Optimal. Leaf size=99 \[ -\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}+\frac{a x+1}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 a^2 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c} \]
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Rubi [A] time = 0.138867, antiderivative size = 99, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.304, Rules used = {6148, 823, 835, 807, 266, 63, 208} \[ -\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}+\frac{a x+1}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 a^2 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c} \]
Antiderivative was successfully verified.
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Rule 6148
Rule 823
Rule 835
Rule 807
Rule 266
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{\tanh ^{-1}(a x)}}{x^3 \left (c-a^2 c x^2\right )} \, dx &=\frac{\int \frac{1+a x}{x^3 \left (1-a^2 x^2\right )^{3/2}} \, dx}{c}\\ &=\frac{1+a x}{c x^2 \sqrt{1-a^2 x^2}}+\frac{\int \frac{3 a^2+2 a^3 x}{x^3 \sqrt{1-a^2 x^2}} \, dx}{a^2 c}\\ &=\frac{1+a x}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}-\frac{\int \frac{-4 a^3-3 a^4 x}{x^2 \sqrt{1-a^2 x^2}} \, dx}{2 a^2 c}\\ &=\frac{1+a x}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}+\frac{\left (3 a^2\right ) \int \frac{1}{x \sqrt{1-a^2 x^2}} \, dx}{2 c}\\ &=\frac{1+a x}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}+\frac{\left (3 a^2\right ) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{1-a^2 x}} \, dx,x,x^2\right )}{4 c}\\ &=\frac{1+a x}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{3 \operatorname{Subst}\left (\int \frac{1}{\frac{1}{a^2}-\frac{x^2}{a^2}} \, dx,x,\sqrt{1-a^2 x^2}\right )}{2 c}\\ &=\frac{1+a x}{c x^2 \sqrt{1-a^2 x^2}}-\frac{3 \sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{3 a^2 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c}\\ \end{align*}
Mathematica [A] time = 0.0363257, size = 83, normalized size = 0.84 \[ -\frac{-4 a^3 x^3-3 a^2 x^2+3 a^2 x^2 \sqrt{1-a^2 x^2} \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )+2 a x+1}{2 c x^2 \sqrt{1-a^2 x^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.041, size = 97, normalized size = 1. \begin{align*} -{\frac{1}{c} \left ({\frac{a}{x}\sqrt{-{a}^{2}{x}^{2}+1}}+{\frac{3\,{a}^{2}}{2}{\it Artanh} \left ({\frac{1}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) }+{a\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-1}}+{\frac{1}{2\,{x}^{2}}\sqrt{-{a}^{2}{x}^{2}+1}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} -\int \frac{a x + 1}{{\left (a^{2} c x^{2} - c\right )} \sqrt{-a^{2} x^{2} + 1} x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.54449, size = 197, normalized size = 1.99 \begin{align*} \frac{2 \, a^{3} x^{3} - 2 \, a^{2} x^{2} + 3 \,{\left (a^{3} x^{3} - a^{2} x^{2}\right )} \log \left (\frac{\sqrt{-a^{2} x^{2} + 1} - 1}{x}\right ) -{\left (4 \, a^{2} x^{2} - a x - 1\right )} \sqrt{-a^{2} x^{2} + 1}}{2 \,{\left (a c x^{3} - c x^{2}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{\int \frac{a}{- a^{2} x^{4} \sqrt{- a^{2} x^{2} + 1} + x^{2} \sqrt{- a^{2} x^{2} + 1}}\, dx + \int \frac{1}{- a^{2} x^{5} \sqrt{- a^{2} x^{2} + 1} + x^{3} \sqrt{- a^{2} x^{2} + 1}}\, dx}{c} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.21046, size = 302, normalized size = 3.05 \begin{align*} -\frac{{\left (a^{3} + \frac{3 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )} a}{x} - \frac{20 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{2}}{a x^{2}}\right )} a^{4} x^{2}}{8 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{2} c{\left (\frac{\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a}{a^{2} x} - 1\right )}{\left | a \right |}} - \frac{3 \, a^{3} \log \left (\frac{{\left | -2 \, \sqrt{-a^{2} x^{2} + 1}{\left | a \right |} - 2 \, a \right |}}{2 \, a^{2}{\left | x \right |}}\right )}{2 \, c{\left | a \right |}} - \frac{\frac{4 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )} a c{\left | a \right |}}{x} + \frac{{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{2} c{\left | a \right |}}{a x^{2}}}{8 \, a^{2} c^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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