\(\int e^{-2 p \coth ^{-1}(a x)} (c-a^2 c x^2)^p \, dx\) [764]

Optimal result

Integrand size = 23, antiderivative size = 52 \[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {\left (1-\frac {1}{a^2 x^2}\right )^{-p} \left (1-\frac {1}{a x}\right )^{1+2 p} x \left (c-a^2 c x^2\right )^p}{1+2 p} \]

[Out]

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

Rubi [A] (verified)

Time = 0.09 (sec) , antiderivative size = 52, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.130, Rules used = {6327, 6331, 37} \[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {x \left (1-\frac {1}{a^2 x^2}\right )^{-p} \left (1-\frac {1}{a x}\right )^{2 p+1} \left (c-a^2 c x^2\right )^p}{2 p+1} \]

[In]

Int[(c - a^2*c*x^2)^p/E^(2*p*ArcCoth[a*x]),x]

[Out]

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

Rule 37

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(a + b*x)^(m + 1)*((c + d*x)^(n +
1)/((b*c - a*d)*(m + 1))), x] /; FreeQ[{a, b, c, d, m, n}, x] && NeQ[b*c - a*d, 0] && EqQ[m + n + 2, 0] && NeQ
[m, -1]

Rule 6327

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

Rule 6331

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

Rubi steps \begin{align*} \text {integral}& = \left (\left (1-\frac {1}{a^2 x^2}\right )^{-p} x^{-2 p} \left (c-a^2 c x^2\right )^p\right ) \int e^{-2 p \coth ^{-1}(a x)} \left (1-\frac {1}{a^2 x^2}\right )^p x^{2 p} \, dx \\ & = -\left (\left (\left (1-\frac {1}{a^2 x^2}\right )^{-p} \left (\frac {1}{x}\right )^{2 p} \left (c-a^2 c x^2\right )^p\right ) \text {Subst}\left (\int x^{-2-2 p} \left (1-\frac {x}{a}\right )^{2 p} \, dx,x,\frac {1}{x}\right )\right ) \\ & = \frac {\left (1-\frac {1}{a^2 x^2}\right )^{-p} \left (1-\frac {1}{a x}\right )^{1+2 p} x \left (c-a^2 c x^2\right )^p}{1+2 p} \\ \end{align*}

Mathematica [A] (verified)

Time = 0.08 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.69 \[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {e^{-2 p \coth ^{-1}(a x)} (-1+a x) \left (c-a^2 c x^2\right )^p}{a+2 a p} \]

[In]

Integrate[(c - a^2*c*x^2)^p/E^(2*p*ArcCoth[a*x]),x]

[Out]

((-1 + a*x)*(c - a^2*c*x^2)^p)/(E^(2*p*ArcCoth[a*x])*(a + 2*a*p))

Maple [A] (verified)

Time = 0.87 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.77

method	result	size
gosper	\(\frac {\left (a x -1\right ) \left (-a^{2} c \,x^{2}+c \right )^{p} {\mathrm e}^{-2 p \,\operatorname {arccoth}\left (a x \right )}}{a \left (1+2 p \right )}\)	\(40\)
parallelrisch	\(\frac {\left (x \left (-a^{2} c \,x^{2}+c \right )^{p} a -\left (-a^{2} c \,x^{2}+c \right )^{p}\right ) {\mathrm e}^{-2 p \,\operatorname {arccoth}\left (a x \right )}}{a \left (1+2 p \right )}\)	\(54\)
risch	\(\frac {\left (a x -1\right ) \left (\left (a x -1\right )^{p}\right )^{2} c^{p} {\mathrm e}^{-\frac {i p \pi \left (\operatorname {csgn}\left (i \left (a x -1\right ) \left (a x +1\right )\right )^{3}-\operatorname {csgn}\left (i \left (a x -1\right )\right ) \operatorname {csgn}\left (i \left (a x -1\right ) \left (a x +1\right )\right )^{2}-\operatorname {csgn}\left (i \left (a x -1\right ) \left (a x +1\right )\right )^{2} \operatorname {csgn}\left (i \left (a x +1\right )\right )+\operatorname {csgn}\left (i \left (a x -1\right )\right ) \operatorname {csgn}\left (i \left (a x -1\right ) \left (a x +1\right )\right ) \operatorname {csgn}\left (i \left (a x +1\right )\right )-\operatorname {csgn}\left (i \left (a x -1\right ) \left (a x +1\right )\right ) \operatorname {csgn}\left (i c \left (a x -1\right ) \left (a x +1\right )\right )^{2}+\operatorname {csgn}\left (i \left (a x -1\right ) \left (a x +1\right )\right ) \operatorname {csgn}\left (i c \left (a x -1\right ) \left (a x +1\right )\right ) \operatorname {csgn}\left (i c \right )-\operatorname {csgn}\left (i c \left (a x -1\right ) \left (a x +1\right )\right )^{3}-\operatorname {csgn}\left (i c \left (a x -1\right ) \left (a x +1\right )\right )^{2} \operatorname {csgn}\left (i c \right )+2 \operatorname {csgn}\left (i c \left (a x -1\right ) \left (a x +1\right )\right )^{2}-2\right )}{2}}}{a \left (1+2 p \right )}\)	\(279\)

