3.2.10 \(\int \frac {\text {csch}^3(e+f x)}{(a+b \sinh ^2(e+f x))^{3/2}} \, dx\) [110]

3.2.10.1 Optimal result
3.2.10.2 Mathematica [A] (verified)
3.2.10.3 Rubi [A] (verified)
3.2.10.4 Maple [B] (verified)
3.2.10.5 Fricas [B] (verification not implemented)
3.2.10.6 Sympy [F]
3.2.10.7 Maxima [F]
3.2.10.8 Giac [F(-2)]
3.2.10.9 Mupad [F(-1)]

3.2.10.1 Optimal result

Integrand size = 25, antiderivative size = 139 \[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\frac {(a+3 b) \text {arctanh}\left (\frac {\sqrt {a} \cosh (e+f x)}{\sqrt {a-b+b \cosh ^2(e+f x)}}\right )}{2 a^{5/2} f}-\frac {(a-3 b) b \cosh (e+f x)}{2 a^2 (a-b) f \sqrt {a-b+b \cosh ^2(e+f x)}}-\frac {\coth (e+f x) \text {csch}(e+f x)}{2 a f \sqrt {a-b+b \cosh ^2(e+f x)}} \]

output
1/2*(a+3*b)*arctanh(cosh(f*x+e)*a^(1/2)/(a-b+b*cosh(f*x+e)^2)^(1/2))/a^(5/ 
2)/f-1/2*(a-3*b)*b*cosh(f*x+e)/a^2/(a-b)/f/(a-b+b*cosh(f*x+e)^2)^(1/2)-1/2 
*coth(f*x+e)*csch(f*x+e)/a/f/(a-b+b*cosh(f*x+e)^2)^(1/2)
 
3.2.10.2 Mathematica [A] (verified)

Time = 0.79 (sec) , antiderivative size = 134, normalized size of antiderivative = 0.96 \[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\frac {\frac {(a+3 b) \text {arctanh}\left (\frac {\sqrt {2} \sqrt {a} \cosh (e+f x)}{\sqrt {2 a-b+b \cosh (2 (e+f x))}}\right )}{a^{5/2}}-\frac {\left (2 a^2-3 a b+3 b^2+(a-3 b) b \cosh (2 (e+f x))\right ) \coth (e+f x) \text {csch}(e+f x)}{a^2 (a-b) \sqrt {4 a-2 b+2 b \cosh (2 (e+f x))}}}{2 f} \]

input
Integrate[Csch[e + f*x]^3/(a + b*Sinh[e + f*x]^2)^(3/2),x]
 
output
(((a + 3*b)*ArcTanh[(Sqrt[2]*Sqrt[a]*Cosh[e + f*x])/Sqrt[2*a - b + b*Cosh[ 
2*(e + f*x)]]])/a^(5/2) - ((2*a^2 - 3*a*b + 3*b^2 + (a - 3*b)*b*Cosh[2*(e 
+ f*x)])*Coth[e + f*x]*Csch[e + f*x])/(a^2*(a - b)*Sqrt[4*a - 2*b + 2*b*Co 
sh[2*(e + f*x)]]))/(2*f)
 
3.2.10.3 Rubi [A] (verified)

Time = 0.35 (sec) , antiderivative size = 145, normalized size of antiderivative = 1.04, number of steps used = 10, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.360, Rules used = {3042, 26, 3665, 316, 402, 25, 27, 291, 219}

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.

\(\displaystyle \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx\)

\(\Big \downarrow \) 3042

\(\displaystyle \int -\frac {i}{\sin (i e+i f x)^3 \left (a-b \sin (i e+i f x)^2\right )^{3/2}}dx\)

\(\Big \downarrow \) 26

\(\displaystyle -i \int \frac {1}{\sin (i e+i f x)^3 \left (a-b \sin (i e+i f x)^2\right )^{3/2}}dx\)

\(\Big \downarrow \) 3665

\(\displaystyle \frac {\int \frac {1}{\left (1-\cosh ^2(e+f x)\right )^2 \left (b \cosh ^2(e+f x)+a-b\right )^{3/2}}d\cosh (e+f x)}{f}\)

