3.9.85 \(\int e^{a+b x} \cosh ^3(c+d x) \, dx\) [885]

Optimal. Leaf size=139 \[ -\frac {6 b d^2 e^{a+b x} \cosh (c+d x)}{b^4-10 b^2 d^2+9 d^4}+\frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}+\frac {6 d^3 e^{a+b x} \sinh (c+d x)}{b^4-10 b^2 d^2+9 d^4}-\frac {3 d e^{a+b x} \cosh ^2(c+d x) \sinh (c+d x)}{b^2-9 d^2} \]

[Out]

-6*b*d^2*exp(b*x+a)*cosh(d*x+c)/(b^4-10*b^2*d^2+9*d^4)+b*exp(b*x+a)*cosh(d*x+c)^3/(b^2-9*d^2)+6*d^3*exp(b*x+a)
*sinh(d*x+c)/(b^4-10*b^2*d^2+9*d^4)-3*d*exp(b*x+a)*cosh(d*x+c)^2*sinh(d*x+c)/(b^2-9*d^2)

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Rubi [A]
time = 0.04, antiderivative size = 139, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {5585, 5583} \begin {gather*} \frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}-\frac {3 d e^{a+b x} \sinh (c+d x) \cosh ^2(c+d x)}{b^2-9 d^2}-\frac {6 b d^2 e^{a+b x} \cosh (c+d x)}{b^4-10 b^2 d^2+9 d^4}+\frac {6 d^3 e^{a+b x} \sinh (c+d x)}{b^4-10 b^2 d^2+9 d^4} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[E^(a + b*x)*Cosh[c + d*x]^3,x]

[Out]

(-6*b*d^2*E^(a + b*x)*Cosh[c + d*x])/(b^4 - 10*b^2*d^2 + 9*d^4) + (b*E^(a + b*x)*Cosh[c + d*x]^3)/(b^2 - 9*d^2
) + (6*d^3*E^(a + b*x)*Sinh[c + d*x])/(b^4 - 10*b^2*d^2 + 9*d^4) - (3*d*E^(a + b*x)*Cosh[c + d*x]^2*Sinh[c + d
*x])/(b^2 - 9*d^2)

Rule 5583

Int[Cosh[(d_.) + (e_.)*(x_)]*(F_)^((c_.)*((a_.) + (b_.)*(x_))), x_Symbol] :> Simp[(-b)*c*Log[F]*F^(c*(a + b*x)
)*(Cosh[d + e*x]/(e^2 - b^2*c^2*Log[F]^2)), x] + Simp[e*F^(c*(a + b*x))*(Sinh[d + e*x]/(e^2 - b^2*c^2*Log[F]^2
)), x] /; FreeQ[{F, a, b, c, d, e}, x] && NeQ[e^2 - b^2*c^2*Log[F]^2, 0]

Rule 5585

Int[Cosh[(d_.) + (e_.)*(x_)]^(n_)*(F_)^((c_.)*((a_.) + (b_.)*(x_))), x_Symbol] :> Simp[(-b)*c*Log[F]*F^(c*(a +
b*x))*(Cosh[d + e*x]^n/(e^2*n^2 - b^2*c^2*Log[F]^2)), x] + (Dist[n*(n - 1)*(e^2/(e^2*n^2 - b^2*c^2*Log[F]^2))
, Int[F^(c*(a + b*x))*Cosh[d + e*x]^(n - 2), x], x] + Simp[e*n*F^(c*(a + b*x))*Sinh[d + e*x]*(Cosh[d + e*x]^(n
- 1)/(e^2*n^2 - b^2*c^2*Log[F]^2)), x]) /; FreeQ[{F, a, b, c, d, e}, x] && NeQ[e^2*n^2 - b^2*c^2*Log[F]^2, 0]
&& GtQ[n, 1]

Rubi steps

\begin {align*} \int e^{a+b x} \cosh ^3(c+d x) \, dx &=\frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}-\frac {3 d e^{a+b x} \cosh ^2(c+d x) \sinh (c+d x)}{b^2-9 d^2}-\frac {\left (6 d^2\right ) \int e^{a+b x} \cosh (c+d x) \, dx}{b^2-9 d^2}\\ &=-\frac {6 b d^2 e^{a+b x} \cosh (c+d x)}{b^4-10 b^2 d^2+9 d^4}+\frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}+\frac {6 d^3 e^{a+b x} \sinh (c+d x)}{b^4-10 b^2 d^2+9 d^4}-\frac {3 d e^{a+b x} \cosh ^2(c+d x) \sinh (c+d x)}{b^2-9 d^2}\\ \end {align*}

