\(\int x \cosh (a+b x) \text {csch}^{\frac {3}{2}}(a+b x) \, dx\) [555]

Optimal result

Integrand size = 18, antiderivative size = 71 \[ \int x \cosh (a+b x) \text {csch}^{\frac {3}{2}}(a+b x) \, dx=-\frac {2 x \sqrt {\text {csch}(a+b x)}}{b}-\frac {4 i \sqrt {\text {csch}(a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right ),2\right ) \sqrt {i \sinh (a+b x)}}{b^2} \]

[Out]

-2*x*csch(b*x+a)^(1/2)/b+4*I*(sin(1/2*I*a+1/4*Pi+1/2*I*b*x)^2)^(1/2)/sin(1/2*I*a+1/4*Pi+1/2*I*b*x)*EllipticF(c
os(1/2*I*a+1/4*Pi+1/2*I*b*x),2^(1/2))*csch(b*x+a)^(1/2)*(I*sinh(b*x+a))^(1/2)/b^2

Rubi [A] (verified)

Time = 0.03 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {5553, 3856, 2720} \[ \int x \cosh (a+b x) \text {csch}^{\frac {3}{2}}(a+b x) \, dx=-\frac {2 x \sqrt {\text {csch}(a+b x)}}{b}-\frac {4 i \sqrt {i \sinh (a+b x)} \sqrt {\text {csch}(a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (i a+i b x-\frac {\pi }{2}\right ),2\right )}{b^2} \]

[In]

Int[x*Cosh[a + b*x]*Csch[a + b*x]^(3/2),x]

[Out]

(-2*x*Sqrt[Csch[a + b*x]])/b - ((4*I)*Sqrt[Csch[a + b*x]]*EllipticF[(I*a - Pi/2 + I*b*x)/2, 2]*Sqrt[I*Sinh[a +
b*x]])/b^2

Rule 2720

Int[1/Sqrt[sin[(c_.) + (d_.)*(x_)]], x_Symbol] :> Simp[(2/d)*EllipticF[(1/2)*(c - Pi/2 + d*x), 2], x] /; FreeQ
[{c, d}, x]

Rule 3856

Int[(csc[(c_.) + (d_.)*(x_)]*(b_.))^(n_), x_Symbol] :> Dist[(b*Csc[c + d*x])^n*Sin[c + d*x]^n, Int[1/Sin[c + d
*x]^n, x], x] /; FreeQ[{b, c, d}, x] && EqQ[n^2, 1/4]

Rule 5553

Int[Cosh[(a_.) + (b_.)*(x_)^(n_.)]*Csch[(a_.) + (b_.)*(x_)^(n_.)]^(p_)*(x_)^(m_.), x_Symbol] :> Simp[(-x^(m -
n + 1))*(Csch[a + b*x^n]^(p - 1)/(b*n*(p - 1))), x] + Dist[(m - n + 1)/(b*n*(p - 1)), Int[x^(m - n)*Csch[a + b
*x^n]^(p - 1), x], x] /; FreeQ[{a, b, p}, x] && IntegerQ[n] && GeQ[m - n, 0] && NeQ[p, 1]

Rubi steps \begin{align*} \text {integral}& = -\frac {2 x \sqrt {\text {csch}(a+b x)}}{b}+\frac {2 \int \sqrt {\text {csch}(a+b x)} \, dx}{b} \\ & = -\frac {2 x \sqrt {\text {csch}(a+b x)}}{b}+\frac {\left (2 \sqrt {\text {csch}(a+b x)} \sqrt {i \sinh (a+b x)}\right ) \int \frac {1}{\sqrt {i \sinh (a+b x)}} \, dx}{b} \\ & = -\frac {2 x \sqrt {\text {csch}(a+b x)}}{b}-\frac {4 i \sqrt {\text {csch}(a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right ),2\right ) \sqrt {i \sinh (a+b x)}}{b^2} \\ \end{align*}

Mathematica [A] (verified)

Time = 0.24 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.79 \[ \int x \cosh (a+b x) \text {csch}^{\frac {3}{2}}(a+b x) \, dx=-\frac {2 \sqrt {\text {csch}(a+b x)} \left (b x-2 i \operatorname {EllipticF}\left (\frac {1}{4} (-2 i a+\pi -2 i b x),2\right ) \sqrt {i \sinh (a+b x)}\right )}{b^2} \]

[In]

Integrate[x*Cosh[a + b*x]*Csch[a + b*x]^(3/2),x]

[Out]

(-2*Sqrt[Csch[a + b*x]]*(b*x - (2*I)*EllipticF[((-2*I)*a + Pi - (2*I)*b*x)/4, 2]*Sqrt[I*Sinh[a + b*x]]))/b^2

Maple [F]

\[\int x \cosh \left (b x +a \right ) \operatorname {csch}\left (b x +a \right )^{\frac {3}{2}}d x\]

[In]

int(x*cosh(b*x+a)*csch(b*x+a)^(3/2),x)

[Out]

int(x*cosh(b*x+a)*csch(b*x+a)^(3/2),x)

Fricas [F(-2)]

Exception generated. \[ \int x \cosh (a+b x) \text {csch}^{\frac {3}{2}}(a+b x) \, dx=\text {Exception raised: TypeError} \]

[In]

integrate(x*cosh(b*x+a)*csch(b*x+a)^(3/2),x, algorithm="fricas")

[Out]

Exception raised: TypeError >>  Error detected within library code:   integrate: implementation incomplete (co
nstant residues)

Sympy [F(-1)]

Timed out. \[ \int x \cosh (a+b x) \text {csch}^{\frac {3}{2}}(a+b x) \, dx=\text {Timed out} \]

[In]

integrate(x*cosh(b*x+a)*csch(b*x+a)**(3/2),x)

[Out]

Timed out

Maxima [F]

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

[In]

integrate(x*cosh(b*x+a)*csch(b*x+a)^(3/2),x, algorithm="maxima")

[Out]

integrate(x*cosh(b*x + a)*csch(b*x + a)^(3/2), x)

Giac [F]

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

[In]

integrate(x*cosh(b*x+a)*csch(b*x+a)^(3/2),x, algorithm="giac")

[Out]

integrate(x*cosh(b*x + a)*csch(b*x + a)^(3/2), x)

Mupad [F(-1)]

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

[In]

int(x*cosh(a + b*x)*(1/sinh(a + b*x))^(3/2),x)

[Out]

int(x*cosh(a + b*x)*(1/sinh(a + b*x))^(3/2), x)