3.13 \(\int \frac {1}{(a+b \text {csch}^2(c+d x))^{3/2}} \, dx\)
Optimal. Leaf size=82 \[ \frac {\tanh ^{-1}\left (\frac {\sqrt {a} \coth (c+d x)}{\sqrt {a+b \coth ^2(c+d x)-b}}\right )}{a^{3/2} d}+\frac {b \coth (c+d x)}{a d (a-b) \sqrt {a+b \coth ^2(c+d x)-b}} \]
[Out]
arctanh(coth(d*x+c)*a^(1/2)/(a-b+b*coth(d*x+c)^2)^(1/2))/a^(3/2)/d+b*coth(d*x+c)/a/(a-b)/d/(a-b+b*coth(d*x+c)^
2)^(1/2)
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Rubi [A] time = 0.06, antiderivative size = 82, normalized size of antiderivative = 1.00,
number of steps used = 4, number of rules used = 4, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used =
{4128, 382, 377, 206} \[ \frac {\tanh ^{-1}\left (\frac {\sqrt {a} \coth (c+d x)}{\sqrt {a+b \coth ^2(c+d x)-b}}\right )}{a^{3/2} d}+\frac {b \coth (c+d x)}{a d (a-b) \sqrt {a+b \coth ^2(c+d x)-b}} \]
Antiderivative was successfully verified.
[In]
Int[(a + b*Csch[c + d*x]^2)^(-3/2),x]
[Out]
ArcTanh[(Sqrt[a]*Coth[c + d*x])/Sqrt[a - b + b*Coth[c + d*x]^2]]/(a^(3/2)*d) + (b*Coth[c + d*x])/(a*(a - b)*d*
Sqrt[a - b + b*Coth[c + d*x]^2])
Rule 206
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1*ArcTanh[(Rt[-b, 2]*x)/Rt[a, 2]])/(Rt[a, 2]*Rt[-b, 2]), x]
/; FreeQ[{a, b}, x] && NegQ[a/b] && (GtQ[a, 0] || LtQ[b, 0])
Rule 377
Int[((a_) + (b_.)*(x_)^(n_))^(p_)/((c_) + (d_.)*(x_)^(n_)), x_Symbol] :> Subst[Int[1/(c - (b*c - a*d)*x^n), x]
, x, x/(a + b*x^n)^(1/n)] /; FreeQ[{a, b, c, d}, x] && NeQ[b*c - a*d, 0] && EqQ[n*p + 1, 0] && IntegerQ[n]
Rule 382
Int[((a_) + (b_.)*(x_)^(n_))^(p_)*((c_) + (d_.)*(x_)^(n_))^(q_), x_Symbol] :> -Simp[(b*x*(a + b*x^n)^(p + 1)*(
c + d*x^n)^(q + 1))/(a*n*(p + 1)*(b*c - a*d)), x] + Dist[(b*c + n*(p + 1)*(b*c - a*d))/(a*n*(p + 1)*(b*c - a*d
)), Int[(a + b*x^n)^(p + 1)*(c + d*x^n)^q, x], x] /; FreeQ[{a, b, c, d, n, q}, x] && NeQ[b*c - a*d, 0] && EqQ[
n*(p + q + 2) + 1, 0] && (LtQ[p, -1] || !LtQ[q, -1]) && NeQ[p, -1]
Rule 4128
Int[((a_) + (b_.)*sec[(e_.) + (f_.)*(x_)]^2)^(p_), x_Symbol] :> With[{ff = FreeFactors[Tan[e + f*x], x]}, Dist
[ff/f, Subst[Int[(a + b + b*ff^2*x^2)^p/(1 + ff^2*x^2), x], x, Tan[e + f*x]/ff], x]] /; FreeQ[{a, b, e, f, p},
x] && NeQ[a + b, 0] && NeQ[p, -1]
Rubi steps