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Mathematica [A]
time = 0.35, size = 106, normalized size = 0.76 \begin {gather*} \frac {e^{a+b x} \left (3 b \left (b^2-9 d^2\right ) \cosh (c+d x)+\left (b^3-b d^2\right ) \cosh (3 (c+d x))+6 d \left (-b^2+5 d^2+\left (-b^2+d^2\right ) \cosh (2 (c+d x))\right ) \sinh (c+d x)\right )}{4 \left (b^4-10 b^2 d^2+9 d^4\right )} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[E^(a + b*x)*Cosh[c + d*x]^3,x]

[Out]

(E^(a + b*x)*(3*b*(b^2 - 9*d^2)*Cosh[c + d*x] + (b^3 - b*d^2)*Cosh[3*(c + d*x)] + 6*d*(-b^2 + 5*d^2 + (-b^2 +
d^2)*Cosh[2*(c + d*x)])*Sinh[c + d*x]))/(4*(b^4 - 10*b^2*d^2 + 9*d^4))

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Maple [A]
time = 1.48, size = 166, normalized size = 1.19

method	result	size
risch	\(\frac {{\mathrm e}^{b x +3 d x +a +3 c}}{8 b +24 d}+\frac {3 \,{\mathrm e}^{b x +d x +a +c}}{8 \left (b +d \right )}+\frac {3 \,{\mathrm e}^{b x -d x +a -c}}{8 \left (b -d \right )}+\frac {{\mathrm e}^{b x -3 d x +a -3 c}}{8 b -24 d}\)	\(85\)
default	\(\frac {\sinh \left (a -3 c +\left (b -3 d \right ) x \right )}{8 b -24 d}+\frac {3 \sinh \left (a -c +\left (b -d \right ) x \right )}{8 \left (b -d \right )}+\frac {3 \sinh \left (a +c +\left (b +d \right ) x \right )}{8 \left (b +d \right )}+\frac {\sinh \left (a +3 c +\left (b +3 d \right ) x \right )}{8 b +24 d}+\frac {\cosh \left (a -3 c +\left (b -3 d \right ) x \right )}{8 b -24 d}+\frac {3 \cosh \left (a -c +\left (b -d \right ) x \right )}{8 \left (b -d \right )}+\frac {3 \cosh \left (a +c +\left (b +d \right ) x \right )}{8 \left (b +d \right )}+\frac {\cosh \left (a +3 c +\left (b +3 d \right ) x \right )}{8 b +24 d}\)	\(166\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(exp(b*x+a)*cosh(d*x+c)^3,x,method=_RETURNVERBOSE)

[Out]

1/8*sinh(a-3*c+(b-3*d)*x)/(b-3*d)+3/8*sinh(a-c+(b-d)*x)/(b-d)+3/8*sinh(a+c+(b+d)*x)/(b+d)+1/8*sinh(a+3*c+(b+3*
d)*x)/(b+3*d)+1/8*cosh(a-3*c+(b-3*d)*x)/(b-3*d)+3/8*cosh(a-c+(b-d)*x)/(b-d)+3/8*cosh(a+c+(b+d)*x)/(b+d)+1/8*co
sh(a+3*c+(b+3*d)*x)/(b+3*d)

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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b*x+a)*cosh(d*x+c)^3,x, algorithm="maxima")

[Out]

Exception raised: ValueError >> Computation failed since Maxima requested additional constraints; using the 'a
ssume' command before evaluation *may* help (example of legal syntax is 'assume(-(3*d)/b>0)', see `assume?` fo
r more detai

