Integrand size = 24, antiderivative size = 329 \[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}-\frac {16 c x (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}{3 \sqrt {\text {arccosh}(a x)}}-\frac {2 c \sqrt {\pi } \sqrt {c-a^2 c x^2} \text {erf}\left (2 \sqrt {\text {arccosh}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}+\frac {2 c \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {erf}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}-\frac {2 c \sqrt {\pi } \sqrt {c-a^2 c x^2} \text {erfi}\left (2 \sqrt {\text {arccosh}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}+\frac {2 c \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {erfi}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}} \]
-2/3*(-a^2*c*x^2+c)^(3/2)*(a*x-1)^(1/2)*(a*x+1)^(1/2)/a/arccosh(a*x)^(3/2) -2/3*c*erf(2*arccosh(a*x)^(1/2))*Pi^(1/2)*(-a^2*c*x^2+c)^(1/2)/a/(a*x-1)^( 1/2)/(a*x+1)^(1/2)-2/3*c*erfi(2*arccosh(a*x)^(1/2))*Pi^(1/2)*(-a^2*c*x^2+c )^(1/2)/a/(a*x-1)^(1/2)/(a*x+1)^(1/2)+2/3*c*erf(2^(1/2)*arccosh(a*x)^(1/2) )*2^(1/2)*Pi^(1/2)*(-a^2*c*x^2+c)^(1/2)/a/(a*x-1)^(1/2)/(a*x+1)^(1/2)+2/3* c*erfi(2^(1/2)*arccosh(a*x)^(1/2))*2^(1/2)*Pi^(1/2)*(-a^2*c*x^2+c)^(1/2)/a /(a*x-1)^(1/2)/(a*x+1)^(1/2)-16/3*c*x*(-a*x+1)*(a*x+1)*(-a^2*c*x^2+c)^(1/2 )/arccosh(a*x)^(1/2)
Time = 0.45 (sec) , antiderivative size = 317, normalized size of antiderivative = 0.96 \[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=-\frac {c e^{-4 \text {arccosh}(a x)} \sqrt {c-a^2 c x^2} \left (-1-14 e^{4 \text {arccosh}(a x)}-e^{8 \text {arccosh}(a x)}+16 a^2 e^{4 \text {arccosh}(a x)} x^2+8 \text {arccosh}(a x)-8 e^{8 \text {arccosh}(a x)} \text {arccosh}(a x)+64 a e^{4 \text {arccosh}(a x)} x \sqrt {\frac {-1+a x}{1+a x}} \text {arccosh}(a x)+64 a^2 e^{4 \text {arccosh}(a x)} x^2 \sqrt {\frac {-1+a x}{1+a x}} \text {arccosh}(a x)-16 e^{4 \text {arccosh}(a x)} (-\text {arccosh}(a x))^{3/2} \Gamma \left (\frac {1}{2},-4 \text {arccosh}(a x)\right )+16 \sqrt {2} e^{4 \text {arccosh}(a x)} (-\text {arccosh}(a x))^{3/2} \Gamma \left (\frac {1}{2},-2 \text {arccosh}(a x)\right )+16 \sqrt {2} e^{4 \text {arccosh}(a x)} \text {arccosh}(a x)^{3/2} \Gamma \left (\frac {1}{2},2 \text {arccosh}(a x)\right )-16 e^{4 \text {arccosh}(a x)} \text {arccosh}(a x)^{3/2} \Gamma \left (\frac {1}{2},4 \text {arccosh}(a x)\right )\right )}{24 a \sqrt {\frac {-1+a x}{1+a x}} (1+a x) \text {arccosh}(a x)^{3/2}} \]
-1/24*(c*Sqrt[c - a^2*c*x^2]*(-1 - 14*E^(4*ArcCosh[a*x]) - E^(8*ArcCosh[a* x]) + 16*a^2*E^(4*ArcCosh[a*x])*x^2 + 8*ArcCosh[a*x] - 8*E^(8*ArcCosh[a*x] )*ArcCosh[a*x] + 64*a*E^(4*ArcCosh[a*x])*x*Sqrt[(-1 + a*x)/(1 + a*x)]*ArcC osh[a*x] + 64*a^2*E^(4*ArcCosh[a*x])*x^2*Sqrt[(-1 + a*x)/(1 + a*x)]*ArcCos h[a*x] - 16*E^(4*ArcCosh[a*x])*(-ArcCosh[a*x])^(3/2)*Gamma[1/2, -4*ArcCosh [a*x]] + 16*Sqrt[2]*E^(4*ArcCosh[a*x])*(-ArcCosh[a*x])^(3/2)*Gamma[1/2, -2 *ArcCosh[a*x]] + 16*Sqrt[2]*E^(4*ArcCosh[a*x])*ArcCosh[a*x]^(3/2)*Gamma[1/ 2, 2*ArcCosh[a*x]] - 16*E^(4*ArcCosh[a*x])*ArcCosh[a*x]^(3/2)*Gamma[1/2, 4 *ArcCosh[a*x]]))/(a*E^(4*ArcCosh[a*x])*Sqrt[(-1 + a*x)/(1 + a*x)]*(1 + a*x )*ArcCosh[a*x]^(3/2))
Time = 2.20 (sec) , antiderivative size = 251, normalized size of antiderivative = 0.76, number of steps used = 13, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {6319, 25, 6327, 6357, 6322, 3042, 25, 3793, 2009, 6368, 5971, 2009}
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.