\begin {align*} \int \frac {1}{\left (a+b \text {csch}^2(c+d x)\right )^{3/2}} \, dx &=\frac {\operatorname {Subst}\left (\int \frac {1}{\left (1-x^2\right ) \left (a-b+b x^2\right )^{3/2}} \, dx,x,\coth (c+d x)\right )}{d}\\ &=\frac {b \coth (c+d x)}{a (a-b) d \sqrt {a-b+b \coth ^2(c+d x)}}+\frac {\operatorname {Subst}\left (\int \frac {1}{\left (1-x^2\right ) \sqrt {a-b+b x^2}} \, dx,x,\coth (c+d x)\right )}{a d}\\ &=\frac {b \coth (c+d x)}{a (a-b) d \sqrt {a-b+b \coth ^2(c+d x)}}+\frac {\operatorname {Subst}\left (\int \frac {1}{1-a x^2} \, dx,x,\frac {\coth (c+d x)}{\sqrt {a-b+b \coth ^2(c+d x)}}\right )}{a d}\\ &=\frac {\tanh ^{-1}\left (\frac {\sqrt {a} \coth (c+d x)}{\sqrt {a-b+b \coth ^2(c+d x)}}\right )}{a^{3/2} d}+\frac {b \coth (c+d x)}{a (a-b) d \sqrt {a-b+b \coth ^2(c+d x)}}\\ \end {align*}
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Mathematica [A] time = 0.35, size = 148, normalized size = 1.80 \[ \frac {\text {csch}^2(c+d x) \left (\frac {2 \sqrt {a} b \coth (c+d x) (a \cosh (2 (c+d x))-a+2 b)}{a-b}+\sqrt {2} \text {csch}(c+d x) (a \cosh (2 (c+d x))-a+2 b)^{3/2} \log \left (\sqrt {a \cosh (2 (c+d x))-a+2 b}+\sqrt {2} \sqrt {a} \cosh (c+d x)\right )\right )}{4 a^{3/2} d \left (a+b \text {csch}^2(c+d x)\right )^{3/2}} \]
Antiderivative was successfully verified.
[In]
Integrate[(a + b*Csch[c + d*x]^2)^(-3/2),x]
[Out]
(Csch[c + d*x]^2*((2*Sqrt[a]*b*(-a + 2*b + a*Cosh[2*(c + d*x)])*Coth[c + d*x])/(a - b) + Sqrt[2]*(-a + 2*b + a
*Cosh[2*(c + d*x)])^(3/2)*Csch[c + d*x]*Log[Sqrt[2]*Sqrt[a]*Cosh[c + d*x] + Sqrt[-a + 2*b + a*Cosh[2*(c + d*x)
]]]))/(4*a^(3/2)*d*(a + b*Csch[c + d*x]^2)^(3/2))
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fricas [B] time = 0.83, size = 3009, normalized size = 36.70 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(1/(a+b*csch(d*x+c)^2)^(3/2),x, algorithm="fricas")
[Out]
[1/4*(((a^2 - a*b)*cosh(d*x + c)^4 + 4*(a^2 - a*b)*cosh(d*x + c)*sinh(d*x + c)^3 + (a^2 - a*b)*sinh(d*x + c)^4
- 2*(a^2 - 3*a*b + 2*b^2)*cosh(d*x + c)^2 + 2*(3*(a^2 - a*b)*cosh(d*x + c)^2 - a^2 + 3*a*b - 2*b^2)*sinh(d*x
+ c)^2 + a^2 - a*b + 4*((a^2 - a*b)*cosh(d*x + c)^3 - (a^2 - 3*a*b + 2*b^2)*cosh(d*x + c))*sinh(d*x + c))*sqrt
(a)*log((a*b^2*cosh(d*x + c)^8 + 8*a*b^2*cosh(d*x + c)*sinh(d*x + c)^7 + a*b^2*sinh(d*x + c)^8 + 2*(a*b^2 + b^
3)*cosh(d*x + c)^6 + 2*(14*a*b^2*cosh(d*x + c)^2 + a*b^2 + b^3)*sinh(d*x + c)^6 + 4*(14*a*b^2*cosh(d*x + c)^3
+ 3*(a*b^2 + b^3)*cosh(d*x + c))*sinh(d*x + c)^5 + (a^3 - 4*a^2*b + 9*a*b^2)*cosh(d*x + c)^4 + (70*a*b^2*cosh(
d*x + c)^4 + a^3 - 4*a^2*b + 9*a*b^2 + 30*(a*b^2 + b^3)*cosh(d*x + c)^2)*sinh(d*x + c)^4 + 4*(14*a*b^2*cosh(d*
x + c)^5 + 10*(a*b^2 + b^3)*cosh(d*x + c)^3 + (a^3 - 4*a^2*b + 9*a*b^2)*cosh(d*x + c))*sinh(d*x + c)^3 + a^3 -
2*(a^3 - 3*a^2*b)*cosh(d*x + c)^2 + 2*(14*a*b^2*cosh(d*x + c)^6 + 15*(a*b^2 + b^3)*cosh(d*x + c)^4 - a^3 + 3*
