Integrand size = 22, antiderivative size = 85 \[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {2^{\frac {5}{2}+p} (1-a x)^{-\frac {1}{2}+p} \left (1-a^2 x^2\right )^{-p} \left (c-a^2 c x^2\right )^p \operatorname {Hypergeometric2F1}\left (-\frac {3}{2}-p,-\frac {1}{2}+p,\frac {1}{2}+p,\frac {1}{2} (1-a x)\right )}{a (1-2 p)} \] Output:
2^(5/2+p)*(-a*x+1)^(-1/2+p)*(-a^2*c*x^2+c)^p*hypergeom([-3/2-p, -1/2+p],[1 /2+p],-1/2*a*x+1/2)/a/(1-2*p)/((-a^2*x^2+1)^p)
Time = 0.04 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.98 \[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\frac {2^{\frac {5}{2}+p} (1-a x)^{-\frac {1}{2}+p} \left (1-a^2 x^2\right )^{-p} \left (c-a^2 c x^2\right )^p \operatorname {Hypergeometric2F1}\left (-\frac {3}{2}-p,-\frac {1}{2}+p,\frac {1}{2}+p,\frac {1}{2} (1-a x)\right )}{a-2 a p} \] Input:
Integrate[E^(3*ArcTanh[a*x])*(c - a^2*c*x^2)^p,x]
Output:
(2^(5/2 + p)*(1 - a*x)^(-1/2 + p)*(c - a^2*c*x^2)^p*Hypergeometric2F1[-3/2 - p, -1/2 + p, 1/2 + p, (1 - a*x)/2])/((a - 2*a*p)*(1 - a^2*x^2)^p)
Time = 0.55 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {6693, 6690, 79}
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.
\(\displaystyle \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx\) |
\(\Big \downarrow \) 6693 |
\(\displaystyle \left (1-a^2 x^2\right )^{-p} \left (c-a^2 c x^2\right )^p \int e^{3 \text {arctanh}(a x)} \left (1-a^2 x^2\right )^pdx\) |
\(\Big \downarrow \) 6690 |
\(\displaystyle \left (1-a^2 x^2\right )^{-p} \left (c-a^2 c x^2\right )^p \int (1-a x)^{p-\frac {3}{2}} (a x+1)^{p+\frac {3}{2}}dx\) |
\(\Big \downarrow \) 79 |
\(\displaystyle \frac {2^{p+\frac {5}{2}} (1-a x)^{p-\frac {1}{2}} \left (1-a^2 x^2\right )^{-p} \left (c-a^2 c x^2\right )^p \operatorname {Hypergeometric2F1}\left (-p-\frac {3}{2},p-\frac {1}{2},p+\frac {1}{2},\frac {1}{2} (1-a x)\right )}{a (1-2 p)}\) |
Input:
Int[E^(3*ArcTanh[a*x])*(c - a^2*c*x^2)^p,x]
Output:
(2^(5/2 + p)*(1 - a*x)^(-1/2 + p)*(c - a^2*c*x^2)^p*Hypergeometric2F1[-3/2 - p, -1/2 + p, 1/2 + p, (1 - a*x)/2])/(a*(1 - 2*p)*(1 - a^2*x^2)^p)
Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(( a + b*x)^(m + 1)/(b*(m + 1)*(b/(b*c - a*d))^n))*Hypergeometric2F1[-n, m + 1 , m + 2, (-d)*((a + b*x)/(b*c - a*d))], x] /; FreeQ[{a, b, c, d, m, n}, x] && !IntegerQ[m] && !IntegerQ[n] && GtQ[b/(b*c - a*d), 0] && (RationalQ[m] || !(RationalQ[n] && GtQ[-d/(b*c - a*d), 0]))
Int[E^(ArcTanh[(a_.)*(x_)]*(n_.))*((c_) + (d_.)*(x_)^2)^(p_.), x_Symbol] :> Simp[c^p Int[(1 - a*x)^(p - n/2)*(1 + a*x)^(p + n/2), x], x] /; FreeQ[{a , c, d, n, p}, x] && EqQ[a^2*c + d, 0] && (IntegerQ[p] || GtQ[c, 0])
Int[E^(ArcTanh[(a_.)*(x_)]*(n_.))*((c_) + (d_.)*(x_)^2)^(p_), x_Symbol] :> Simp[c^IntPart[p]*((c + d*x^2)^FracPart[p]/(1 - a^2*x^2)^FracPart[p]) Int [(1 - a^2*x^2)^p*E^(n*ArcTanh[a*x]), x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[a^2*c + d, 0] && !(IntegerQ[p] || GtQ[c, 0])