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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 313 vs. \(2 (135) = 270\).
time = 0.37, size = 313, normalized size = 2.25 \begin {gather*} \frac {{\left (b^{3} - b d^{2}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right )^{3} - 3 \, {\left ({\left (b^{2} d - d^{3}\right )} \cosh \left (b x + a\right ) + {\left (b^{2} d - d^{3}\right )} \sinh \left (b x + a\right )\right )} \sinh \left (d x + c\right )^{3} + 3 \, {\left (b^{3} - 9 \, b d^{2}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right ) + 3 \, {\left ({\left (b^{3} - b d^{2}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right ) + {\left (b^{3} - b d^{2}\right )} \cosh \left (d x + c\right ) \sinh \left (b x + a\right )\right )} \sinh \left (d x + c\right )^{2} + {\left ({\left (b^{3} - b d^{2}\right )} \cosh \left (d x + c\right )^{3} + 3 \, {\left (b^{3} - 9 \, b d^{2}\right )} \cosh \left (d x + c\right )\right )} \sinh \left (b x + a\right ) - 3 \, {\left (3 \, {\left (b^{2} d - d^{3}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right )^{2} + {\left (b^{2} d - 9 \, d^{3}\right )} \cosh \left (b x + a\right ) + {\left (b^{2} d - 9 \, d^{3} + 3 \, {\left (b^{2} d - d^{3}\right )} \cosh \left (d x + c\right )^{2}\right )} \sinh \left (b x + a\right )\right )} \sinh \left (d x + c\right )}{4 \, {\left (b^{4} - 10 \, b^{2} d^{2} + 9 \, d^{4}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b*x+a)*cosh(d*x+c)^3,x, algorithm="fricas")

[Out]

1/4*((b^3 - b*d^2)*cosh(b*x + a)*cosh(d*x + c)^3 - 3*((b^2*d - d^3)*cosh(b*x + a) + (b^2*d - d^3)*sinh(b*x + a
))*sinh(d*x + c)^3 + 3*(b^3 - 9*b*d^2)*cosh(b*x + a)*cosh(d*x + c) + 3*((b^3 - b*d^2)*cosh(b*x + a)*cosh(d*x +
c) + (b^3 - b*d^2)*cosh(d*x + c)*sinh(b*x + a))*sinh(d*x + c)^2 + ((b^3 - b*d^2)*cosh(d*x + c)^3 + 3*(b^3 - 9
*b*d^2)*cosh(d*x + c))*sinh(b*x + a) - 3*(3*(b^2*d - d^3)*cosh(b*x + a)*cosh(d*x + c)^2 + (b^2*d - 9*d^3)*cosh
(b*x + a) + (b^2*d - 9*d^3 + 3*(b^2*d - d^3)*cosh(d*x + c)^2)*sinh(b*x + a))*sinh(d*x + c))/(b^4 - 10*b^2*d^2
+ 9*d^4)

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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 976 vs. \(2 (131) = 262\).
time = 2.92, size = 976, normalized size = 7.02 \begin {gather*} \begin {cases} x e^{a} \cosh ^{3}{\left (c \right )} & \text {for}\: b = 0 \wedge d = 0 \\\frac {x e^{a} e^{- 3 d x} \sinh ^{3}{\left (c + d x \right )}}{8} + \frac {3 x e^{a} e^{- 3 d x} \sinh ^{2}{\left (c + d x \right )} \cosh {\left (c + d x \right )}}{8} + \frac {3 x e^{a} e^{- 3 d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{8} + \frac {x e^{a} e^{- 3 d x} \cosh ^{3}{\left (c + d x \right )}}{8} + \frac {e^{a} e^{- 3 d x} \sinh ^{3}{\left (c + d x \right )}}{24 d} - \frac {e^{a} e^{- 3 d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{4 d} - \frac {3 e^{a} e^{- 3 d x} \cosh ^{3}{\left (c + d x \right )}}{8 d} & \text {for}\: b = - 3 d \\- \frac {3 x e^{a} e^{- d x} \sinh ^{3}{\left (c + d x \right )}}{8} - \frac {3 x e^{a} e^{- d x} \sinh ^{2}{\left (c + d x \right )} \cosh {\left (c + d x \right )}}{8} + \frac {3 x e^{a} e^{- d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{8} + \frac {3 x e^{a} e^{- d x} \cosh ^{3}{\left (c + d x \right )}}{8} - \frac {3 e^{a} e^{- d x} \sinh ^{3}{\left (c + d x \right )}}{8 d} + \frac {3 e^{a} e^{- d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{4 d} + \frac {e^{a} e^{- d x} \cosh ^{3}{\left (c + d x \right )}}{8 d} & \text {for}\: b = - d \\\frac {3 x e^{a} e^{d x} \sinh ^{3}{\left (c + d x \right )}}{8} - \frac {3 x e^{a} e^{d x} \sinh ^{2}{\left (c + d x \right )} \cosh {\left (c + d x \right )}}{8} - \frac {3 x e^{a} e^{d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{8} + \frac {3 x e^{a} e^{d x} \cosh ^{3}{\left (c + d x \right )}}{8} - \frac {3 e^{a} e^{d x} \sinh ^{3}{\left (c + d x \right )}}{8 d} + \frac {3 e^{a} e^{d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{4 d} - \frac {e^{a} e^{d x} \cosh ^{3}{\left (c + d x \right )}}{8 d} & \text {for}\: b = d \\- \frac {x e^{a} e^{3 d x} \sinh ^{3}{\left (c + d x \right )}}{8} + \frac {3 x e^{a} e^{3 d x} \sinh ^{2}{\left (c + d x \right )} \cosh {\left (c + d x \right )}}{8} - \frac {3 x e^{a} e^{3 d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{8} + \frac {x e^{a} e^{3 d x} \cosh ^{3}{\left (c + d x \right )}}{8} + \frac {e^{a} e^{3 d x} \sinh ^{3}{\left (c + d x \right )}}{24 d} - \frac {e^{a} e^{3 d x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{4 d} + \frac {3 e^{a} e^{3 d x} \cosh ^{3}{\left (c + d x \right )}}{8 d} & \text {for}\: b = 3 d \\\frac {b^{3} e^{a} e^{b x} \cosh ^{3}{\left (c + d x \right )}}{b^{4} - 10 b^{2} d^{2} + 9 d^{4}} - \frac {3 b^{2} d e^{a} e^{b x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{b^{4} - 10 b^{2} d^{2} + 9 d^{4}} + \frac {6 b d^{2} e^{a} e^{b x} \sinh ^{2}{\left (c + d x \right )} \cosh {\left (c + d x \right )}}{b^{4} - 10 b^{2} d^{2} + 9 d^{4}} - \frac {7 b d^{2} e^{a} e^{b x} \cosh ^{3}{\left (c + d x \right )}}{b^{4} - 10 b^{2} d^{2} + 9 d^{4}} - \frac {6 d^{3} e^{a} e^{b x} \sinh ^{3}{\left (c + d x \right )}}{b^{4} - 10 b^{2} d^{2} + 9 d^{4}} + \frac {9 d^{3} e^{a} e^{b x} \sinh {\left (c + d x \right )} \cosh ^{2}{\left (c + d x \right )}}{b^{4} - 10 b^{2} d^{2} + 9 d^{4}} & \text {otherwise} \end {cases} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b*x+a)*cosh(d*x+c)**3,x)