a^2*b + 3*(a^3 - 4*a^2*b + 9*a*b^2)*cosh(d*x + c)^2)*sinh(d*x + c)^2 + sqrt(2)*(b^2*cosh(d*x + c)^6 + 6*b^2*co
sh(d*x + c)*sinh(d*x + c)^5 + b^2*sinh(d*x + c)^6 + 3*b^2*cosh(d*x + c)^4 + 3*(5*b^2*cosh(d*x + c)^2 + b^2)*si
nh(d*x + c)^4 + 4*(5*b^2*cosh(d*x + c)^3 + 3*b^2*cosh(d*x + c))*sinh(d*x + c)^3 - (a^2 - 4*a*b)*cosh(d*x + c)^
2 + (15*b^2*cosh(d*x + c)^4 + 18*b^2*cosh(d*x + c)^2 - a^2 + 4*a*b)*sinh(d*x + c)^2 + a^2 + 2*(3*b^2*cosh(d*x
+ c)^5 + 6*b^2*cosh(d*x + c)^3 - (a^2 - 4*a*b)*cosh(d*x + c))*sinh(d*x + c))*sqrt(a)*sqrt((a*cosh(d*x + c)^2 +
a*sinh(d*x + c)^2 - a + 2*b)/(cosh(d*x + c)^2 - 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2)) + 4*(2*a*b^
2*cosh(d*x + c)^7 + 3*(a*b^2 + b^3)*cosh(d*x + c)^5 + (a^3 - 4*a^2*b + 9*a*b^2)*cosh(d*x + c)^3 - (a^3 - 3*a^2
*b)*cosh(d*x + c))*sinh(d*x + c))/(cosh(d*x + c)^6 + 6*cosh(d*x + c)^5*sinh(d*x + c) + 15*cosh(d*x + c)^4*sinh
(d*x + c)^2 + 20*cosh(d*x + c)^3*sinh(d*x + c)^3 + 15*cosh(d*x + c)^2*sinh(d*x + c)^4 + 6*cosh(d*x + c)*sinh(d
*x + c)^5 + sinh(d*x + c)^6)) + ((a^2 - a*b)*cosh(d*x + c)^4 + 4*(a^2 - a*b)*cosh(d*x + c)*sinh(d*x + c)^3 + (
a^2 - a*b)*sinh(d*x + c)^4 - 2*(a^2 - 3*a*b + 2*b^2)*cosh(d*x + c)^2 + 2*(3*(a^2 - a*b)*cosh(d*x + c)^2 - a^2
+ 3*a*b - 2*b^2)*sinh(d*x + c)^2 + a^2 - a*b + 4*((a^2 - a*b)*cosh(d*x + c)^3 - (a^2 - 3*a*b + 2*b^2)*cosh(d*x
+ c))*sinh(d*x + c))*sqrt(a)*log(-(a*cosh(d*x + c)^4 + 4*a*cosh(d*x + c)*sinh(d*x + c)^3 + a*sinh(d*x + c)^4
- 2*(a - b)*cosh(d*x + c)^2 + 2*(3*a*cosh(d*x + c)^2 - a + b)*sinh(d*x + c)^2 + sqrt(2)*(cosh(d*x + c)^2 + 2*c
osh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2 - 1)*sqrt(a)*sqrt((a*cosh(d*x + c)^2 + a*sinh(d*x + c)^2 - a + 2*
b)/(cosh(d*x + c)^2 - 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2)) + 4*(a*cosh(d*x + c)^3 - (a - b)*cosh(
d*x + c))*sinh(d*x + c) + a)/(cosh(d*x + c)^2 + 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2)) + 4*sqrt(2)*
(a*b*cosh(d*x + c)^2 + 2*a*b*cosh(d*x + c)*sinh(d*x + c) + a*b*sinh(d*x + c)^2 + a*b)*sqrt((a*cosh(d*x + c)^2
+ a*sinh(d*x + c)^2 - a + 2*b)/(cosh(d*x + c)^2 - 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2)))/((a^4 - a
^3*b)*d*cosh(d*x + c)^4 + 4*(a^4 - a^3*b)*d*cosh(d*x + c)*sinh(d*x + c)^3 + (a^4 - a^3*b)*d*sinh(d*x + c)^4 -
2*(a^4 - 3*a^3*b + 2*a^2*b^2)*d*cosh(d*x + c)^2 + 2*(3*(a^4 - a^3*b)*d*cosh(d*x + c)^2 - (a^4 - 3*a^3*b + 2*a^
2*b^2)*d)*sinh(d*x + c)^2 + (a^4 - a^3*b)*d + 4*((a^4 - a^3*b)*d*cosh(d*x + c)^3 - (a^4 - 3*a^3*b + 2*a^2*b^2)