[In]

int((-a^2*c*x^2+c)^p/exp(2*p*arccoth(a*x)),x,method=_RETURNVERBOSE)

[Out]

(a*x-1)/a/(1+2*p)*(-a^2*c*x^2+c)^p/exp(2*p*arccoth(a*x))

Fricas [A] (verification not implemented)

none

Time = 0.25 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.85 \[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {{\left (a x - 1\right )} {\left (-a^{2} c x^{2} + c\right )}^{p}}{{\left (2 \, a p + a\right )} \left (\frac {a x + 1}{a x - 1}\right )^{p}} \]

[In]

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

[Out]

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

Sympy [F]

\[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\begin {cases} \frac {i x}{\sqrt {c}} & \text {for}\: a = 0 \wedge p = - \frac {1}{2} \\c^{p} x e^{- i \pi p} & \text {for}\: a = 0 \\\int \frac {e^{\operatorname {acoth}{\left (a x \right )}}}{\sqrt {- c \left (a x - 1\right ) \left (a x + 1\right )}}\, dx & \text {for}\: p = - \frac {1}{2} \\\frac {a x \left (- a^{2} c x^{2} + c\right )^{p}}{2 a p e^{2 p \operatorname {acoth}{\left (a x \right )}} + a e^{2 p \operatorname {acoth}{\left (a x \right )}}} - \frac {\left (- a^{2} c x^{2} + c\right )^{p}}{2 a p e^{2 p \operatorname {acoth}{\left (a x \right )}} + a e^{2 p \operatorname {acoth}{\left (a x \right )}}} & \text {otherwise} \end {cases} \]

[In]

integrate((-a**2*c*x**2+c)**p/exp(2*p*acoth(a*x)),x)

[Out]

Piecewise((I*x/sqrt(c), Eq(a, 0) & Eq(p, -1/2)), (c**p*x*exp(-I*pi*p), Eq(a, 0)), (Integral(exp(acoth(a*x))/sq
rt(-c*(a*x - 1)*(a*x + 1)), x), Eq(p, -1/2)), (a*x*(-a**2*c*x**2 + c)**p/(2*a*p*exp(2*p*acoth(a*x)) + a*exp(2*
p*acoth(a*x))) - (-a**2*c*x**2 + c)**p/(2*a*p*exp(2*p*acoth(a*x)) + a*exp(2*p*acoth(a*x))), True))

Maxima [A] (verification not implemented)

none

Time = 0.20 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.69 \[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {{\left (a \left (-c\right )^{p} x - \left (-c\right )^{p}\right )} {\left (a x - 1\right )}^{2 \, p}}{a {\left (2 \, p + 1\right )}} \]

[In]

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

[Out]

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

Giac [F]

\[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\int { \frac {{\left (-a^{2} c x^{2} + c\right )}^{p}}{\left (\frac {a x + 1}{a x - 1}\right )^{p}} \,d x } \]

[In]

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

[Out]

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

Mupad [B] (verification not implemented)

Time = 4.01 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.13 \[ \int e^{-2 p \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {{\left (c-a^2\,c\,x^2\right )}^p\,\left (a\,x-1\right )\,{\left (\frac {a\,x-1}{a\,x}\right )}^p}{a\,\left (2\,p+1\right )\,{\left (\frac {a\,x+1}{a\,x}\right )}^p} \]

[In]

int(exp(-2*p*acoth(a*x))*(c - a^2*c*x^2)^p,x)

[Out]

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