Optimal. Leaf size=97 \[ \frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{8 a x+5}{5 c^3 \sqrt{1-a^2 x^2}}+\frac{8 (a x+1)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}-\frac{\tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{c^3} \]
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Rubi [A] time = 0.274138, antiderivative size = 97, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 8, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.421, Rules used = {6128, 852, 1805, 823, 12, 266, 63, 208} \[ \frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{8 a x+5}{5 c^3 \sqrt{1-a^2 x^2}}+\frac{8 (a x+1)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}-\frac{\tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{c^3} \]
Antiderivative was successfully verified.
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Rule 6128
Rule 852
Rule 1805
Rule 823
Rule 12
Rule 266
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{\tanh ^{-1}(a x)}}{x (c-a c x)^3} \, dx &=c \int \frac{\sqrt{1-a^2 x^2}}{x (c-a c x)^4} \, dx\\ &=\frac{\int \frac{(c+a c x)^4}{x \left (1-a^2 x^2\right )^{7/2}} \, dx}{c^7}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}-\frac{\int \frac{-5 c^4-12 a c^4 x+5 a^2 c^4 x^2}{x \left (1-a^2 x^2\right )^{5/2}} \, dx}{5 c^7}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}+\frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{\int \frac{15 c^4+24 a c^4 x}{x \left (1-a^2 x^2\right )^{3/2}} \, dx}{15 c^7}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}+\frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{5+8 a x}{5 c^3 \sqrt{1-a^2 x^2}}+\frac{\int \frac{15 a^2 c^4}{x \sqrt{1-a^2 x^2}} \, dx}{15 a^2 c^7}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}+\frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{5+8 a x}{5 c^3 \sqrt{1-a^2 x^2}}+\frac{\int \frac{1}{x \sqrt{1-a^2 x^2}} \, dx}{c^3}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}+\frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{5+8 a x}{5 c^3 \sqrt{1-a^2 x^2}}+\frac{\operatorname{Subst}\left (\int \frac{1}{x \sqrt{1-a^2 x}} \, dx,x,x^2\right )}{2 c^3}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}+\frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{5+8 a x}{5 c^3 \sqrt{1-a^2 x^2}}-\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^2 c^3}\\ &=\frac{8 (1+a x)}{5 c^3 \left (1-a^2 x^2\right )^{5/2}}+\frac{4 a x}{5 c^3 \left (1-a^2 x^2\right )^{3/2}}+\frac{5+8 a x}{5 c^3 \sqrt{1-a^2 x^2}}-\frac{\tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{c^3}\\ \end{align*}
Mathematica [C] time = 0.0861565, size = 71, normalized size = 0.73 \[ \frac{3 \text{Hypergeometric2F1}\left (-\frac{5}{2},1,-\frac{3}{2},1-a^2 x^2\right )+24 a^5 x^5-60 a^3 x^3+5 a^2 x^2+60 a x+16}{15 c^3 \left (1-a^2 x^2\right )^{5/2}} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.048, size = 275, normalized size = 2.8 \begin{align*} -{\frac{1}{{c}^{3}} \left ( 2\,{\frac{1}{{a}^{2}} \left ( 1/5\,{\frac{1}{a}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-3}}-2/5\,a \left ( 1/3\,{\frac{1}{a}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-2}}-1/3\,{\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-1}} \right ) \right ) }+{\it Artanh} \left ({\frac{1}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) -{\frac{1}{a} \left ({\frac{1}{3\,a}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-2}}-{\frac{1}{3}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-1}} \right ) }+{\frac{1}{a}\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.
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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 )}^{3} x}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.64981, size = 284, normalized size = 2.93 \begin{align*} \frac{13 \, a^{3} x^{3} - 39 \, a^{2} x^{2} + 39 \, a x + 5 \,{\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \log \left (\frac{\sqrt{-a^{2} x^{2} + 1} - 1}{x}\right ) -{\left (8 \, a^{2} x^{2} - 19 \, a x + 13\right )} \sqrt{-a^{2} x^{2} + 1} - 13}{5 \,{\left (a^{3} c^{3} x^{3} - 3 \, a^{2} c^{3} x^{2} + 3 \, a c^{3} x - c^{3}\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^{3} x^{4} \sqrt{- a^{2} x^{2} + 1} - 3 a^{2} x^{3} \sqrt{- a^{2} x^{2} + 1} + 3 a x^{2} \sqrt{- a^{2} x^{2} + 1} - x \sqrt{- a^{2} x^{2} + 1}}\, dx + \int \frac{1}{a^{3} x^{4} \sqrt{- a^{2} x^{2} + 1} - 3 a^{2} x^{3} \sqrt{- a^{2} x^{2} + 1} + 3 a x^{2} \sqrt{- a^{2} x^{2} + 1} - x \sqrt{- a^{2} x^{2} + 1}}\, dx}{c^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.22046, size = 255, normalized size = 2.63 \begin{align*} -\frac{a \log \left (\frac{{\left | -2 \, \sqrt{-a^{2} x^{2} + 1}{\left | a \right |} - 2 \, a \right |}}{2 \, a^{2}{\left | x \right |}}\right )}{c^{3}{\left | a \right |}} + \frac{2 \,{\left (13 \, a - \frac{45 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}}{a x} + \frac{75 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{2}}{a^{3} x^{2}} - \frac{55 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{3}}{a^{5} x^{3}} + \frac{20 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{4}}{a^{7} x^{4}}\right )}}{5 \, c^{3}{\left (\frac{\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a}{a^{2} x} - 1\right )}^{5}{\left | a \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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