3.2.22 \(\int \cosh (5 x) \text {Chi}(2 x) \, dx\) [122]

Optimal. Leaf size=29 \[ \frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {\text {Shi}(3 x)}{10}-\frac {\text {Shi}(7 x)}{10} \]

[Out]

-1/10*Shi(3*x)-1/10*Shi(7*x)+1/5*Chi(2*x)*sinh(5*x)

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Rubi [A]
time = 0.04, antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.444, Rules used = {6676, 12, 5580, 3379} \begin {gather*} \frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {\text {Shi}(3 x)}{10}-\frac {\text {Shi}(7 x)}{10} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[Cosh[5*x]*CoshIntegral[2*x],x]

[Out]

(CoshIntegral[2*x]*Sinh[5*x])/5 - SinhIntegral[3*x]/10 - SinhIntegral[7*x]/10

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

Rule 3379

Int[sin[(e_.) + (Complex[0, fz_])*(f_.)*(x_)]/((c_.) + (d_.)*(x_)), x_Symbol] :> Simp[I*(SinhIntegral[c*f*(fz/
d) + f*fz*x]/d), x] /; FreeQ[{c, d, e, f, fz}, x] && EqQ[d*e - c*f*fz*I, 0]

Rule 5580

Int[Cosh[(c_.) + (d_.)*(x_)]^(q_.)*((e_.) + (f_.)*(x_))^(m_.)*Sinh[(a_.) + (b_.)*(x_)]^(p_.), x_Symbol] :> Int
[ExpandTrigReduce[(e + f*x)^m, Sinh[a + b*x]^p*Cosh[c + d*x]^q, x], x] /; FreeQ[{a, b, c, d, e, f, m}, x] && I
GtQ[p, 0] && IGtQ[q, 0]

Rule 6676

Int[Cosh[(a_.) + (b_.)*(x_)]*CoshIntegral[(c_.) + (d_.)*(x_)], x_Symbol] :> Simp[Sinh[a + b*x]*(CoshIntegral[c
+ d*x]/b), x] - Dist[d/b, Int[Sinh[a + b*x]*(Cosh[c + d*x]/(c + d*x)), x], x] /; FreeQ[{a, b, c, d}, x]

Rubi steps

\begin {align*} \int \cosh (5 x) \text {Chi}(2 x) \, dx &=\frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {2}{5} \int \frac {\cosh (2 x) \sinh (5 x)}{2 x} \, dx\\ &=\frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {1}{5} \int \frac {\cosh (2 x) \sinh (5 x)}{x} \, dx\\ &=\frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {1}{5} \int \left (\frac {\sinh (3 x)}{2 x}+\frac {\sinh (7 x)}{2 x}\right ) \, dx\\ &=\frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {1}{10} \int \frac {\sinh (3 x)}{x} \, dx-\frac {1}{10} \int \frac {\sinh (7 x)}{x} \, dx\\ &=\frac {1}{5} \text {Chi}(2 x) \sinh (5 x)-\frac {\text {Shi}(3 x)}{10}-\frac {\text {Shi}(7 x)}{10}\\ \end {align*}

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Mathematica [A]
time = 0.02, size = 27, normalized size = 0.93 \begin {gather*} \frac {1}{10} (2 \text {Chi}(2 x) \sinh (5 x)-\text {Shi}(3 x)-\text {Shi}(7 x)) \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[Cosh[5*x]*CoshIntegral[2*x],x]

[Out]

(2*CoshIntegral[2*x]*Sinh[5*x] - SinhIntegral[3*x] - SinhIntegral[7*x])/10

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Maple [A]
time = 0.64, size = 24, normalized size = 0.83

method	result	size
default	\(-\frac {\hyperbolicSineIntegral \left (3 x \right )}{10}-\frac {\hyperbolicSineIntegral \left (7 x \right )}{10}+\frac {\hyperbolicCosineIntegral \left (2 x \right ) \sinh \left (5 x \right )}{5}\)	\(24\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(Chi(2*x)*cosh(5*x),x,method=_RETURNVERBOSE)

[Out]

-1/10*Shi(3*x)-1/10*Shi(7*x)+1/5*Chi(2*x)*sinh(5*x)

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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(Chi(2*x)*cosh(5*x),x, algorithm="maxima")

[Out]

integrate(Chi(2*x)*cosh(5*x), x)

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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(Chi(2*x)*cosh(5*x),x, algorithm="fricas")

[Out]

integral(cosh(5*x)*cosh_integral(2*x), x)

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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \cosh {\left (5 x \right )} \operatorname {Chi}\left (2 x\right )\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(Chi(2*x)*cosh(5*x),x)

[Out]

Integral(cosh(5*x)*Chi(2*x), x)

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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(Chi(2*x)*cosh(5*x),x, algorithm="giac")

[Out]

integrate(Chi(2*x)*cosh(5*x), x)

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \mathrm {coshint}\left (2\,x\right )\,\mathrm {cosh}\left (5\,x\right ) \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(coshint(2*x)*cosh(5*x),x)

[Out]

int(coshint(2*x)*cosh(5*x), x)

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