
Output:
(Sqrt[c - c/(a*x)]*Sqrt[x]*(Sqrt[a]*Sqrt[x]*(-3345 - 1115*a*x + 446*a^2*x^ 2 - 200*a^3*x^3 + 48*a^4*x^4) + 3345*Sqrt[1 + a*x]*ArcSinh[Sqrt[a]*Sqrt[x] ]))/(192*a^(7/2)*Sqrt[1 - a^2*x^2])
Time = 0.88 (sec) , antiderivative size = 166, normalized size of antiderivative = 0.63, number of steps used = 11, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.370, Rules used = {6684, 6679, 100, 27, 90, 60, 60, 60, 63, 222}
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.
\(\displaystyle \int x^3 e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} \, dx\) |
\(\Big \downarrow \) 6684 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \int e^{-3 \text {arctanh}(a x)} x^{5/2} \sqrt {1-a x}dx}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 6679 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \int \frac {x^{5/2} (1-a x)^2}{(a x+1)^{3/2}}dx}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 100 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (\frac {8 x^{7/2}}{\sqrt {a x+1}}-\frac {2 \int \frac {a^2 x^{5/2} (27-a x)}{2 \sqrt {a x+1}}dx}{a^2}\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (\frac {8 x^{7/2}}{\sqrt {a x+1}}-\int \frac {x^{5/2} (27-a x)}{\sqrt {a x+1}}dx\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 90 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (-\frac {223}{8} \int \frac {x^{5/2}}{\sqrt {a x+1}}dx+\frac {1}{4} x^{7/2} \sqrt {a x+1}+\frac {8 x^{7/2}}{\sqrt {a x+1}}\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 60 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (-\frac {223}{8} \left (\frac {x^{5/2} \sqrt {a x+1}}{3 a}-\frac {5 \int \frac {x^{3/2}}{\sqrt {a x+1}}dx}{6 a}\right )+\frac {1}{4} x^{7/2} \sqrt {a x+1}+\frac {8 x^{7/2}}{\sqrt {a x+1}}\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 60 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (-\frac {223}{8} \left (\frac {x^{5/2} \sqrt {a x+1}}{3 a}-\frac {5 \left (\frac {x^{3/2} \sqrt {a x+1}}{2 a}-\frac {3 \int \frac {\sqrt {x}}{\sqrt {a x+1}}dx}{4 a}\right )}{6 a}\right )+\frac {1}{4} x^{7/2} \sqrt {a x+1}+\frac {8 x^{7/2}}{\sqrt {a x+1}}\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 60 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (-\frac {223}{8} \left (\frac {x^{5/2} \sqrt {a x+1}}{3 a}-\frac {5 \left (\frac {x^{3/2} \sqrt {a x+1}}{2 a}-\frac {3 \left (\frac {\sqrt {x} \sqrt {a x+1}}{a}-\frac {\int \frac {1}{\sqrt {x} \sqrt {a x+1}}dx}{2 a}\right )}{4 a}\right )}{6 a}\right )+\frac {1}{4} x^{7/2} \sqrt {a x+1}+\frac {8 x^{7/2}}{\sqrt {a x+1}}\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 63 |
\(\displaystyle \frac {\sqrt {x} \sqrt {c-\frac {c}{a x}} \left (-\frac {223}{8} \left (\frac {x^{5/2} \sqrt {a x+1}}{3 a}-\frac {5 \left (\frac {x^{3/2} \sqrt {a x+1}}{2 a}-\frac {3 \left (\frac {\sqrt {x} \sqrt {a x+1}}{a}-\frac {\int \frac {1}{\sqrt {a x+1}}d\sqrt {x}}{a}\right )}{4 a}\right )}{6 a}\right )+\frac {1}{4} x^{7/2} \sqrt {a x+1}+\frac {8 x^{7/2}}{\sqrt {a x+1}}\right )}{\sqrt {1-a x}}\) |
