Optimal. Leaf size=100 \[ \frac{2 a^2 (a x+1)}{c \sqrt{1-a^2 x^2}}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}-\frac{5 a^2 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c} \]
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Rubi [A] time = 0.258057, antiderivative size = 100, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 8, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.421, Rules used = {6128, 852, 1805, 1807, 807, 266, 63, 208} \[ \frac{2 a^2 (a x+1)}{c \sqrt{1-a^2 x^2}}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}-\frac{5 a^2 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c} \]
Antiderivative was successfully verified.
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Rule 6128
Rule 852
Rule 1805
Rule 1807
Rule 807
Rule 266
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{\tanh ^{-1}(a x)}}{x^3 (c-a c x)} \, dx &=c \int \frac{\sqrt{1-a^2 x^2}}{x^3 (c-a c x)^2} \, dx\\ &=\frac{\int \frac{(c+a c x)^2}{x^3 \left (1-a^2 x^2\right )^{3/2}} \, dx}{c^3}\\ &=\frac{2 a^2 (1+a x)}{c \sqrt{1-a^2 x^2}}-\frac{\int \frac{-c^2-2 a c^2 x-2 a^2 c^2 x^2}{x^3 \sqrt{1-a^2 x^2}} \, dx}{c^3}\\ &=\frac{2 a^2 (1+a x)}{c \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}+\frac{\int \frac{4 a c^2+5 a^2 c^2 x}{x^2 \sqrt{1-a^2 x^2}} \, dx}{2 c^3}\\ &=\frac{2 a^2 (1+a x)}{c \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}+\frac{\left (5 a^2\right ) \int \frac{1}{x \sqrt{1-a^2 x^2}} \, dx}{2 c}\\ &=\frac{2 a^2 (1+a x)}{c \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}+\frac{\left (5 a^2\right ) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{1-a^2 x}} \, dx,x,x^2\right )}{4 c}\\ &=\frac{2 a^2 (1+a x)}{c \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{5 \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{2 a^2 (1+a x)}{c \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{2 c x^2}-\frac{2 a \sqrt{1-a^2 x^2}}{c x}-\frac{5 a^2 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c}\\ \end{align*}
Mathematica [A] time = 0.0401988, size = 83, normalized size = 0.83 \[ -\frac{-8 a^3 x^3-5 a^2 x^2+5 a^2 x^2 \sqrt{1-a^2 x^2} \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )+4 a x+1}{2 c x^2 \sqrt{1-a^2 x^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.05, size = 99, normalized size = 1. \begin{align*} -{\frac{1}{c} \left ( 2\,{\frac{a\sqrt{-{a}^{2}{x}^{2}+1}}{x}}+{\frac{5\,{a}^{2}}{2}{\it Artanh} \left ({\frac{1}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) }+2\,{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}{\sqrt{-a^{2} x^{2} + 1}{\left (a c x - c\right )} x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.52659, size = 200, normalized size = 2. \begin{align*} \frac{4 \, a^{3} x^{3} - 4 \, a^{2} x^{2} + 5 \,{\left (a^{3} x^{3} - a^{2} x^{2}\right )} \log \left (\frac{\sqrt{-a^{2} x^{2} + 1} - 1}{x}\right ) -{\left (8 \, a^{2} x^{2} - 3 \, 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 x}{a x^{4} \sqrt{- a^{2} x^{2} + 1} - x^{3} \sqrt{- a^{2} x^{2} + 1}}\, dx + \int \frac{1}{a x^{4} \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 = 1.26876, size = 302, normalized size = 3.02 \begin{align*} -\frac{{\left (a^{3} + \frac{7 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )} a}{x} - \frac{40 \,{\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{5 \, 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{8 \,{\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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