\(\displaystyle \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx\) |
\(\Big \downarrow \) 6319 |
\(\displaystyle -\frac {8 a c \sqrt {c-a^2 c x^2} \int -\frac {x (1-a x) (a x+1)}{\text {arccosh}(a x)^{3/2}}dx}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \int \frac {x (1-a x) (a x+1)}{\text {arccosh}(a x)^{3/2}}dx}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 6327 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \int \frac {x \left (1-a^2 x^2\right )}{\text {arccosh}(a x)^{3/2}}dx}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 6357 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (-8 a \int \frac {x^2 \sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx+\frac {2 \int \frac {\sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx}{a}+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 6322 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (\frac {2 \int \frac {(a x-1) (a x+1)}{\sqrt {\text {arccosh}(a x)}}d\text {arccosh}(a x)}{a^2}-8 a \int \frac {x^2 \sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle -\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}+\frac {8 a c \sqrt {c-a^2 c x^2} \left (\frac {2 \int -\frac {\sin (i \text {arccosh}(a x))^2}{\sqrt {\text {arccosh}(a x)}}d\text {arccosh}(a x)}{a^2}-8 a \int \frac {x^2 \sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle -\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}+\frac {8 a c \sqrt {c-a^2 c x^2} \left (-\frac {2 \int \frac {\sin (i \text {arccosh}(a x))^2}{\sqrt {\text {arccosh}(a x)}}d\text {arccosh}(a x)}{a^2}-8 a \int \frac {x^2 \sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}\) |
\(\Big \downarrow \) 3793 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (-\frac {2 \int \left (\frac {1}{2 \sqrt {\text {arccosh}(a x)}}-\frac {\cosh (2 \text {arccosh}(a x))}{2 \sqrt {\text {arccosh}(a x)}}\right )d\text {arccosh}(a x)}{a^2}-8 a \int \frac {x^2 \sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (-8 a \int \frac {x^2 \sqrt {a x-1} \sqrt {a x+1}}{\sqrt {\text {arccosh}(a x)}}dx+\frac {2 \left (\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erf}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )+\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )-\sqrt {\text {arccosh}(a x)}\right )}{a^2}+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 6368 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (-\frac {8 \int \frac {a^2 x^2 (a x-1) (a x+1)}{\sqrt {\text {arccosh}(a x)}}d\text {arccosh}(a x)}{a^2}+\frac {2 \left (\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erf}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )+\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )-\sqrt {\text {arccosh}(a x)}\right )}{a^2}+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 5971 