*d*cosh(d*x + c))*sinh(d*x + c)), -1/2*(((a^2 - a*b)*cosh(d*x + c)^4 + 4*(a^2 - a*b)*cosh(d*x + c)*sinh(d*x +
c)^3 + (a^2 - a*b)*sinh(d*x + c)^4 - 2*(a^2 - 3*a*b + 2*b^2)*cosh(d*x + c)^2 + 2*(3*(a^2 - a*b)*cosh(d*x + c)^
2 - a^2 + 3*a*b - 2*b^2)*sinh(d*x + c)^2 + a^2 - a*b + 4*((a^2 - a*b)*cosh(d*x + c)^3 - (a^2 - 3*a*b + 2*b^2)*
cosh(d*x + c))*sinh(d*x + c))*sqrt(-a)*arctan(sqrt(2)*(b*cosh(d*x + c)^2 + 2*b*cosh(d*x + c)*sinh(d*x + c) + b
*sinh(d*x + c)^2 + a)*sqrt(-a)*sqrt((a*cosh(d*x + c)^2 + a*sinh(d*x + c)^2 - a + 2*b)/(cosh(d*x + c)^2 - 2*cos
h(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2))/(a*b*cosh(d*x + c)^4 + 4*a*b*cosh(d*x + c)*sinh(d*x + c)^3 + a*b*
sinh(d*x + c)^4 - (a^2 - 3*a*b)*cosh(d*x + c)^2 + (6*a*b*cosh(d*x + c)^2 - a^2 + 3*a*b)*sinh(d*x + c)^2 + a^2
+ 2*(2*a*b*cosh(d*x + c)^3 - (a^2 - 3*a*b)*cosh(d*x + c))*sinh(d*x + c))) + ((a^2 - a*b)*cosh(d*x + c)^4 + 4*(
a^2 - a*b)*cosh(d*x + c)*sinh(d*x + c)^3 + (a^2 - a*b)*sinh(d*x + c)^4 - 2*(a^2 - 3*a*b + 2*b^2)*cosh(d*x + c)
^2 + 2*(3*(a^2 - a*b)*cosh(d*x + c)^2 - a^2 + 3*a*b - 2*b^2)*sinh(d*x + c)^2 + a^2 - a*b + 4*((a^2 - a*b)*cosh
(d*x + c)^3 - (a^2 - 3*a*b + 2*b^2)*cosh(d*x + c))*sinh(d*x + c))*sqrt(-a)*arctan(sqrt(2)*(cosh(d*x + c)^2 + 2
*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2 - 1)*sqrt(-a)*sqrt((a*cosh(d*x + c)^2 + a*sinh(d*x + c)^2 - a +
2*b)/(cosh(d*x + c)^2 - 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2))/(a*cosh(d*x + c)^4 + 4*a*cosh(d*x +
c)*sinh(d*x + c)^3 + a*sinh(d*x + c)^4 - 2*(a - 2*b)*cosh(d*x + c)^2 + 2*(3*a*cosh(d*x + c)^2 - a + 2*b)*sinh
(d*x + c)^2 + 4*(a*cosh(d*x + c)^3 - (a - 2*b)*cosh(d*x + c))*sinh(d*x + c) + a)) - 2*sqrt(2)*(a*b*cosh(d*x +
c)^2 + 2*a*b*cosh(d*x + c)*sinh(d*x + c) + a*b*sinh(d*x + c)^2 + a*b)*sqrt((a*cosh(d*x + c)^2 + a*sinh(d*x + c
)^2 - a + 2*b)/(cosh(d*x + c)^2 - 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2)))/((a^4 - a^3*b)*d*cosh(d*x
+ c)^4 + 4*(a^4 - a^3*b)*d*cosh(d*x + c)*sinh(d*x + c)^3 + (a^4 - a^3*b)*d*sinh(d*x + c)^4 - 2*(a^4 - 3*a^3*b
+ 2*a^2*b^2)*d*cosh(d*x + c)^2 + 2*(3*(a^4 - a^3*b)*d*cosh(d*x + c)^2 - (a^4 - 3*a^3*b + 2*a^2*b^2)*d)*sinh(d
*x + c)^2 + (a^4 - a^3*b)*d + 4*((a^4 - a^3*b)*d*cosh(d*x + c)^3 - (a^4 - 3*a^3*b + 2*a^2*b^2)*d*cosh(d*x + c)
)*sinh(d*x + c))]
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giac [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(1/(a+b*csch(d*x+c)^2)^(3/2),x, algorithm="giac")
[Out]