\(\Big \downarrow \) 316

\(\displaystyle \frac {\frac {\int \frac {2 b \cosh ^2(e+f x)+a+b}{\left (1-\cosh ^2(e+f x)\right ) \left (b \cosh ^2(e+f x)+a-b\right )^{3/2}}d\cosh (e+f x)}{2 a}+\frac {\cosh (e+f x)}{2 a \left (1-\cosh ^2(e+f x)\right ) \sqrt {a+b \cosh ^2(e+f x)-b}}}{f}\)

\(\Big \downarrow \) 402

\(\displaystyle \frac {\frac {-\frac {\int -\frac {(a-b) (a+3 b)}{\left (1-\cosh ^2(e+f x)\right ) \sqrt {b \cosh ^2(e+f x)+a-b}}d\cosh (e+f x)}{a (a-b)}-\frac {b (a-3 b) \cosh (e+f x)}{a (a-b) \sqrt {a+b \cosh ^2(e+f x)-b}}}{2 a}+\frac {\cosh (e+f x)}{2 a \left (1-\cosh ^2(e+f x)\right ) \sqrt {a+b \cosh ^2(e+f x)-b}}}{f}\)

\(\Big \downarrow \) 25

\(\displaystyle \frac {\frac {\frac {\int \frac {(a-b) (a+3 b)}{\left (1-\cosh ^2(e+f x)\right ) \sqrt {b \cosh ^2(e+f x)+a-b}}d\cosh (e+f x)}{a (a-b)}-\frac {b (a-3 b) \cosh (e+f x)}{a (a-b) \sqrt {a+b \cosh ^2(e+f x)-b}}}{2 a}+\frac {\cosh (e+f x)}{2 a \left (1-\cosh ^2(e+f x)\right ) \sqrt {a+b \cosh ^2(e+f x)-b}}}{f}\)

\(\Big \downarrow \) 27

\(\displaystyle \frac {\frac {\frac {(a+3 b) \int \frac {1}{\left (1-\cosh ^2(e+f x)\right ) \sqrt {b \cosh ^2(e+f x)+a-b}}d\cosh (e+f x)}{a}-\frac {b (a-3 b) \cosh (e+f x)}{a (a-b) \sqrt {a+b \cosh ^2(e+f x)-b}}}{2 a}+\frac {\cosh (e+f x)}{2 a \left (1-\cosh ^2(e+f x)\right ) \sqrt {a+b \cosh ^2(e+f x)-b}}}{f}\)

\(\Big \downarrow \) 291

\(\displaystyle \frac {\frac {\frac {(a+3 b) \int \frac {1}{1-\frac {a \cosh ^2(e+f x)}{b \cosh ^2(e+f x)+a-b}}d\frac {\cosh (e+f x)}{\sqrt {b \cosh ^2(e+f x)+a-b}}}{a}-\frac {b (a-3 b) \cosh (e+f x)}{a (a-b) \sqrt {a+b \cosh ^2(e+f x)-b}}}{2 a}+\frac {\cosh (e+f x)}{2 a \left (1-\cosh ^2(e+f x)\right ) \sqrt {a+b \cosh ^2(e+f x)-b}}}{f}\)

\(\Big \downarrow \) 219

\(\displaystyle \frac {\frac {\frac {(a+3 b) \text {arctanh}\left (\frac {\sqrt {a} \cosh (e+f x)}{\sqrt {a+b \cosh ^2(e+f x)-b}}\right )}{a^{3/2}}-\frac {b (a-3 b) \cosh (e+f x)}{a (a-b) \sqrt {a+b \cosh ^2(e+f x)-b}}}{2 a}+\frac {\cosh (e+f x)}{2 a \left (1-\cosh ^2(e+f x)\right ) \sqrt {a+b \cosh ^2(e+f x)-b}}}{f}\)

input
Int[Csch[e + f*x]^3/(a + b*Sinh[e + f*x]^2)^(3/2),x]
 
output
(Cosh[e + f*x]/(2*a*(1 - Cosh[e + f*x]^2)*Sqrt[a - b + b*Cosh[e + f*x]^2]) 
 + (((a + 3*b)*ArcTanh[(Sqrt[a]*Cosh[e + f*x])/Sqrt[a - b + b*Cosh[e + f*x 
]^2]])/a^(3/2) - ((a - 3*b)*b*Cosh[e + f*x])/(a*(a - b)*Sqrt[a - b + b*Cos 
h[e + f*x]^2]))/(2*a))/f
 

