Optimal. Leaf size=36 \[ \frac{x^{m+1}}{m+1}-\frac{2 x^{m+1} \text{Hypergeometric2F1}(1,m+1,m+2,-a x)}{m+1} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0412358, antiderivative size = 36, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.333, Rules used = {6167, 6126, 80, 64} \[ \frac{x^{m+1}}{m+1}-\frac{2 x^{m+1} \, _2F_1(1,m+1;m+2;-a x)}{m+1} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 6167
Rule 6126
Rule 80
Rule 64
Rubi steps
\begin{align*} \int e^{-2 \coth ^{-1}(a x)} x^m \, dx &=-\int e^{-2 \tanh ^{-1}(a x)} x^m \, dx\\ &=-\int \frac{x^m (1-a x)}{1+a x} \, dx\\ &=\frac{x^{1+m}}{1+m}-2 \int \frac{x^m}{1+a x} \, dx\\ &=\frac{x^{1+m}}{1+m}-\frac{2 x^{1+m} \, _2F_1(1,1+m;2+m;-a x)}{1+m}\\ \end{align*}
Mathematica [A] time = 0.0103053, size = 27, normalized size = 0.75 \[ \frac{x^{m+1} (1-2 \text{Hypergeometric2F1}(1,m+1,m+2,-a x))}{m+1} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [C] time = 0.412, size = 93, normalized size = 2.6 \begin{align*}{a}^{-1-m} \left ({\frac{{x}^{m}{a}^{m} \left ( amx-m-1 \right ) }{ \left ( 1+m \right ) m}}+{x}^{m}{a}^{m}{\it LerchPhi} \left ( -ax,1,m \right ) \right ) -{a}^{-1-m} \left ({\frac{{x}^{m}{a}^{m}}{m}}+{\frac{{x}^{m}{a}^{m} \left ( -1-m \right ){\it LerchPhi} \left ( -ax,1,m \right ) }{1+m}} \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (a x - 1\right )} x^{m}}{a x + 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{{\left (a x - 1\right )} x^{m}}{a x + 1}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [C] time = 2.37547, size = 119, normalized size = 3.31 \begin{align*} \frac{a m x^{2} x^{m} \Phi \left (a x e^{i \pi }, 1, m + 2\right ) \Gamma \left (m + 2\right )}{\Gamma \left (m + 3\right )} + \frac{2 a x^{2} x^{m} \Phi \left (a x e^{i \pi }, 1, m + 2\right ) \Gamma \left (m + 2\right )}{\Gamma \left (m + 3\right )} - \frac{m x x^{m} \Phi \left (a x e^{i \pi }, 1, m + 1\right ) \Gamma \left (m + 1\right )}{\Gamma \left (m + 2\right )} - \frac{x x^{m} \Phi \left (a x e^{i \pi }, 1, m + 1\right ) \Gamma \left (m + 1\right )}{\Gamma \left (m + 2\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (a x - 1\right )} x^{m}}{a x + 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]