Integrand size = 22, antiderivative size = 110 \[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=-\frac {2^{1-\frac {n}{2}+p} \left (1-\frac {1}{a x}\right )^{-p} \left (1+\frac {1}{a x}\right )^{\frac {2+n}{2}} \left (c-\frac {c}{a x}\right )^p \operatorname {AppellF1}\left (\frac {2+n}{2},\frac {1}{2} (n-2 p),2,\frac {4+n}{2},\frac {a+\frac {1}{x}}{2 a},1+\frac {1}{a x}\right )}{a (2+n)} \]
-2^(1-1/2*n+p)*(1+1/a/x)^(1+1/2*n)*(c-c/a/x)^p*AppellF1(1+1/2*n,1/2*n-p,2, 2+1/2*n,1/2*(a+1/x)/a,1+1/a/x)/a/(2+n)/((1-1/a/x)^p)
\[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=\int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx \]
Time = 0.37 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {6736, 6732, 153}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \left (c-\frac {c}{a x}\right )^p e^{n \coth ^{-1}(a x)} \, dx\) |
\(\Big \downarrow \) 6736 |
\(\displaystyle \left (1-\frac {1}{a x}\right )^{-p} \left (c-\frac {c}{a x}\right )^p \int e^{n \coth ^{-1}(a x)} \left (1-\frac {1}{a x}\right )^pdx\) |
\(\Big \downarrow \) 6732 |
\(\displaystyle -\left (1-\frac {1}{a x}\right )^{-p} \left (c-\frac {c}{a x}\right )^p \int \left (1-\frac {1}{a x}\right )^{p-\frac {n}{2}} \left (1+\frac {1}{a x}\right )^{n/2} x^2d\frac {1}{x}\) |
\(\Big \downarrow \) 153 |
\(\displaystyle -\frac {2^{-\frac {n}{2}+p+1} \left (\frac {1}{a x}+1\right )^{\frac {n+2}{2}} \left (1-\frac {1}{a x}\right )^{-p} \left (c-\frac {c}{a x}\right )^p \operatorname {AppellF1}\left (\frac {n+2}{2},\frac {1}{2} (n-2 p),2,\frac {n+4}{2},\frac {a+\frac {1}{x}}{2 a},1+\frac {1}{a x}\right )}{a (n+2)}\) |
-((2^(1 - n/2 + p)*(1 + 1/(a*x))^((2 + n)/2)*(c - c/(a*x))^p*AppellF1[(2 + n)/2, (n - 2*p)/2, 2, (4 + n)/2, (a + x^(-1))/(2*a), 1 + 1/(a*x)])/(a*(2 + n)*(1 - 1/(a*x))^p))
3.6.49.3.1 Defintions of rubi rules used
Int[((a_) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_)) ^(p_), x_] :> Simp[(b*e - a*f)^p*((a + b*x)^(m + 1)/(b^(p + 1)*(m + 1)*Simp lify[b/(b*c - a*d)]^n))*AppellF1[m + 1, -n, -p, m + 2, (-d)*((a + b*x)/(b*c - a*d)), (-f)*((a + b*x)/(b*e - a*f))], x] /; FreeQ[{a, b, c, d, e, f, m, n}, x] && !IntegerQ[m] && !IntegerQ[n] && IntegerQ[p] && GtQ[Simplify[b/( b*c - a*d)], 0] && !(GtQ[Simplify[d/(d*a - c*b)], 0] && SimplerQ[c + d*x, a + b*x])
Int[E^(ArcCoth[(a_.)*(x_)]*(n_.))*((c_) + (d_.)/(x_))^(p_.), x_Symbol] :> S imp[-c^p Subst[Int[(1 + d*(x/c))^p*((1 + x/a)^(n/2)/(x^2*(1 - x/a)^(n/2)) ), x], x, 1/x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[c^2 - a^2*d^2, 0] && !IntegerQ[n/2] && (IntegerQ[p] || GtQ[c, 0])
Int[E^(ArcCoth[(a_.)*(x_)]*(n_.))*(u_.)*((c_) + (d_.)/(x_))^(p_), x_Symbol] :> Simp[(c + d/x)^p/(1 + d/(c*x))^p Int[u*(1 + d/(c*x))^p*E^(n*ArcCoth[a *x]), x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[c^2 - a^2*d^2, 0] && !Int egerQ[n/2] && !(IntegerQ[p] || GtQ[c, 0])
\[\int {\mathrm e}^{n \,\operatorname {arccoth}\left (a x \right )} \left (c -\frac {c}{a x}\right )^{p}d x\]
\[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=\int { {\left (c - \frac {c}{a x}\right )}^{p} \left (\frac {a x + 1}{a x - 1}\right )^{\frac {1}{2} \, n} \,d x } \]
\[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=\int \left (- c \left (-1 + \frac {1}{a x}\right )\right )^{p} e^{n \operatorname {acoth}{\left (a x \right )}}\, dx \]
\[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=\int { {\left (c - \frac {c}{a x}\right )}^{p} \left (\frac {a x + 1}{a x - 1}\right )^{\frac {1}{2} \, n} \,d x } \]
\[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=\int { {\left (c - \frac {c}{a x}\right )}^{p} \left (\frac {a x + 1}{a x - 1}\right )^{\frac {1}{2} \, n} \,d x } \]
Timed out. \[ \int e^{n \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^p \, dx=\int {\mathrm {e}}^{n\,\mathrm {acoth}\left (a\,x\right )}\,{\left (c-\frac {c}{a\,x}\right )}^p \,d x \]