[Out]

Piecewise((x*exp(a)*cosh(c)**3, Eq(b, 0) & Eq(d, 0)), (x*exp(a)*exp(-3*d*x)*sinh(c + d*x)**3/8 + 3*x*exp(a)*ex
p(-3*d*x)*sinh(c + d*x)**2*cosh(c + d*x)/8 + 3*x*exp(a)*exp(-3*d*x)*sinh(c + d*x)*cosh(c + d*x)**2/8 + x*exp(a
)*exp(-3*d*x)*cosh(c + d*x)**3/8 + exp(a)*exp(-3*d*x)*sinh(c + d*x)**3/(24*d) - exp(a)*exp(-3*d*x)*sinh(c + d*
x)*cosh(c + d*x)**2/(4*d) - 3*exp(a)*exp(-3*d*x)*cosh(c + d*x)**3/(8*d), Eq(b, -3*d)), (-3*x*exp(a)*exp(-d*x)*
sinh(c + d*x)**3/8 - 3*x*exp(a)*exp(-d*x)*sinh(c + d*x)**2*cosh(c + d*x)/8 + 3*x*exp(a)*exp(-d*x)*sinh(c + d*x
)*cosh(c + d*x)**2/8 + 3*x*exp(a)*exp(-d*x)*cosh(c + d*x)**3/8 - 3*exp(a)*exp(-d*x)*sinh(c + d*x)**3/(8*d) + 3
*exp(a)*exp(-d*x)*sinh(c + d*x)*cosh(c + d*x)**2/(4*d) + exp(a)*exp(-d*x)*cosh(c + d*x)**3/(8*d), Eq(b, -d)),
(3*x*exp(a)*exp(d*x)*sinh(c + d*x)**3/8 - 3*x*exp(a)*exp(d*x)*sinh(c + d*x)**2*cosh(c + d*x)/8 - 3*x*exp(a)*ex
p(d*x)*sinh(c + d*x)*cosh(c + d*x)**2/8 + 3*x*exp(a)*exp(d*x)*cosh(c + d*x)**3/8 - 3*exp(a)*exp(d*x)*sinh(c +
d*x)**3/(8*d) + 3*exp(a)*exp(d*x)*sinh(c + d*x)*cosh(c + d*x)**2/(4*d) - exp(a)*exp(d*x)*cosh(c + d*x)**3/(8*d
), Eq(b, d)), (-x*exp(a)*exp(3*d*x)*sinh(c + d*x)**3/8 + 3*x*exp(a)*exp(3*d*x)*sinh(c + d*x)**2*cosh(c + d*x)/
8 - 3*x*exp(a)*exp(3*d*x)*sinh(c + d*x)*cosh(c + d*x)**2/8 + x*exp(a)*exp(3*d*x)*cosh(c + d*x)**3/8 + exp(a)*e
xp(3*d*x)*sinh(c + d*x)**3/(24*d) - exp(a)*exp(3*d*x)*sinh(c + d*x)*cosh(c + d*x)**2/(4*d) + 3*exp(a)*exp(3*d*
x)*cosh(c + d*x)**3/(8*d), Eq(b, 3*d)), (b**3*exp(a)*exp(b*x)*cosh(c + d*x)**3/(b**4 - 10*b**2*d**2 + 9*d**4)
- 3*b**2*d*exp(a)*exp(b*x)*sinh(c + d*x)*cosh(c + d*x)**2/(b**4 - 10*b**2*d**2 + 9*d**4) + 6*b*d**2*exp(a)*exp
(b*x)*sinh(c + d*x)**2*cosh(c + d*x)/(b**4 - 10*b**2*d**2 + 9*d**4) - 7*b*d**2*exp(a)*exp(b*x)*cosh(c + d*x)**
3/(b**4 - 10*b**2*d**2 + 9*d**4) - 6*d**3*exp(a)*exp(b*x)*sinh(c + d*x)**3/(b**4 - 10*b**2*d**2 + 9*d**4) + 9*
d**3*exp(a)*exp(b*x)*sinh(c + d*x)*cosh(c + d*x)**2/(b**4 - 10*b**2*d**2 + 9*d**4), True))

