3.96 \(\int (\frac{x}{\text{sech}^{\frac{5}{2}}(x)}-\frac{3 x}{5 \sqrt{\text{sech}(x)}}) \, dx\)

Optimal. Leaf size=24 \[ \frac{2 x \sinh (x)}{5 \text{sech}^{\frac{3}{2}}(x)}-\frac{4}{25 \text{sech}^{\frac{5}{2}}(x)} \]

[Out]

-4/(25*Sech[x]^(5/2)) + (2*x*Sinh[x])/(5*Sech[x]^(3/2))

________________________________________________________________________________________

Rubi [A]  time = 0.0877239, antiderivative size = 24, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 2, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.1, Rules used = {4187, 4189} \[ \frac{2 x \sinh (x)}{5 \text{sech}^{\frac{3}{2}}(x)}-\frac{4}{25 \text{sech}^{\frac{5}{2}}(x)} \]

Antiderivative was successfully verified.

[In]

Int[x/Sech[x]^(5/2) - (3*x)/(5*Sqrt[Sech[x]]),x]

[Out]

-4/(25*Sech[x]^(5/2)) + (2*x*Sinh[x])/(5*Sech[x]^(3/2))

Rule 4187

Int[(csc[(e_.) + (f_.)*(x_)]*(b_.))^(n_)*((c_.) + (d_.)*(x_)), x_Symbol] :> Simp[(d*(b*Csc[e + f*x])^n)/(f^2*n
^2), x] + (Dist[(n + 1)/(b^2*n), Int[(c + d*x)*(b*Csc[e + f*x])^(n + 2), x], x] + Simp[((c + d*x)*Cos[e + f*x]
*(b*Csc[e + f*x])^(n + 1))/(b*f*n), x]) /; FreeQ[{b, c, d, e, f}, x] && LtQ[n, -1]

Rule 4189

Int[(csc[(e_.) + (f_.)*(x_)]*(b_.))^(n_)*((c_.) + (d_.)*(x_))^(m_.), x_Symbol] :> Dist[(b*Sin[e + f*x])^n*(b*C
sc[e + f*x])^n, Int[(c + d*x)^m/(b*Sin[e + f*x])^n, x], x] /; FreeQ[{b, c, d, e, f, m, n}, x] &&  !IntegerQ[n]

Rubi steps

\begin{align*} \int \left (\frac{x}{\text{sech}^{\frac{5}{2}}(x)}-\frac{3 x}{5 \sqrt{\text{sech}(x)}}\right ) \, dx &=-\left (\frac{3}{5} \int \frac{x}{\sqrt{\text{sech}(x)}} \, dx\right )+\int \frac{x}{\text{sech}^{\frac{5}{2}}(x)} \, dx\\ &=-\frac{4}{25 \text{sech}^{\frac{5}{2}}(x)}+\frac{2 x \sinh (x)}{5 \text{sech}^{\frac{3}{2}}(x)}+\frac{3}{5} \int \frac{x}{\sqrt{\text{sech}(x)}} \, dx-\frac{1}{5} \left (3 \sqrt{\cosh (x)} \sqrt{\text{sech}(x)}\right ) \int x \sqrt{\cosh (x)} \, dx\\ &=-\frac{4}{25 \text{sech}^{\frac{5}{2}}(x)}+\frac{2 x \sinh (x)}{5 \text{sech}^{\frac{3}{2}}(x)}\\ \end{align*}

Mathematica [A]  time = 0.139346, size = 17, normalized size = 0.71 \[ \frac{2 (5 x \tanh (x)-2)}{25 \text{sech}^{\frac{5}{2}}(x)} \]

Antiderivative was successfully verified.

[In]

Integrate[x/Sech[x]^(5/2) - (3*x)/(5*Sqrt[Sech[x]]),x]

[Out]

(2*(-2 + 5*x*Tanh[x]))/(25*Sech[x]^(5/2))

________________________________________________________________________________________

Maple [F]  time = 0.077, size = 0, normalized size = 0. \begin{align*} \int{x \left ({\rm sech} \left (x\right ) \right ) ^{-{\frac{5}{2}}}}-{\frac{3\,x}{5}{\frac{1}{\sqrt{{\rm sech} \left (x\right )}}}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x/sech(x)^(5/2)-3/5*x/sech(x)^(1/2),x)

[Out]

int(x/sech(x)^(5/2)-3/5*x/sech(x)^(1/2),x)

________________________________________________________________________________________

Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int -\frac{3 \, x}{5 \, \sqrt{\operatorname{sech}\left (x\right )}} + \frac{x}{\operatorname{sech}\left (x\right )^{\frac{5}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/sech(x)^(5/2)-3/5*x/sech(x)^(1/2),x, algorithm="maxima")

[Out]

integrate(-3/5*x/sqrt(sech(x)) + x/sech(x)^(5/2), x)

________________________________________________________________________________________

Fricas [F(-2)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: UnboundLocalError} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/sech(x)^(5/2)-3/5*x/sech(x)^(1/2),x, algorithm="fricas")

[Out]

Exception raised: UnboundLocalError

________________________________________________________________________________________

Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} - \frac{\int - \frac{5 x}{\operatorname{sech}^{\frac{5}{2}}{\left (x \right )}}\, dx + \int \frac{3 x}{\sqrt{\operatorname{sech}{\left (x \right )}}}\, dx}{5} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/sech(x)**(5/2)-3/5*x/sech(x)**(1/2),x)

[Out]

-(Integral(-5*x/sech(x)**(5/2), x) + Integral(3*x/sqrt(sech(x)), x))/5

________________________________________________________________________________________

Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int -\frac{3 \, x}{5 \, \sqrt{\operatorname{sech}\left (x\right )}} + \frac{x}{\operatorname{sech}\left (x\right )^{\frac{5}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x/sech(x)^(5/2)-3/5*x/sech(x)^(1/2),x, algorithm="giac")

[Out]

integrate(-3/5*x/sqrt(sech(x)) + x/sech(x)^(5/2), x)