\(\Big \downarrow \) 222 |
\(\displaystyle \frac {\sqrt {x} \left (-\frac {223}{8} \left (\frac {x^{5/2} \sqrt {a x+1}}{3 a}-\frac {5 \left (\frac {x^{3/2} \sqrt {a x+1}}{2 a}-\frac {3 \left (\frac {\sqrt {x} \sqrt {a x+1}}{a}-\frac {\text {arcsinh}\left (\sqrt {a} \sqrt {x}\right )}{a^{3/2}}\right )}{4 a}\right )}{6 a}\right )+\frac {1}{4} x^{7/2} \sqrt {a x+1}+\frac {8 x^{7/2}}{\sqrt {a x+1}}\right ) \sqrt {c-\frac {c}{a x}}}{\sqrt {1-a x}}\) |
Input:
Int[(Sqrt[c - c/(a*x)]*x^3)/E^(3*ArcTanh[a*x]),x]
Output:
(Sqrt[c - c/(a*x)]*Sqrt[x]*((8*x^(7/2))/Sqrt[1 + a*x] + (x^(7/2)*Sqrt[1 + a*x])/4 - (223*((x^(5/2)*Sqrt[1 + a*x])/(3*a) - (5*((x^(3/2)*Sqrt[1 + a*x] )/(2*a) - (3*((Sqrt[x]*Sqrt[1 + a*x])/a - ArcSinh[Sqrt[a]*Sqrt[x]]/a^(3/2) ))/(4*a)))/(6*a)))/8))/Sqrt[1 - a*x]
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_), x_Symbol] :> Simp[ (a + b*x)^(m + 1)*((c + d*x)^n/(b*(m + n + 1))), x] + Simp[n*((b*c - a*d)/( b*(m + n + 1))) Int[(a + b*x)^m*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, c, d}, x] && GtQ[n, 0] && NeQ[m + n + 1, 0] && !(IGtQ[m, 0] && ( !Integer Q[n] || (GtQ[m, 0] && LtQ[m - n, 0]))) && !ILtQ[m + n + 2, 0] && IntLinear Q[a, b, c, d, m, n, x]
Int[1/(Sqrt[(b_.)*(x_)]*Sqrt[(c_) + (d_.)*(x_)]), x_Symbol] :> Simp[2/b S ubst[Int[1/Sqrt[c + d*(x^2/b)], x], x, Sqrt[b*x]], x] /; FreeQ[{b, c, d}, x ] && GtQ[c, 0]
Int[((a_.) + (b_.)*(x_))*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p _.), x_] :> Simp[b*(c + d*x)^(n + 1)*((e + f*x)^(p + 1)/(d*f*(n + p + 2))), x] + Simp[(a*d*f*(n + p + 2) - b*(d*e*(n + 1) + c*f*(p + 1)))/(d*f*(n + p + 2)) Int[(c + d*x)^n*(e + f*x)^p, x], x] /; FreeQ[{a, b, c, d, e, f, n, p}, x] && NeQ[n + p + 2, 0]
Int[((a_.) + (b_.)*(x_))^2*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_))^( p_), x_] :> Simp[(b*c - a*d)^2*(c + d*x)^(n + 1)*((e + f*x)^(p + 1)/(d^2*(d *e - c*f)*(n + 1))), x] - Simp[1/(d^2*(d*e - c*f)*(n + 1)) Int[(c + d*x)^ (n + 1)*(e + f*x)^p*Simp[a^2*d^2*f*(n + p + 2) + b^2*c*(d*e*(n + 1) + c*f*( p + 1)) - 2*a*b*d*(d*e*(n + 1) + c*f*(p + 1)) - b^2*d*(d*e - c*f)*(n + 1)*x , x], x], x] /; FreeQ[{a, b, c, d, e, f, n, p}, x] && (LtQ[n, -1] || (EqQ[n + p + 3, 0] && NeQ[n, -1] && (SumSimplerQ[n, 1] || !SumSimplerQ[p, 1])))
Int[1/Sqrt[(a_) + (b_.)*(x_)^2], x_Symbol] :> Simp[ArcSinh[Rt[b, 2]*(x/Sqrt [a])]/Rt[b, 2], x] /; FreeQ[{a, b}, x] && GtQ[a, 0] && PosQ[b]
Int[E^(ArcTanh[(a_.)*(x_)]*(n_.))*(u_.)*((c_) + (d_.)*(x_))^(p_.), x_Symbol ] :> Simp[c^p Int[u*(1 + d*(x/c))^p*((1 + a*x)^(n/2)/(1 - a*x)^(n/2)), x] , x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[a^2*c^2 - d^2, 0] && (IntegerQ[p] || GtQ[c, 0])
Int[E^(ArcTanh[(a_.)*(x_)]*(n_.))*(u_.)*((c_) + (d_.)/(x_))^(p_), x_Symbol] :> Simp[x^p*((c + d/x)^p/(1 + c*(x/d))^p) Int[u*(1 + c*(x/d))^p*(E^(n*Ar cTanh[a*x])/x^p), x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[c^2 - a^2*d^2, 0] && !IntegerQ[p]
Time = 0.12 (sec) , antiderivative size = 194, normalized size of antiderivative = 0.74
method | result | size |