3.2.10.3.1 Defintions of rubi rules used

rule 25
Int[-(Fx_), x_Symbol] :> Simp[Identity[-1]   Int[Fx, x], x]
 

rule 26
Int[(Complex[0, a_])*(Fx_), x_Symbol] :> Simp[(Complex[Identity[0], a])   I 
nt[Fx, x], x] /; FreeQ[a, x] && EqQ[a^2, 1]
 

rule 27
Int[(a_)*(Fx_), x_Symbol] :> Simp[a   Int[Fx, x], x] /; FreeQ[a, x] &&  !Ma 
tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
 

rule 219
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1/(Rt[a, 2]*Rt[-b, 2]))* 
ArcTanh[Rt[-b, 2]*(x/Rt[a, 2])], x] /; FreeQ[{a, b}, x] && NegQ[a/b] && (Gt 
Q[a, 0] || LtQ[b, 0])
 

rule 291
Int[1/(Sqrt[(a_) + (b_.)*(x_)^2]*((c_) + (d_.)*(x_)^2)), x_Symbol] :> Subst 
[Int[1/(c - (b*c - a*d)*x^2), x], x, x/Sqrt[a + b*x^2]] /; FreeQ[{a, b, c, 
d}, x] && NeQ[b*c - a*d, 0]
 

rule 316
Int[((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2)^(q_), x_Symbol] :> Sim 
p[(-b)*x*(a + b*x^2)^(p + 1)*((c + d*x^2)^(q + 1)/(2*a*(p + 1)*(b*c - a*d)) 
), x] + Simp[1/(2*a*(p + 1)*(b*c - a*d))   Int[(a + b*x^2)^(p + 1)*(c + d*x 
^2)^q*Simp[b*c + 2*(p + 1)*(b*c - a*d) + d*b*(2*(p + q + 2) + 1)*x^2, x], x 
], x] /; FreeQ[{a, b, c, d, q}, x] && NeQ[b*c - a*d, 0] && LtQ[p, -1] &&  ! 
( !IntegerQ[p] && IntegerQ[q] && LtQ[q, -1]) && IntBinomialQ[a, b, c, d, 2, 
 p, q, x]
 

rule 402
Int[((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2)^(q_.)*((e_) + (f_.)*(x 
_)^2), x_Symbol] :> Simp[(-(b*e - a*f))*x*(a + b*x^2)^(p + 1)*((c + d*x^2)^ 
(q + 1)/(a*2*(b*c - a*d)*(p + 1))), x] + Simp[1/(a*2*(b*c - a*d)*(p + 1)) 
 Int[(a + b*x^2)^(p + 1)*(c + d*x^2)^q*Simp[c*(b*e - a*f) + e*2*(b*c - a*d) 
*(p + 1) + d*(b*e - a*f)*(2*(p + q + 2) + 1)*x^2, x], x], x] /; FreeQ[{a, b 
, c, d, e, f, q}, x] && LtQ[p, -1]
 

rule 3042
Int[u_, x_Symbol] :> Int[DeactivateTrig[u, x], x] /; FunctionOfTrigOfLinear 
Q[u, x]
 

rule 3665
Int[sin[(e_.) + (f_.)*(x_)]^(m_.)*((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)]^2)^ 
(p_.), x_Symbol] :> With[{ff = FreeFactors[Cos[e + f*x], x]}, Simp[-ff/f 
Subst[Int[(1 - ff^2*x^2)^((m - 1)/2)*(a + b - b*ff^2*x^2)^p, x], x, Cos[e + 
 f*x]/ff], x]] /; FreeQ[{a, b, e, f, p}, x] && IntegerQ[(m - 1)/2]
 
3.2.10.4 Maple [B] (verified)

Leaf count of result is larger than twice the leaf count of optimal. \(250\) vs. \(2(123)=246\).

