3.177 \(\int e^{3 \coth ^{-1}(a x)} (c-a c x)^p \, dx\)

Optimal. Leaf size=202 \[ -\frac{3 \sqrt{\frac{1}{a x}+1} \left (\frac{a-\frac{1}{x}}{a+\frac{1}{x}}\right )^{\frac{3}{2}-p} (c-a c x)^p \text{Hypergeometric2F1}\left (1-p,\frac{3}{2}-p,2-p,\frac{2}{x \left (a+\frac{1}{x}\right )}\right )}{a^2 p \left (1-p^2\right ) x \left (1-\frac{1}{a x}\right )^{3/2}}+\frac{x \left (\frac{1}{a x}+1\right )^{3/2} (c-a c x)^p}{(p+1) \sqrt{1-\frac{1}{a x}}}+\frac{3 \sqrt{\frac{1}{a x}+1} (c-a c x)^p}{a p (p+1) \sqrt{1-\frac{1}{a x}}} \]

[Out]

(3*Sqrt[1 + 1/(a*x)]*(c - a*c*x)^p)/(a*p*(1 + p)*Sqrt[1 - 1/(a*x)]) + ((1 + 1/(a*x))^(3/2)*x*(c - a*c*x)^p)/((
1 + p)*Sqrt[1 - 1/(a*x)]) - (3*((a - x^(-1))/(a + x^(-1)))^(3/2 - p)*Sqrt[1 + 1/(a*x)]*(c - a*c*x)^p*Hypergeom
etric2F1[1 - p, 3/2 - p, 2 - p, 2/((a + x^(-1))*x)])/(a^2*p*(1 - p^2)*(1 - 1/(a*x))^(3/2)*x)

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Rubi [A]  time = 0.206049, antiderivative size = 202, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222, Rules used = {6176, 6181, 94, 132} \[ -\frac{3 \sqrt{\frac{1}{a x}+1} \left (\frac{a-\frac{1}{x}}{a+\frac{1}{x}}\right )^{\frac{3}{2}-p} (c-a c x)^p \, _2F_1\left (1-p,\frac{3}{2}-p;2-p;\frac{2}{\left (a+\frac{1}{x}\right ) x}\right )}{a^2 p \left (1-p^2\right ) x \left (1-\frac{1}{a x}\right )^{3/2}}+\frac{x \left (\frac{1}{a x}+1\right )^{3/2} (c-a c x)^p}{(p+1) \sqrt{1-\frac{1}{a x}}}+\frac{3 \sqrt{\frac{1}{a x}+1} (c-a c x)^p}{a p (p+1) \sqrt{1-\frac{1}{a x}}} \]

Antiderivative was successfully verified.

[In]

Int[E^(3*ArcCoth[a*x])*(c - a*c*x)^p,x]

[Out]

(3*Sqrt[1 + 1/(a*x)]*(c - a*c*x)^p)/(a*p*(1 + p)*Sqrt[1 - 1/(a*x)]) + ((1 + 1/(a*x))^(3/2)*x*(c - a*c*x)^p)/((
1 + p)*Sqrt[1 - 1/(a*x)]) - (3*((a - x^(-1))/(a + x^(-1)))^(3/2 - p)*Sqrt[1 + 1/(a*x)]*(c - a*c*x)^p*Hypergeom
etric2F1[1 - p, 3/2 - p, 2 - p, 2/((a + x^(-1))*x)])/(a^2*p*(1 - p^2)*(1 - 1/(a*x))^(3/2)*x)

Rule 6176

Int[E^(ArcCoth[(a_.)*(x_)]*(n_.))*(u_.)*((c_) + (d_.)*(x_))^(p_), x_Symbol] :> Dist[(c + d*x)^p/(x^p*(1 + c/(d
*x))^p), Int[u*x^p*(1 + c/(d*x))^p*E^(n*ArcCoth[a*x]), x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[a^2*c^2 - d^
2, 0] &&  !IntegerQ[n/2] &&  !IntegerQ[p]

