Optimal. Leaf size=105 \[ \frac{a x+1}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}-\frac{8 \sqrt{1-a^2 x^2}}{3 c^2 x}+\frac{3 a x+4}{3 c^2 x \sqrt{1-a^2 x^2}}-\frac{a \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{c^2} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.141686, antiderivative size = 105, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.261, Rules used = {6148, 823, 807, 266, 63, 208} \[ \frac{a x+1}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}-\frac{8 \sqrt{1-a^2 x^2}}{3 c^2 x}+\frac{3 a x+4}{3 c^2 x \sqrt{1-a^2 x^2}}-\frac{a \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{c^2} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 6148
Rule 823
Rule 807
Rule 266
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{\tanh ^{-1}(a x)}}{x^2 \left (c-a^2 c x^2\right )^2} \, dx &=\frac{\int \frac{1+a x}{x^2 \left (1-a^2 x^2\right )^{5/2}} \, dx}{c^2}\\ &=\frac{1+a x}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}+\frac{\int \frac{4 a^2+3 a^3 x}{x^2 \left (1-a^2 x^2\right )^{3/2}} \, dx}{3 a^2 c^2}\\ &=\frac{1+a x}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}+\frac{4+3 a x}{3 c^2 x \sqrt{1-a^2 x^2}}+\frac{\int \frac{8 a^4+3 a^5 x}{x^2 \sqrt{1-a^2 x^2}} \, dx}{3 a^4 c^2}\\ &=\frac{1+a x}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}+\frac{4+3 a x}{3 c^2 x \sqrt{1-a^2 x^2}}-\frac{8 \sqrt{1-a^2 x^2}}{3 c^2 x}+\frac{a \int \frac{1}{x \sqrt{1-a^2 x^2}} \, dx}{c^2}\\ &=\frac{1+a x}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}+\frac{4+3 a x}{3 c^2 x \sqrt{1-a^2 x^2}}-\frac{8 \sqrt{1-a^2 x^2}}{3 c^2 x}+\frac{a \operatorname{Subst}\left (\int \frac{1}{x \sqrt{1-a^2 x}} \, dx,x,x^2\right )}{2 c^2}\\ &=\frac{1+a x}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}+\frac{4+3 a x}{3 c^2 x \sqrt{1-a^2 x^2}}-\frac{8 \sqrt{1-a^2 x^2}}{3 c^2 x}-\frac{\operatorname{Subst}\left (\int \frac{1}{\frac{1}{a^2}-\frac{x^2}{a^2}} \, dx,x,\sqrt{1-a^2 x^2}\right )}{a c^2}\\ &=\frac{1+a x}{3 c^2 x \left (1-a^2 x^2\right )^{3/2}}+\frac{4+3 a x}{3 c^2 x \sqrt{1-a^2 x^2}}-\frac{8 \sqrt{1-a^2 x^2}}{3 c^2 x}-\frac{a \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{c^2}\\ \end{align*}
Mathematica [A] time = 0.0417575, size = 91, normalized size = 0.87 \[ \frac{8 a^3 x^3-5 a^2 x^2-3 a x (a x-1) \sqrt{1-a^2 x^2} \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )-7 a x+3}{3 c^2 x (a x-1) \sqrt{1-a^2 x^2}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.046, size = 150, normalized size = 1.4 \begin{align*}{\frac{1}{{c}^{2}} \left ( -{\frac{1}{x}\sqrt{-{a}^{2}{x}^{2}+1}}-a{\it Artanh} \left ({\frac{1}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) -{\frac{1}{4\,x+4\,{a}^{-1}}\sqrt{-{a}^{2} \left ( x+{a}^{-1} \right ) ^{2}+2\,a \left ( x+{a}^{-1} \right ) }}+{\frac{1}{6\,a}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-2}}-{\frac{17}{12}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-1}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 1.03892, size = 194, normalized size = 1.85 \begin{align*} -\frac{\frac{3 \, a^{2} \log \left (\sqrt{-a^{2} x^{2} + 1} + 1\right )}{c^{2}} - \frac{3 \, a^{2} \log \left (\sqrt{-a^{2} x^{2} + 1} - 1\right )}{c^{2}} + \frac{2 \,{\left (3 \,{\left (a^{2} x^{2} - 1\right )} a^{2} - a^{2}\right )}}{{\left (-a^{2} x^{2} + 1\right )}^{\frac{3}{2}} c^{2}}}{6 \, a} + \frac{8 \, a^{4} x^{4} - 12 \, a^{2} x^{2} + 3}{3 \,{\left (a^{2} c^{2} x^{3} - c^{2} x\right )} \sqrt{a x + 1} \sqrt{-a x + 1}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.59098, size = 305, normalized size = 2.9 \begin{align*} \frac{4 \, a^{4} x^{4} - 4 \, a^{3} x^{3} - 4 \, a^{2} x^{2} + 4 \, a x + 3 \,{\left (a^{4} x^{4} - a^{3} x^{3} - a^{2} x^{2} + a x\right )} \log \left (\frac{\sqrt{-a^{2} x^{2} + 1} - 1}{x}\right ) -{\left (8 \, a^{3} x^{3} - 5 \, a^{2} x^{2} - 7 \, a x + 3\right )} \sqrt{-a^{2} x^{2} + 1}}{3 \,{\left (a^{3} c^{2} x^{4} - a^{2} c^{2} x^{3} - a c^{2} x^{2} + c^{2} x\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{\int \frac{a}{a^{4} x^{5} \sqrt{- a^{2} x^{2} + 1} - 2 a^{2} x^{3} \sqrt{- a^{2} x^{2} + 1} + x \sqrt{- a^{2} x^{2} + 1}}\, dx + \int \frac{1}{a^{4} x^{6} \sqrt{- a^{2} x^{2} + 1} - 2 a^{2} x^{4} \sqrt{- a^{2} x^{2} + 1} + x^{2} \sqrt{- a^{2} x^{2} + 1}}\, dx}{c^{2}} \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{a x + 1}{{\left (a^{2} c x^{2} - c\right )}^{2} \sqrt{-a^{2} x^{2} + 1} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]