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (-\frac {8 \int \left (\frac {\cosh (4 \text {arccosh}(a x))}{8 \sqrt {\text {arccosh}(a x)}}-\frac {1}{8 \sqrt {\text {arccosh}(a x)}}\right )d\text {arccosh}(a x)}{a^2}+\frac {2 \left (\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erf}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )+\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )-\sqrt {\text {arccosh}(a x)}\right )}{a^2}+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {8 a c \sqrt {c-a^2 c x^2} \left (-\frac {8 \left (\frac {1}{32} \sqrt {\pi } \text {erf}\left (2 \sqrt {\text {arccosh}(a x)}\right )+\frac {1}{32} \sqrt {\pi } \text {erfi}\left (2 \sqrt {\text {arccosh}(a x)}\right )-\frac {1}{4} \sqrt {\text {arccosh}(a x)}\right )}{a^2}+\frac {2 \left (\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erf}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )+\frac {1}{4} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\sqrt {2} \sqrt {\text {arccosh}(a x)}\right )-\sqrt {\text {arccosh}(a x)}\right )}{a^2}+\frac {2 x (a x-1)^{3/2} (a x+1)^{3/2}}{a \sqrt {\text {arccosh}(a x)}}\right )}{3 \sqrt {a x-1} \sqrt {a x+1}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \left (c-a^2 c x^2\right )^{3/2}}{3 a \text {arccosh}(a x)^{3/2}}\) |
(-2*Sqrt[-1 + a*x]*Sqrt[1 + a*x]*(c - a^2*c*x^2)^(3/2))/(3*a*ArcCosh[a*x]^ (3/2)) + (8*a*c*Sqrt[c - a^2*c*x^2]*((2*x*(-1 + a*x)^(3/2)*(1 + a*x)^(3/2) )/(a*Sqrt[ArcCosh[a*x]]) - (8*(-1/4*Sqrt[ArcCosh[a*x]] + (Sqrt[Pi]*Erf[2*S qrt[ArcCosh[a*x]]])/32 + (Sqrt[Pi]*Erfi[2*Sqrt[ArcCosh[a*x]]])/32))/a^2 + (2*(-Sqrt[ArcCosh[a*x]] + (Sqrt[Pi/2]*Erf[Sqrt[2]*Sqrt[ArcCosh[a*x]]])/4 + (Sqrt[Pi/2]*Erfi[Sqrt[2]*Sqrt[ArcCosh[a*x]]])/4))/a^2))/(3*Sqrt[-1 + a*x] *Sqrt[1 + a*x])
3.5.14.3.1 Defintions of rubi rules used
Int[((c_.) + (d_.)*(x_))^(m_)*sin[(e_.) + (f_.)*(x_)]^(n_), x_Symbol] :> In t[ExpandTrigReduce[(c + d*x)^m, Sin[e + f*x]^n, x], x] /; FreeQ[{c, d, e, f , m}, x] && IGtQ[n, 1] && ( !RationalQ[m] || (GeQ[m, -1] && LtQ[m, 1]))
Int[Cosh[(a_.) + (b_.)*(x_)]^(p_.)*((c_.) + (d_.)*(x_))^(m_.)*Sinh[(a_.) + (b_.)*(x_)]^(n_.), x_Symbol] :> Int[ExpandTrigReduce[(c + d*x)^m, Sinh[a + b*x]^n*Cosh[a + b*x]^p, x], x] /; FreeQ[{a, b, c, d, m}, x] && IGtQ[n, 0] & & IGtQ[p, 0]
Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_)*((d_) + (e_.)*(x_)^2)^(p_.), x _Symbol] :> Simp[Simp[Sqrt[1 + c*x]*Sqrt[-1 + c*x]*(d + e*x^2)^p]*((a + b*A rcCosh[c*x])^(n + 1)/(b*c*(n + 1))), x] - Simp[c*((2*p + 1)/(b*(n + 1)))*Si mp[(d + e*x^2)^p/((1 + c*x)^p*(-1 + c*x)^p)] Int[x*(1 + c*x)^(p - 1/2)*(- 1 + c*x)^(p - 1/2)*(a + b*ArcCosh[c*x])^(n + 1), x], x] /; FreeQ[{a, b, c, d, e, p}, x] && EqQ[c^2*d + e, 0] && LtQ[n, -1] && IntegerQ[2*p]
Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_.)*((d1_) + (e1_.)*(x_))^(p_.)*( (d2_) + (e2_.)*(x_))^(p_.), x_Symbol] :> Simp[(1/(b*c))*Simp[(d1 + e1*x)^p/ (1 + c*x)^p]*Simp[(d2 + e2*x)^p/(-1 + c*x)^p] Subst[Int[x^n*Sinh[-a/b + x /b]^(2*p + 1), x], x, a + b*ArcCosh[c*x]], x] /; FreeQ[{a, b, c, d1, e1, d2 , e2, n}, x] && EqQ[e1, c*d1] && EqQ[e2, (-c)*d2] && IGtQ[2*p, 0]
Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_.)*((f_.)*(x_))^(m_.)*((d1_) + ( e1_.)*(x_))^(p_.)*((d2_) + (e2_.)*(x_))^(p_.), x_Symbol] :> Int[(f*x)^m*(d1 *d2 + e1*e2*x^2)^p*(a + b*ArcCosh[c*x])^n, x] /; FreeQ[{a, b, c, d1, e1, d2 , e2, f, m, n}, x] && EqQ[d2*e1 + d1*e2, 0] && IntegerQ[p]
Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_)*((f_.)*(x_))^(m_.)*((d_) + (e_ .)*(x_)^2)^(p_.), x_Symbol] :> Simp[(f*x)^m*Simp[Sqrt[1 + c*x]*Sqrt[-1 + c* x]*(d + e*x^2)^p]*((a + b*ArcCosh[c*x])^(n + 1)/(b*c*(n + 1))), x] + (Simp[ f*(m/(b*c*(n + 1)))*Simp[(d + e*x^2)^p/((1 + c*x)^p*(-1 + c*x)^p)] Int[(f *x)^(m - 1)*(1 + c*x)^(p - 1/2)*(-1 + c*x)^(p - 1/2)*(a + b*ArcCosh[c*x])^( n + 1), x], x] - Simp[c*((m + 2*p + 1)/(b*f*(n + 1)))*Simp[(d + e*x^2)^p/(( 1 + c*x)^p*(-1 + c*x)^p)] Int[(f*x)^(m + 1)*(1 + c*x)^(p - 1/2)*(-1 + c*x )^(p - 1/2)*(a + b*ArcCosh[c*x])^(n + 1), x], x]) /; FreeQ[{a, b, c, d, e, f, m, p}, x] && EqQ[c^2*d + e, 0] && LtQ[n, -1] && IGtQ[2*p, 0] && NeQ[m + 2*p + 1, 0] && IGtQ[m, -3]
Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_.)*(x_)^(m_.)*((d1_) + (e1_.)*(x _))^(p_.)*((d2_) + (e2_.)*(x_))^(p_.), x_Symbol] :> Simp[(1/(b*c^(m + 1)))* Simp[(d1 + e1*x)^p/(1 + c*x)^p]*Simp[(d2 + e2*x)^p/(-1 + c*x)^p] Subst[In t[x^n*Cosh[-a/b + x/b]^m*Sinh[-a/b + x/b]^(2*p + 1), x], x, a + b*ArcCosh[c *x]], x] /; FreeQ[{a, b, c, d1, e1, d2, e2, n}, x] && EqQ[e1, c*d1] && EqQ[ e2, (-c)*d2] && IGtQ[p + 3/2, 0] && IGtQ[m, 0]
\[\int \frac {\left (-a^{2} c \,x^{2}+c \right )^{\frac {3}{2}}}{\operatorname {arccosh}\left (a x \right )^{\frac {5}{2}}}d x\]
Exception generated. \[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=\text {Exception raised: TypeError} \]
Exception raised: TypeError >> Error detected within library code: inte grate: implementation incomplete (constant residues)
Timed out. \[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=\text {Timed out} \]
\[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=\int { \frac {{\left (-a^{2} c x^{2} + c\right )}^{\frac {3}{2}}}{\operatorname {arcosh}\left (a x\right )^{\frac {5}{2}}} \,d x } \]
\[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=\int { \frac {{\left (-a^{2} c x^{2} + c\right )}^{\frac {3}{2}}}{\operatorname {arcosh}\left (a x\right )^{\frac {5}{2}}} \,d x } \]
Timed out. \[ \int \frac {\left (c-a^2 c x^2\right )^{3/2}}{\text {arccosh}(a x)^{5/2}} \, dx=\int \frac {{\left (c-a^2\,c\,x^2\right )}^{3/2}}{{\mathrm {acosh}\left (a\,x\right )}^{5/2}} \,d x \]