Optimal. Leaf size=124 \[ -\frac{\sqrt{a x+1} (c-a c x)^{3/2}}{c x (1-a x)^{3/2}}-\frac{5 a (c-a c x)^{3/2} \tanh ^{-1}\left (\sqrt{a x+1}\right )}{c (1-a x)^{3/2}}+\frac{4 \sqrt{2} a (c-a c x)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{a x+1}}{\sqrt{2}}\right )}{c (1-a x)^{3/2}} \]
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Rubi [A] time = 0.135035, antiderivative size = 124, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 6, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.261, Rules used = {6130, 23, 98, 156, 63, 208} \[ -\frac{\sqrt{a x+1} (c-a c x)^{3/2}}{c x (1-a x)^{3/2}}-\frac{5 a (c-a c x)^{3/2} \tanh ^{-1}\left (\sqrt{a x+1}\right )}{c (1-a x)^{3/2}}+\frac{4 \sqrt{2} a (c-a c x)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{a x+1}}{\sqrt{2}}\right )}{c (1-a x)^{3/2}} \]
Antiderivative was successfully verified.
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Rule 6130
Rule 23
Rule 98
Rule 156
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{3 \tanh ^{-1}(a x)} \sqrt{c-a c x}}{x^2} \, dx &=\int \frac{(1+a x)^{3/2} \sqrt{c-a c x}}{x^2 (1-a x)^{3/2}} \, dx\\ &=\frac{(c-a c x)^{3/2} \int \frac{(1+a x)^{3/2}}{x^2 (c-a c x)} \, dx}{(1-a x)^{3/2}}\\ &=-\frac{\sqrt{1+a x} (c-a c x)^{3/2}}{c x (1-a x)^{3/2}}-\frac{(c-a c x)^{3/2} \int \frac{-\frac{5 a c}{2}-\frac{3}{2} a^2 c x}{x \sqrt{1+a x} (c-a c x)} \, dx}{c (1-a x)^{3/2}}\\ &=-\frac{\sqrt{1+a x} (c-a c x)^{3/2}}{c x (1-a x)^{3/2}}+\frac{\left (4 a^2 (c-a c x)^{3/2}\right ) \int \frac{1}{\sqrt{1+a x} (c-a c x)} \, dx}{(1-a x)^{3/2}}+\frac{\left (5 a (c-a c x)^{3/2}\right ) \int \frac{1}{x \sqrt{1+a x}} \, dx}{2 c (1-a x)^{3/2}}\\ &=-\frac{\sqrt{1+a x} (c-a c x)^{3/2}}{c x (1-a x)^{3/2}}+\frac{\left (8 a (c-a c x)^{3/2}\right ) \operatorname{Subst}\left (\int \frac{1}{2 c-c x^2} \, dx,x,\sqrt{1+a x}\right )}{(1-a x)^{3/2}}+\frac{\left (5 (c-a c x)^{3/2}\right ) \operatorname{Subst}\left (\int \frac{1}{-\frac{1}{a}+\frac{x^2}{a}} \, dx,x,\sqrt{1+a x}\right )}{c (1-a x)^{3/2}}\\ &=-\frac{\sqrt{1+a x} (c-a c x)^{3/2}}{c x (1-a x)^{3/2}}-\frac{5 a (c-a c x)^{3/2} \tanh ^{-1}\left (\sqrt{1+a x}\right )}{c (1-a x)^{3/2}}+\frac{4 \sqrt{2} a (c-a c x)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{1+a x}}{\sqrt{2}}\right )}{c (1-a x)^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.0358617, size = 75, normalized size = 0.6 \[ -\frac{\sqrt{c-a c x} \left (\sqrt{a x+1}+5 a x \tanh ^{-1}\left (\sqrt{a x+1}\right )-4 \sqrt{2} a x \tanh ^{-1}\left (\frac{\sqrt{a x+1}}{\sqrt{2}}\right )\right )}{x \sqrt{1-a x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.124, size = 105, normalized size = 0.9 \begin{align*}{\frac{1}{ \left ( ax-1 \right ) x} \left ( -4\,\sqrt{2}{\it Artanh} \left ( 1/2\,{\frac{\sqrt{c \left ( ax+1 \right ) }\sqrt{2}}{\sqrt{c}}} \right ) xac+5\,{\it Artanh} \left ({\frac{\sqrt{c \left ( ax+1 \right ) }}{\sqrt{c}}} \right ) xac+\sqrt{c \left ( ax+1 \right ) }\sqrt{c} \right ) \sqrt{-{a}^{2}{x}^{2}+1}\sqrt{-c \left ( ax-1 \right ) }{\frac{1}{\sqrt{c \left ( ax+1 \right ) }}}{\frac{1}{\sqrt{c}}}} \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{\sqrt{-a c x + c}{\left (a x + 1\right )}^{3}}{{\left (-a^{2} x^{2} + 1\right )}^{\frac{3}{2}} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.98907, size = 799, normalized size = 6.44 \begin{align*} \left [\frac{4 \, \sqrt{2}{\left (a^{2} x^{2} - a x\right )} \sqrt{c} \log \left (-\frac{a^{2} c x^{2} + 2 \, a c x - 2 \, \sqrt{2} \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c} \sqrt{c} - 3 \, c}{a^{2} x^{2} - 2 \, a x + 1}\right ) + 5 \,{\left (a^{2} x^{2} - a x\right )} \sqrt{c} \log \left (-\frac{a^{2} c x^{2} + a c x + 2 \, \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c} \sqrt{c} - 2 \, c}{a x^{2} - x}\right ) + 2 \, \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c}}{2 \,{\left (a x^{2} - x\right )}}, \frac{4 \, \sqrt{2}{\left (a^{2} x^{2} - a x\right )} \sqrt{-c} \arctan \left (\frac{\sqrt{2} \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c} \sqrt{-c}}{a^{2} c x^{2} - c}\right ) - 5 \,{\left (a^{2} x^{2} - a x\right )} \sqrt{-c} \arctan \left (\frac{\sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c} \sqrt{-c}}{a^{2} c x^{2} - c}\right ) + \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c}}{a x^{2} - x}\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*} \int \frac{\sqrt{- c \left (a x - 1\right )} \left (a x + 1\right )^{3}}{x^{2} \left (- \left (a x - 1\right ) \left (a x + 1\right )\right )^{\frac{3}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.28635, size = 211, normalized size = 1.7 \begin{align*} -a c^{2}{\left (\frac{4 \, \sqrt{2} \arctan \left (\frac{\sqrt{2} \sqrt{a c x + c}}{2 \, \sqrt{-c}}\right )}{\sqrt{-c}{\left | c \right |}} - \frac{5 \, \arctan \left (\frac{\sqrt{a c x + c}}{\sqrt{-c}}\right )}{\sqrt{-c}{\left | c \right |}} + \frac{\sqrt{a c x + c}}{a c x{\left | c \right |}}\right )} - \frac{\sqrt{2}{\left (5 \, \sqrt{2} a c^{\frac{5}{2}} \arctan \left (\frac{\sqrt{2} \sqrt{c}}{\sqrt{-c}}\right ) - 8 \, a c^{\frac{5}{2}} \arctan \left (\frac{\sqrt{c}}{\sqrt{-c}}\right ) - 2 \, a \sqrt{-c} c^{2}\right )}}{2 \, \sqrt{-c} \sqrt{c}{\left | c \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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