Rule 6181

Int[E^(ArcCoth[(a_.)*(x_)]*(n_.))*((c_) + (d_.)/(x_))^(p_.)*(x_)^(m_), x_Symbol] :> -Dist[c^p*x^m*(1/x)^m, Sub
st[Int[((1 + (d*x)/c)^p*(1 + x/a)^(n/2))/(x^(m + 2)*(1 - x/a)^(n/2)), x], x, 1/x], x] /; FreeQ[{a, c, d, m, n,
p}, x] && EqQ[c^2 - a^2*d^2, 0] &&  !IntegerQ[n/2] && (IntegerQ[p] || GtQ[c, 0]) &&  !IntegerQ[m]

Rule 94

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p_.), x_Symbol] :> Simp[((a + b
*x)^(m + 1)*(c + d*x)^n*(e + f*x)^(p + 1))/((m + 1)*(b*e - a*f)), x] - Dist[(n*(d*e - c*f))/((m + 1)*(b*e - a*
f)), Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 1)*(e + f*x)^p, x], x] /; FreeQ[{a, b, c, d, e, f, m, p}, x] && EqQ[
m + n + p + 2, 0] && GtQ[n, 0] &&  !(SumSimplerQ[p, 1] &&  !SumSimplerQ[m, 1])

Rule 132

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_))^(p_), x_Symbol] :> Simp[((a + b*x
)^(m + 1)*(c + d*x)^n*(e + f*x)^(p + 1)*Hypergeometric2F1[m + 1, -n, m + 2, -(((d*e - c*f)*(a + b*x))/((b*c -
a*d)*(e + f*x)))])/(((b*e - a*f)*(m + 1))*(((b*e - a*f)*(c + d*x))/((b*c - a*d)*(e + f*x)))^n), x] /; FreeQ[{a
, b, c, d, e, f, m, n, p}, x] && EqQ[m + n + p + 2, 0] &&  !IntegerQ[n]

Rubi steps

\begin{align*} \int e^{3 \coth ^{-1}(a x)} (c-a c x)^p \, dx &=\left (\left (1-\frac{1}{a x}\right )^{-p} x^{-p} (c-a c x)^p\right ) \int e^{3 \coth ^{-1}(a x)} \left (1-\frac{1}{a x}\right )^p x^p \, dx\\ &=-\left (\left (\left (1-\frac{1}{a x}\right )^{-p} \left (\frac{1}{x}\right )^p (c-a c x)^p\right ) \operatorname{Subst}\left (\int x^{-2-p} \left (1-\frac{x}{a}\right )^{-\frac{3}{2}+p} \left (1+\frac{x}{a}\right )^{3/2} \, dx,x,\frac{1}{x}\right )\right )\\ &=\frac{\left (1+\frac{1}{a x}\right )^{3/2} x (c-a c x)^p}{(1+p) \sqrt{1-\frac{1}{a x}}}-\frac{\left (3 \left (1-\frac{1}{a x}\right )^{-p} \left (\frac{1}{x}\right )^p (c-a c x)^p\right ) \operatorname{Subst}\left (\int x^{-1-p} \left (1-\frac{x}{a}\right )^{-\frac{3}{2}+p} \sqrt{1+\frac{x}{a}} \, dx,x,\frac{1}{x}\right )}{a (1+p)}\\ &=\frac{3 \sqrt{1+\frac{1}{a x}} (c-a c x)^p}{a p (1+p) \sqrt{1-\frac{1}{a x}}}+\frac{\left (1+\frac{1}{a x}\right )^{3/2} x (c-a c x)^p}{(1+p) \sqrt{1-\frac{1}{a x}}}-\frac{\left (3 \left (1-\frac{1}{a x}\right )^{-p} \left (\frac{1}{x}\right )^p (c-a c x)^p\right ) \operatorname{Subst}\left (\int \frac{x^{-p} \left (1-\frac{x}{a}\right )^{-\frac{3}{2}+p}}{\sqrt{1+\frac{x}{a}}} \, dx,x,\frac{1}{x}\right )}{a^2 p (1+p)}\\ &=\frac{3 \sqrt{1+\frac{1}{a x}} (c-a c x)^p}{a p (1+p) \sqrt{1-\frac{1}{a x}}}+\frac{\left (1+\frac{1}{a x}\right )^{3/2} x (c-a c x)^p}{(1+p) \sqrt{1-\frac{1}{a x}}}-\frac{3 \left (\frac{a-\frac{1}{x}}{a+\frac{1}{x}}\right )^{\frac{3}{2}-p} \sqrt{1+\frac{1}{a x}} (c-a c x)^p \, _2F_1\left (1-p,\frac{3}{2}-p;2-p;\frac{2}{\left (a+\frac{1}{x}\right ) x}\right )}{a^2 p \left (1-p^2\right ) \left (1-\frac{1}{a x}\right )^{3/2} x}\\ \end{align*}