\[\int \frac {\left (a x +1\right )^{3} \left (-a^{2} c \,x^{2}+c \right )^{p}}{\left (-a^{2} x^{2}+1\right )^{\frac {3}{2}}}d x\]
Input:
int((a*x+1)^3/(-a^2*x^2+1)^(3/2)*(-a^2*c*x^2+c)^p,x)
Output:
int((a*x+1)^3/(-a^2*x^2+1)^(3/2)*(-a^2*c*x^2+c)^p,x)
\[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\int { \frac {{\left (a x + 1\right )}^{3} {\left (-a^{2} c x^{2} + c\right )}^{p}}{{\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}}} \,d x } \] Input:
integrate((a*x+1)^3/(-a^2*x^2+1)^(3/2)*(-a^2*c*x^2+c)^p,x, algorithm="fric as")
Output:
integral(sqrt(-a^2*x^2 + 1)*(a*x + 1)*(-a^2*c*x^2 + c)^p/(a^2*x^2 - 2*a*x + 1), x)
\[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\int \frac {\left (- c \left (a x - 1\right ) \left (a x + 1\right )\right )^{p} \left (a x + 1\right )^{3}}{\left (- \left (a x - 1\right ) \left (a x + 1\right )\right )^{\frac {3}{2}}}\, dx \] Input:
integrate((a*x+1)**3/(-a**2*x**2+1)**(3/2)*(-a**2*c*x**2+c)**p,x)
Output:
Integral((-c*(a*x - 1)*(a*x + 1))**p*(a*x + 1)**3/(-(a*x - 1)*(a*x + 1))** (3/2), x)
\[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\int { \frac {{\left (a x + 1\right )}^{3} {\left (-a^{2} c x^{2} + c\right )}^{p}}{{\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}}} \,d x } \] Input:
integrate((a*x+1)^3/(-a^2*x^2+1)^(3/2)*(-a^2*c*x^2+c)^p,x, algorithm="maxi ma")
Output:
integrate((a*x + 1)^3*(-a^2*c*x^2 + c)^p/(-a^2*x^2 + 1)^(3/2), x)
\[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\int { \frac {{\left (a x + 1\right )}^{3} {\left (-a^{2} c x^{2} + c\right )}^{p}}{{\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}}} \,d x } \] Input:
integrate((a*x+1)^3/(-a^2*x^2+1)^(3/2)*(-a^2*c*x^2+c)^p,x, algorithm="giac ")
Output:
integrate((a*x + 1)^3*(-a^2*c*x^2 + c)^p/(-a^2*x^2 + 1)^(3/2), x)
Timed out. \[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=\int \frac {{\left (c-a^2\,c\,x^2\right )}^p\,{\left (a\,x+1\right )}^3}{{\left (1-a^2\,x^2\right )}^{3/2}} \,d x \] Input:
int(((c - a^2*c*x^2)^p*(a*x + 1)^3)/(1 - a^2*x^2)^(3/2),x)
Output:
int(((c - a^2*c*x^2)^p*(a*x + 1)^3)/(1 - a^2*x^2)^(3/2), x)
\[ \int e^{3 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^p \, dx=-\left (\int \frac {\left (-a^{2} c \,x^{2}+c \right )^{p}}{\sqrt {-a^{2} x^{2}+1}\, a x -\sqrt {-a^{2} x^{2}+1}}d x \right )-\left (\int \frac {\left (-a^{2} c \,x^{2}+c \right )^{p} x^{2}}{\sqrt {-a^{2} x^{2}+1}\, a x -\sqrt {-a^{2} x^{2}+1}}d x \right ) a^{2}-2 \left (\int \frac {\left (-a^{2} c \,x^{2}+c \right )^{p} x}{\sqrt {-a^{2} x^{2}+1}\, a x -\sqrt {-a^{2} x^{2}+1}}d x \right ) a \] Input:
int((a*x+1)^3/(-a^2*x^2+1)^(3/2)*(-a^2*c*x^2+c)^p,x)
Output:
- int(( - a**2*c*x**2 + c)**p/(sqrt( - a**2*x**2 + 1)*a*x - sqrt( - a**2* x**2 + 1)),x) - int((( - a**2*c*x**2 + c)**p*x**2)/(sqrt( - a**2*x**2 + 1) *a*x - sqrt( - a**2*x**2 + 1)),x)*a**2 - 2*int((( - a**2*c*x**2 + c)**p*x) /(sqrt( - a**2*x**2 + 1)*a*x - sqrt( - a**2*x**2 + 1)),x)*a