Time = 0.10 (sec) , antiderivative size = 251, normalized size of antiderivative = 1.81

\[\frac {\sqrt {\left (a +b \sinh \left (f x +e \right )^{2}\right ) \cosh \left (f x +e \right )^{2}}\, \left (-\frac {\sqrt {\left (a +b \sinh \left (f x +e \right )^{2}\right ) \cosh \left (f x +e \right )^{2}}}{2 a^{2} \sinh \left (f x +e \right )^{2}}+\frac {\ln \left (\frac {2 a +\left (a +b \right ) \sinh \left (f x +e \right )^{2}+2 \sqrt {a}\, \sqrt {\left (a +b \sinh \left (f x +e \right )^{2}\right ) \cosh \left (f x +e \right )^{2}}}{\sinh \left (f x +e \right )^{2}}\right )}{4 a^{\frac {3}{2}}}+\frac {3 b \ln \left (\frac {2 a +\left (a +b \right ) \sinh \left (f x +e \right )^{2}+2 \sqrt {a}\, \sqrt {\left (a +b \sinh \left (f x +e \right )^{2}\right ) \cosh \left (f x +e \right )^{2}}}{\sinh \left (f x +e \right )^{2}}\right )}{4 a^{\frac {5}{2}}}+\frac {b^{2} \cosh \left (f x +e \right )^{2}}{a^{2} \left (a -b \right ) \sqrt {\left (a +b \sinh \left (f x +e \right )^{2}\right ) \cosh \left (f x +e \right )^{2}}}\right )}{\cosh \left (f x +e \right ) \sqrt {a +b \sinh \left (f x +e \right )^{2}}\, f}\]

input
int(csch(f*x+e)^3/(a+b*sinh(f*x+e)^2)^(3/2),x)
 
output
((a+b*sinh(f*x+e)^2)*cosh(f*x+e)^2)^(1/2)*(-1/2/a^2/sinh(f*x+e)^2*((a+b*si 
nh(f*x+e)^2)*cosh(f*x+e)^2)^(1/2)+1/4/a^(3/2)*ln((2*a+(a+b)*sinh(f*x+e)^2+ 
2*a^(1/2)*((a+b*sinh(f*x+e)^2)*cosh(f*x+e)^2)^(1/2))/sinh(f*x+e)^2)+3/4*b/ 
a^(5/2)*ln((2*a+(a+b)*sinh(f*x+e)^2+2*a^(1/2)*((a+b*sinh(f*x+e)^2)*cosh(f* 
x+e)^2)^(1/2))/sinh(f*x+e)^2)+b^2/a^2*cosh(f*x+e)^2/(a-b)/((a+b*sinh(f*x+e 
)^2)*cosh(f*x+e)^2)^(1/2))/cosh(f*x+e)/(a+b*sinh(f*x+e)^2)^(1/2)/f
 
3.2.10.5 Fricas [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 2169 vs. \(2 (123) = 246\).

Time = 0.48 (sec) , antiderivative size = 4441, normalized size of antiderivative = 31.95 \[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\text {Too large to display} \]

input
integrate(csch(f*x+e)^3/(a+b*sinh(f*x+e)^2)^(3/2),x, algorithm="fricas")
 