Exception raised: TypeError >> An error occurred running a Giac command:INPUT:sage2:=int(sage0,x):;OUTPUT:Warn
ing, integration of abs or sign assumes constant sign by intervals (correct if the argument is real):Check [ab
s(exp(d*t_nostep+c)^2-1)]Warning, need to choose a branch for the root of a polynomial with parameters. This m
ight be wrong.Non regular value [0] was discarded and replaced randomly by 0=[-3]Warning, need to choose a bra
nch for the root of a polynomial with parameters. This might be wrong.Non regular value [0] was discarded and
replaced randomly by 0=[57]Warning, need to choose a branch for the root of a polynomial with parameters. This
might be wrong.Non regular value [0] was discarded and replaced randomly by 0=[-8]Warning, need to choose a b
ranch for the root of a polynomial with parameters. This might be wrong.Non regular value [0] was discarded an
d replaced randomly by 0=[-77]Warning, need to choose a branch for the root of a polynomial with parameters. T
his might be wrong.Non regular value [0] was discarded and replaced randomly by 0=[-11]Warning, need to choose
a branch for the root of a polynomial with parameters. This might be wrong.Non regular value [0] was discarde
d and replaced randomly by 0=[43]Evaluation time: 1.14index.cc index_m operator + Error: Bad Argument Value
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maple [F] time = 0.46, size = 0, normalized size = 0.00 \[ \int \frac {1}{\left (a +b \mathrm {csch}\left (d x +c \right )^{2}\right )^{\frac {3}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
int(1/(a+b*csch(d*x+c)^2)^(3/2),x)
[Out]
int(1/(a+b*csch(d*x+c)^2)^(3/2),x)
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{{\left (b \operatorname {csch}\left (d x + c\right )^{2} + a\right )}^{\frac {3}{2}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(1/(a+b*csch(d*x+c)^2)^(3/2),x, algorithm="maxima")
[Out]
integrate((b*csch(d*x + c)^2 + a)^(-3/2), x)
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {1}{{\left (a+\frac {b}{{\mathrm {sinh}\left (c+d\,x\right )}^2}\right )}^{3/2}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
int(1/(a + b/sinh(c + d*x)^2)^(3/2),x)
[Out]
int(1/(a + b/sinh(c + d*x)^2)^(3/2), x)
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{\left (a + b \operatorname {csch}^{2}{\left (c + d x \right )}\right )^{\frac {3}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(1/(a+b*csch(d*x+c)**2)**(3/2),x)
[Out]
Integral((a + b*csch(c + d*x)**2)**(-3/2), x)
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