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Giac [A]
time = 0.41, size = 84, normalized size = 0.60 \begin {gather*} \frac {e^{\left (b x + 3 \, d x + a + 3 \, c\right )}}{8 \, {\left (b + 3 \, d\right )}} + \frac {3 \, e^{\left (b x + d x + a + c\right )}}{8 \, {\left (b + d\right )}} + \frac {3 \, e^{\left (b x - d x + a - c\right )}}{8 \, {\left (b - d\right )}} + \frac {e^{\left (b x - 3 \, d x + a - 3 \, c\right )}}{8 \, {\left (b - 3 \, d\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b*x+a)*cosh(d*x+c)^3,x, algorithm="giac")

[Out]

1/8*e^(b*x + 3*d*x + a + 3*c)/(b + 3*d) + 3/8*e^(b*x + d*x + a + c)/(b + d) + 3/8*e^(b*x - d*x + a - c)/(b - d
) + 1/8*e^(b*x - 3*d*x + a - 3*c)/(b - 3*d)

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Mupad [B]
time = 2.21, size = 125, normalized size = 0.90 \begin {gather*} \frac {{\mathrm {e}}^{a+b\,x}\,\left (b^3\,{\mathrm {cosh}\left (c+d\,x\right )}^3-3\,b^2\,d\,{\mathrm {cosh}\left (c+d\,x\right )}^2\,\mathrm {sinh}\left (c+d\,x\right )-7\,b\,d^2\,{\mathrm {cosh}\left (c+d\,x\right )}^3+6\,b\,d^2\,\mathrm {cosh}\left (c+d\,x\right )\,{\mathrm {sinh}\left (c+d\,x\right )}^2+9\,d^3\,{\mathrm {cosh}\left (c+d\,x\right )}^2\,\mathrm {sinh}\left (c+d\,x\right )-6\,d^3\,{\mathrm {sinh}\left (c+d\,x\right )}^3\right )}{b^4-10\,b^2\,d^2+9\,d^4} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(cosh(c + d*x)^3*exp(a + b*x),x)

[Out]

(exp(a + b*x)*(b^3*cosh(c + d*x)^3 - 6*d^3*sinh(c + d*x)^3 - 7*b*d^2*cosh(c + d*x)^3 + 9*d^3*cosh(c + d*x)^2*s
inh(c + d*x) + 6*b*d^2*cosh(c + d*x)*sinh(c + d*x)^2 - 3*b^2*d*cosh(c + d*x)^2*sinh(c + d*x)))/(b^4 + 9*d^4 -
10*b^2*d^2)

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