default | \(-\frac {\sqrt {\frac {c \left (a x -1\right )}{a x}}\, x \left (96 a^{\frac {9}{2}} \sqrt {-x \left (a x +1\right )}\, x^{4}-400 a^{\frac {7}{2}} x^{3} \sqrt {-x \left (a x +1\right )}+892 a^{\frac {5}{2}} x^{2} \sqrt {-x \left (a x +1\right )}-2230 a^{\frac {3}{2}} x \sqrt {-x \left (a x +1\right )}-3345 \arctan \left (\frac {2 a x +1}{2 \sqrt {a}\, \sqrt {-x \left (a x +1\right )}}\right ) a x -6690 \sqrt {a}\, \sqrt {-x \left (a x +1\right )}-3345 \arctan \left (\frac {2 a x +1}{2 \sqrt {a}\, \sqrt {-x \left (a x +1\right )}}\right )\right ) \sqrt {-a^{2} x^{2}+1}}{384 a^{\frac {7}{2}} \left (a x +1\right ) \sqrt {-x \left (a x +1\right )}\, \left (a x -1\right )}\) | \(194\) |
risch | \(\frac {\left (48 a^{3} x^{3}-248 a^{2} x^{2}+694 a x -1809\right ) \left (a x +1\right ) x \sqrt {\frac {c \left (a x -1\right )}{a x}}\, \sqrt {\frac {c a x \left (-a^{2} x^{2}+1\right )}{a x -1}}}{192 a^{3} \sqrt {-\left (a x +1\right ) a c x}\, \sqrt {-a^{2} x^{2}+1}}+\frac {\left (\frac {1115 \arctan \left (\frac {\sqrt {a^{2} c}\, \left (x +\frac {1}{2 a}\right )}{\sqrt {-a^{2} c \,x^{2}-a c x}}\right )}{128 a^{3} \sqrt {a^{2} c}}+\frac {8 \sqrt {-\left (x +\frac {1}{a}\right )^{2} a^{2} c +\left (x +\frac {1}{a}\right ) a c}}{a^{5} c \left (x +\frac {1}{a}\right )}\right ) \sqrt {\frac {c \left (a x -1\right )}{a x}}\, \sqrt {\frac {c a x \left (-a^{2} x^{2}+1\right )}{a x -1}}}{\sqrt {-a^{2} x^{2}+1}}\) | \(233\) |
Input:
int((c-c/a/x)^(1/2)*x^3/(a*x+1)^3*(-a^2*x^2+1)^(3/2),x,method=_RETURNVERBO SE)
Output:
-1/384*(c*(a*x-1)/a/x)^(1/2)*x*(96*a^(9/2)*(-x*(a*x+1))^(1/2)*x^4-400*a^(7 /2)*x^3*(-x*(a*x+1))^(1/2)+892*a^(5/2)*x^2*(-x*(a*x+1))^(1/2)-2230*a^(3/2) *x*(-x*(a*x+1))^(1/2)-3345*arctan(1/2/a^(1/2)*(2*a*x+1)/(-x*(a*x+1))^(1/2) )*a*x-6690*a^(1/2)*(-x*(a*x+1))^(1/2)-3345*arctan(1/2/a^(1/2)*(2*a*x+1)/(- x*(a*x+1))^(1/2)))*(-a^2*x^2+1)^(1/2)/a^(7/2)/(a*x+1)/(-x*(a*x+1))^(1/2)/( a*x-1)
Time = 0.10 (sec) , antiderivative size = 336, normalized size of antiderivative = 1.28 \[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\left [\frac {3345 \, {\left (a^{2} x^{2} - 1\right )} \sqrt {-c} \log \left (-\frac {8 \, a^{3} c x^{3} - 7 \, a c x + 4 \, {\left (2 \, a^{2} x^{2} + a x\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {-c} \sqrt {\frac {a c x - c}{a x}} - c}{a x - 1}\right ) - 4 \, {\left (48 \, a^{5} x^{5} - 200 \, a^{4} x^{4} + 446 \, a^{3} x^{3} - 1115 \, a^{2} x^{2} - 3345 \, a x\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {\frac {a c x - c}{a x}}}{768 \, {\left (a^{6} x^{2} - a^{4}\right )}}, -\frac {3345 \, {\left (a^{2} x^{2} - 1\right )} \sqrt {c} \arctan \left (\frac {2 \, \sqrt {-a^{2} x^{2} + 1} a \sqrt {c} x \sqrt {\frac {a c x - c}{a x}}}{2 \, a^{2} c x^{2} - a c x - c}\right ) + 2 \, {\left (48 \, a^{5} x^{5} - 200 \, a^{4} x^{4} + 446 \, a^{3} x^{3} - 1115 \, a^{2} x^{2} - 3345 \, a x\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {\frac {a c x - c}{a x}}}{384 \, {\left (a^{6} x^{2} - a^{4}\right )}}\right ] \] Input:
integrate((c-c/a/x)^(1/2)*x^3/(a*x+1)^3*(-a^2*x^2+1)^(3/2),x, algorithm="f ricas")
Output:
[1/768*(3345*(a^2*x^2 - 1)*sqrt(-c)*log(-(8*a^3*c*x^3 - 7*a*c*x + 4*(2*a^2 *x^2 + a*x)*sqrt(-a^2*x^2 + 1)*sqrt(-c)*sqrt((a*c*x - c)/(a*x)) - c)/(a*x - 1)) - 4*(48*a^5*x^5 - 200*a^4*x^4 + 446*a^3*x^3 - 1115*a^2*x^2 - 3345*a* x)*sqrt(-a^2*x^2 + 1)*sqrt((a*c*x - c)/(a*x)))/(a^6*x^2 - a^4), -1/384*(33 45*(a^2*x^2 - 1)*sqrt(c)*arctan(2*sqrt(-a^2*x^2 + 1)*a*sqrt(c)*x*sqrt((a*c *x - c)/(a*x))/(2*a^2*c*x^2 - a*c*x - c)) + 2*(48*a^5*x^5 - 200*a^4*x^4 + 446*a^3*x^3 - 1115*a^2*x^2 - 3345*a*x)*sqrt(-a^2*x^2 + 1)*sqrt((a*c*x - c) /(a*x)))/(a^6*x^2 - a^4)]
\[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\int \frac {x^{3} \sqrt {- c \left (-1 + \frac {1}{a x}\right )} \left (- \left (a x - 1\right ) \left (a x + 1\right )\right )^{\frac {3}{2}}}{\left (a x + 1\right )^{3}}\, dx \] Input:
integrate((c-c/a/x)**(1/2)*x**3/(a*x+1)**3*(-a**2*x**2+1)**(3/2),x)
Output:
Integral(x**3*sqrt(-c*(-1 + 1/(a*x)))*(-(a*x - 1)*(a*x + 1))**(3/2)/(a*x + 1)**3, x)
\[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\int { \frac {{\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}} \sqrt {c - \frac {c}{a x}} x^{3}}{{\left (a x + 1\right )}^{3}} \,d x } \] Input:
integrate((c-c/a/x)^(1/2)*x^3/(a*x+1)^3*(-a^2*x^2+1)^(3/2),x, algorithm="m axima")
Output:
integrate((-a^2*x^2 + 1)^(3/2)*sqrt(c - c/(a*x))*x^3/(a*x + 1)^3, x)
Exception generated. \[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\text {Exception raised: TypeError} \] Input:
integrate((c-c/a/x)^(1/2)*x^3/(a*x+1)^3*(-a^2*x^2+1)^(3/2),x, algorithm="g iac")
Output:
Exception raised: TypeError >> an error occurred running a Giac command:IN PUT:sage2:=int(sage0,sageVARx):;OUTPUT:sym2poly/r2sym(const gen & e,const index_m & i,const vecteur & l) Error: Bad Argument Value
Timed out. \[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\int \frac {x^3\,\sqrt {c-\frac {c}{a\,x}}\,{\left (1-a^2\,x^2\right )}^{3/2}}{{\left (a\,x+1\right )}^3} \,d x \] Input:
int((x^3*(c - c/(a*x))^(1/2)*(1 - a^2*x^2)^(3/2))/(a*x + 1)^3,x)
Output:
int((x^3*(c - c/(a*x))^(1/2)*(1 - a^2*x^2)^(3/2))/(a*x + 1)^3, x)
Time = 0.15 (sec) , antiderivative size = 99, normalized size of antiderivative = 0.38 \[ \int e^{-3 \text {arctanh}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx=\frac {\sqrt {c}\, i \left (-3345 \sqrt {a x +1}\, \mathrm {log}\left (\sqrt {a x +1}\, i +\sqrt {x}\, \sqrt {a}\, i \right )+2097 \sqrt {a x +1}-48 \sqrt {x}\, \sqrt {a}\, a^{4} x^{4}+200 \sqrt {x}\, \sqrt {a}\, a^{3} x^{3}-446 \sqrt {x}\, \sqrt {a}\, a^{2} x^{2}+1115 \sqrt {x}\, \sqrt {a}\, a x +3345 \sqrt {x}\, \sqrt {a}\right )}{192 \sqrt {a x +1}\, a^{4}} \] Input:
int((c-c/a/x)^(1/2)*x^3/(a*x+1)^3*(-a^2*x^2+1)^(3/2),x)
Output:
(sqrt(c)*i*( - 3345*sqrt(a*x + 1)*log(sqrt(a*x + 1)*i + sqrt(x)*sqrt(a)*i) + 2097*sqrt(a*x + 1) - 48*sqrt(x)*sqrt(a)*a**4*x**4 + 200*sqrt(x)*sqrt(a) *a**3*x**3 - 446*sqrt(x)*sqrt(a)*a**2*x**2 + 1115*sqrt(x)*sqrt(a)*a*x + 33 45*sqrt(x)*sqrt(a)))/(192*sqrt(a*x + 1)*a**4)