Optimal. Leaf size=137 \[ -\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}-\frac{14 \left (1-a^2 x^2\right )^{3/2}}{15 a^4 c^3 (1-a x)^3}+\frac{\left (1-a^2 x^2\right )^{3/2}}{5 a^4 c^3 (1-a x)^4}+\frac{8 \sqrt{1-a^2 x^2}}{a^4 c^3 (1-a x)}-\frac{4 \sin ^{-1}(a x)}{a^4 c^3} \]
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Rubi [A] time = 0.332826, antiderivative size = 137, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 7, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.368, Rules used = {6128, 1639, 1637, 659, 651, 663, 216} \[ -\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}-\frac{14 \left (1-a^2 x^2\right )^{3/2}}{15 a^4 c^3 (1-a x)^3}+\frac{\left (1-a^2 x^2\right )^{3/2}}{5 a^4 c^3 (1-a x)^4}+\frac{8 \sqrt{1-a^2 x^2}}{a^4 c^3 (1-a x)}-\frac{4 \sin ^{-1}(a x)}{a^4 c^3} \]
Antiderivative was successfully verified.
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Rule 6128
Rule 1639
Rule 1637
Rule 659
Rule 651
Rule 663
Rule 216
Rubi steps
\begin{align*} \int \frac{e^{\tanh ^{-1}(a x)} x^3}{(c-a c x)^3} \, dx &=c \int \frac{x^3 \sqrt{1-a^2 x^2}}{(c-a c x)^4} \, dx\\ &=-\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}+\frac{\int \frac{\sqrt{1-a^2 x^2} \left (2 a^2 c^3-5 a^3 c^3 x+4 a^4 c^3 x^2\right )}{(c-a c x)^4} \, dx}{a^5 c^2}\\ &=-\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}+\frac{\int \left (\frac{a^2 \sqrt{1-a^2 x^2}}{c (-1+a x)^4}+\frac{3 a^2 \sqrt{1-a^2 x^2}}{c (-1+a x)^3}+\frac{4 a^2 \sqrt{1-a^2 x^2}}{c (-1+a x)^2}\right ) \, dx}{a^5 c^2}\\ &=-\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}+\frac{\int \frac{\sqrt{1-a^2 x^2}}{(-1+a x)^4} \, dx}{a^3 c^3}+\frac{3 \int \frac{\sqrt{1-a^2 x^2}}{(-1+a x)^3} \, dx}{a^3 c^3}+\frac{4 \int \frac{\sqrt{1-a^2 x^2}}{(-1+a x)^2} \, dx}{a^3 c^3}\\ &=\frac{8 \sqrt{1-a^2 x^2}}{a^4 c^3 (1-a x)}+\frac{\left (1-a^2 x^2\right )^{3/2}}{5 a^4 c^3 (1-a x)^4}-\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^3}-\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}-\frac{\int \frac{\sqrt{1-a^2 x^2}}{(-1+a x)^3} \, dx}{5 a^3 c^3}-\frac{4 \int \frac{1}{\sqrt{1-a^2 x^2}} \, dx}{a^3 c^3}\\ &=\frac{8 \sqrt{1-a^2 x^2}}{a^4 c^3 (1-a x)}+\frac{\left (1-a^2 x^2\right )^{3/2}}{5 a^4 c^3 (1-a x)^4}-\frac{14 \left (1-a^2 x^2\right )^{3/2}}{15 a^4 c^3 (1-a x)^3}-\frac{\left (1-a^2 x^2\right )^{3/2}}{a^4 c^3 (1-a x)^2}-\frac{4 \sin ^{-1}(a x)}{a^4 c^3}\\ \end{align*}
Mathematica [A] time = 0.0724086, size = 72, normalized size = 0.53 \[ \frac{\frac{\sqrt{a x+1} \left (-15 a^3 x^3+149 a^2 x^2-222 a x+94\right )}{(1-a x)^{5/2}}+120 \sin ^{-1}\left (\frac{\sqrt{1-a x}}{\sqrt{2}}\right )}{15 a^4 c^3} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.049, size = 186, normalized size = 1.4 \begin{align*}{\frac{1}{{a}^{4}{c}^{3}}\sqrt{-{a}^{2}{x}^{2}+1}}-4\,{\frac{1}{{c}^{3}{a}^{3}\sqrt{{a}^{2}}}\arctan \left ({\frac{\sqrt{{a}^{2}}x}{\sqrt{-{a}^{2}{x}^{2}+1}}} \right ) }-{\frac{2}{5\,{c}^{3}{a}^{7}}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-3}}-{\frac{31}{15\,{a}^{6}{c}^{3}}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-2}}-{\frac{104}{15\,{c}^{3}{a}^{5}}\sqrt{-{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,a \left ( x-{a}^{-1} \right ) } \left ( x-{a}^{-1} \right ) ^{-1}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.68404, size = 329, normalized size = 2.4 \begin{align*} \frac{94 \, a^{3} x^{3} - 282 \, a^{2} x^{2} + 282 \, a x + 120 \,{\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \arctan \left (\frac{\sqrt{-a^{2} x^{2} + 1} - 1}{a x}\right ) +{\left (15 \, a^{3} x^{3} - 149 \, a^{2} x^{2} + 222 \, a x - 94\right )} \sqrt{-a^{2} x^{2} + 1} - 94}{15 \,{\left (a^{7} c^{3} x^{3} - 3 \, a^{6} c^{3} x^{2} + 3 \, a^{5} c^{3} x - a^{4} 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{x^{3}}{a^{3} x^{3} \sqrt{- a^{2} x^{2} + 1} - 3 a^{2} x^{2} \sqrt{- a^{2} x^{2} + 1} + 3 a x \sqrt{- a^{2} x^{2} + 1} - \sqrt{- a^{2} x^{2} + 1}}\, dx + \int \frac{a x^{4}}{a^{3} x^{3} \sqrt{- a^{2} x^{2} + 1} - 3 a^{2} x^{2} \sqrt{- a^{2} x^{2} + 1} + 3 a x \sqrt{- a^{2} x^{2} + 1} - \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 [A] time = 1.20401, size = 251, normalized size = 1.83 \begin{align*} -\frac{4 \, \arcsin \left (a x\right ) \mathrm{sgn}\left (a\right )}{a^{3} c^{3}{\left | a \right |}} + \frac{\sqrt{-a^{2} x^{2} + 1}}{a^{4} c^{3}} - \frac{2 \,{\left (\frac{335 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}}{a^{2} x} - \frac{505 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{2}}{a^{4} x^{2}} + \frac{285 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{3}}{a^{6} x^{3}} - \frac{60 \,{\left (\sqrt{-a^{2} x^{2} + 1}{\left | a \right |} + a\right )}^{4}}{a^{8} x^{4}} - 79\right )}}{15 \, a^{3} 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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