output
[1/4*(((a^2*b + 2*a*b^2 - 3*b^3)*cosh(f*x + e)^8 + 8*(a^2*b + 2*a*b^2 - 3* 
b^3)*cosh(f*x + e)*sinh(f*x + e)^7 + (a^2*b + 2*a*b^2 - 3*b^3)*sinh(f*x + 
e)^8 + 4*(a^3 + a^2*b - 5*a*b^2 + 3*b^3)*cosh(f*x + e)^6 + 4*(a^3 + a^2*b 
- 5*a*b^2 + 3*b^3 + 7*(a^2*b + 2*a*b^2 - 3*b^3)*cosh(f*x + e)^2)*sinh(f*x 
+ e)^6 + 8*(7*(a^2*b + 2*a*b^2 - 3*b^3)*cosh(f*x + e)^3 + 3*(a^3 + a^2*b - 
 5*a*b^2 + 3*b^3)*cosh(f*x + e))*sinh(f*x + e)^5 - 2*(4*a^3 + 5*a^2*b - 18 
*a*b^2 + 9*b^3)*cosh(f*x + e)^4 + 2*(35*(a^2*b + 2*a*b^2 - 3*b^3)*cosh(f*x 
 + e)^4 - 4*a^3 - 5*a^2*b + 18*a*b^2 - 9*b^3 + 30*(a^3 + a^2*b - 5*a*b^2 + 
 3*b^3)*cosh(f*x + e)^2)*sinh(f*x + e)^4 + 8*(7*(a^2*b + 2*a*b^2 - 3*b^3)* 
cosh(f*x + e)^5 + 10*(a^3 + a^2*b - 5*a*b^2 + 3*b^3)*cosh(f*x + e)^3 - (4* 
a^3 + 5*a^2*b - 18*a*b^2 + 9*b^3)*cosh(f*x + e))*sinh(f*x + e)^3 + a^2*b + 
 2*a*b^2 - 3*b^3 + 4*(a^3 + a^2*b - 5*a*b^2 + 3*b^3)*cosh(f*x + e)^2 + 4*( 
7*(a^2*b + 2*a*b^2 - 3*b^3)*cosh(f*x + e)^6 + 15*(a^3 + a^2*b - 5*a*b^2 + 
3*b^3)*cosh(f*x + e)^4 + a^3 + a^2*b - 5*a*b^2 + 3*b^3 - 3*(4*a^3 + 5*a^2* 
b - 18*a*b^2 + 9*b^3)*cosh(f*x + e)^2)*sinh(f*x + e)^2 + 8*((a^2*b + 2*a*b 
^2 - 3*b^3)*cosh(f*x + e)^7 + 3*(a^3 + a^2*b - 5*a*b^2 + 3*b^3)*cosh(f*x + 
 e)^5 - (4*a^3 + 5*a^2*b - 18*a*b^2 + 9*b^3)*cosh(f*x + e)^3 + (a^3 + a^2* 
b - 5*a*b^2 + 3*b^3)*cosh(f*x + e))*sinh(f*x + e))*sqrt(a)*log(-((a + b)*c 
osh(f*x + e)^4 + 4*(a + b)*cosh(f*x + e)*sinh(f*x + e)^3 + (a + b)*sinh(f* 
x + e)^4 + 2*(3*a - b)*cosh(f*x + e)^2 + 2*(3*(a + b)*cosh(f*x + e)^2 +...
 
3.2.10.6 Sympy [F]

\[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\int \frac {\operatorname {csch}^{3}{\left (e + f x \right )}}{\left (a + b \sinh ^{2}{\left (e + f x \right )}\right )^{\frac {3}{2}}}\, dx \]

input
integrate(csch(f*x+e)**3/(a+b*sinh(f*x+e)**2)**(3/2),x)
 
output
Integral(csch(e + f*x)**3/(a + b*sinh(e + f*x)**2)**(3/2), x)
 
3.2.10.7 Maxima [F]

\[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\int { \frac {\operatorname {csch}\left (f x + e\right )^{3}}{{\left (b \sinh \left (f x + e\right )^{2} + a\right )}^{\frac {3}{2}}} \,d x } \]

input
integrate(csch(f*x+e)^3/(a+b*sinh(f*x+e)^2)^(3/2),x, algorithm="maxima")
 
output
integrate(csch(f*x + e)^3/(b*sinh(f*x + e)^2 + a)^(3/2), x)
 
3.2.10.8 Giac [F(-2)]

Exception generated. \[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\text {Exception raised: TypeError} \]

input
integrate(csch(f*x+e)^3/(a+b*sinh(f*x+e)^2)^(3/2),x, algorithm="giac")
 
output
Exception raised: TypeError >> an error occurred running a Giac command:IN 
PUT:sage2:=int(sage0,sageVARx):;OUTPUT:Error: Bad Argument Type
 
3.2.10.9 Mupad [F(-1)]

Timed out. \[ \int \frac {\text {csch}^3(e+f x)}{\left (a+b \sinh ^2(e+f x)\right )^{3/2}} \, dx=\int \frac {1}{{\mathrm {sinh}\left (e+f\,x\right )}^3\,{\left (b\,{\mathrm {sinh}\left (e+f\,x\right )}^2+a\right )}^{3/2}} \,d x \]

input
int(1/(sinh(e + f*x)^3*(a + b*sinh(e + f*x)^2)^(3/2)),x)
 
output
int(1/(sinh(e + f*x)^3*(a + b*sinh(e + f*x)^2)^(3/2)), x)