Mathematica [A]  time = 0.136312, size = 155, normalized size = 0.77 \[ \frac{\sqrt{\frac{1}{a x}+1} \left (\frac{a x-1}{a x+1}\right )^{-p} (c-a c x)^p \left (3 \sqrt{\frac{a x-1}{a x+1}} \text{Hypergeometric2F1}\left (1-p,\frac{3}{2}-p,2-p,\frac{2}{a x+1}\right )+(p-1) (a x+1) (a p x+p+3) \left (\frac{a x-1}{a x+1}\right )^p\right )}{a (p-1) p (p+1) \sqrt{1-\frac{1}{a x}} (a x+1)} \]

Antiderivative was successfully verified.

[In]

Integrate[E^(3*ArcCoth[a*x])*(c - a*c*x)^p,x]

[Out]

(Sqrt[1 + 1/(a*x)]*(c - a*c*x)^p*((-1 + p)*((-1 + a*x)/(1 + a*x))^p*(1 + a*x)*(3 + p + a*p*x) + 3*Sqrt[(-1 + a
*x)/(1 + a*x)]*Hypergeometric2F1[1 - p, 3/2 - p, 2 - p, 2/(1 + a*x)]))/(a*(-1 + p)*p*(1 + p)*Sqrt[1 - 1/(a*x)]
*((-1 + a*x)/(1 + a*x))^p*(1 + a*x))

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Maple [F]  time = 0.409, size = 0, normalized size = 0. \begin{align*} \int{ \left ( -acx+c \right ) ^{p} \left ({\frac{ax-1}{ax+1}} \right ) ^{-{\frac{3}{2}}}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/((a*x-1)/(a*x+1))^(3/2)*(-a*c*x+c)^p,x)

[Out]

int(1/((a*x-1)/(a*x+1))^(3/2)*(-a*c*x+c)^p,x)

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (-a c x + c\right )}^{p}}{\left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/((a*x-1)/(a*x+1))^(3/2)*(-a*c*x+c)^p,x, algorithm="maxima")

[Out]

integrate((-a*c*x + c)^p/((a*x - 1)/(a*x + 1))^(3/2), x)

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Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{{\left (a^{2} x^{2} + 2 \, a x + 1\right )}{\left (-a c x + c\right )}^{p} \sqrt{\frac{a x - 1}{a x + 1}}}{a^{2} x^{2} - 2 \, a x + 1}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/((a*x-1)/(a*x+1))^(3/2)*(-a*c*x+c)^p,x, algorithm="fricas")

[Out]

integral((a^2*x^2 + 2*a*x + 1)*(-a*c*x + c)^p*sqrt((a*x - 1)/(a*x + 1))/(a^2*x^2 - 2*a*x + 1), x)

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Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/((a*x-1)/(a*x+1))**(3/2)*(-a*c*x+c)**p,x)

[Out]

Timed out

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (-a c x + c\right )}^{p}}{\left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/((a*x-1)/(a*x+1))^(3/2)*(-a*c*x+c)^p,x, algorithm="giac")

[Out]

integrate((-a*c*x + c)^p/((a*x - 1)/(a*x + 1))^(3/2), x)