Optimal. Leaf size=161 \[ \frac{a^3 (23 a x+21)}{3 c^2 \sqrt{1-a^2 x^2}}+\frac{4 a^3 (a x+1)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}-\frac{17 a^2 \sqrt{1-a^2 x^2}}{3 c^2 x}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{17 a^3 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c^2} \]
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Rubi [A] time = 0.422952, antiderivative size = 161, normalized size of antiderivative = 1., number of steps used = 10, 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} \[ \frac{a^3 (23 a x+21)}{3 c^2 \sqrt{1-a^2 x^2}}+\frac{4 a^3 (a x+1)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}-\frac{17 a^2 \sqrt{1-a^2 x^2}}{3 c^2 x}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{17 a^3 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c^2} \]
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^4 (c-a c x)^2} \, dx &=c \int \frac{\sqrt{1-a^2 x^2}}{x^4 (c-a c x)^3} \, dx\\ &=\frac{\int \frac{(c+a c x)^3}{x^4 \left (1-a^2 x^2\right )^{5/2}} \, dx}{c^5}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}-\frac{\int \frac{-3 c^3-9 a c^3 x-12 a^2 c^3 x^2-12 a^3 c^3 x^3-8 a^4 c^3 x^4}{x^4 \left (1-a^2 x^2\right )^{3/2}} \, dx}{3 c^5}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}+\frac{\int \frac{3 c^3+9 a c^3 x+15 a^2 c^3 x^2+21 a^3 c^3 x^3}{x^4 \sqrt{1-a^2 x^2}} \, dx}{3 c^5}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{\int \frac{-27 a c^3-51 a^2 c^3 x-63 a^3 c^3 x^2}{x^3 \sqrt{1-a^2 x^2}} \, dx}{9 c^5}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}+\frac{\int \frac{102 a^2 c^3+153 a^3 c^3 x}{x^2 \sqrt{1-a^2 x^2}} \, dx}{18 c^5}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}-\frac{17 a^2 \sqrt{1-a^2 x^2}}{3 c^2 x}+\frac{\left (17 a^3\right ) \int \frac{1}{x \sqrt{1-a^2 x^2}} \, dx}{2 c^2}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}-\frac{17 a^2 \sqrt{1-a^2 x^2}}{3 c^2 x}+\frac{\left (17 a^3\right ) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{1-a^2 x}} \, dx,x,x^2\right )}{4 c^2}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}-\frac{17 a^2 \sqrt{1-a^2 x^2}}{3 c^2 x}-\frac{(17 a) \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^2}\\ &=\frac{4 a^3 (1+a x)}{3 c^2 \left (1-a^2 x^2\right )^{3/2}}+\frac{a^3 (21+23 a x)}{3 c^2 \sqrt{1-a^2 x^2}}-\frac{\sqrt{1-a^2 x^2}}{3 c^2 x^3}-\frac{3 a \sqrt{1-a^2 x^2}}{2 c^2 x^2}-\frac{17 a^2 \sqrt{1-a^2 x^2}}{3 c^2 x}-\frac{17 a^3 \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )}{2 c^2}\\ \end{align*}
Mathematica [A] time = 0.053057, size = 111, normalized size = 0.69 \[ \frac{80 a^5 x^5-29 a^4 x^4-91 a^3 x^3+23 a^2 x^2-51 a^3 x^3 (a x-1) \sqrt{1-a^2 x^2} \tanh ^{-1}\left (\sqrt{1-a^2 x^2}\right )+7 a x+2}{6 c^2 x^3 (a x-1) \sqrt{1-a^2 x^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.048, size = 226, normalized size = 1.4 \begin{align*}{\frac{1}{{c}^{2}} \left ( -{\frac{17\,{a}^{2}}{3\,x}\sqrt{-{a}^{2}{x}^{2}+1}}-7\,{a}^{3}{\it Artanh} \left ({\frac{1}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) +2\,{a}^{2} \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 ) -7\,{{a}^{2}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-1}}+3\,a \left ( -1/2\,{\frac{\sqrt{-{a}^{2}{x}^{2}+1}}{{x}^{2}}}-1/2\,{a}^{2}{\it Artanh} \left ({\frac{1}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) \right ) -{\frac{1}{3\,{x}^{3}}\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 )}^{2} x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.62905, size = 304, normalized size = 1.89 \begin{align*} \frac{50 \, a^{5} x^{5} - 100 \, a^{4} x^{4} + 50 \, a^{3} x^{3} + 51 \,{\left (a^{5} x^{5} - 2 \, a^{4} x^{4} + a^{3} x^{3}\right )} \log \left (\frac{\sqrt{-a^{2} x^{2} + 1} - 1}{x}\right ) -{\left (80 \, a^{4} x^{4} - 109 \, a^{3} x^{3} + 18 \, a^{2} x^{2} + 5 \, a x + 2\right )} \sqrt{-a^{2} x^{2} + 1}}{6 \,{\left (a^{2} c^{2} x^{5} - 2 \, a c^{2} x^{4} + c^{2} x^{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^{2} x^{6} \sqrt{- a^{2} x^{2} + 1} - 2 a x^{5} \sqrt{- a^{2} x^{2} + 1} + x^{4} \sqrt{- a^{2} x^{2} + 1}}\, dx + \int \frac{1}{a^{2} x^{6} \sqrt{- a^{2} x^{2} + 1} - 2 a x^{5} \sqrt{- a^{2} x^{2} + 1} + x^{4} \sqrt{- a^{2} x^{2} + 1}}\, dx}{c^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [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 )}^{2} x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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