Optimal. Leaf size=113 \[ -\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2}}{3 c}-4 a^2 \sqrt{c-\frac{c}{a x}}+4 \sqrt{2} a^2 \sqrt{c} \tanh ^{-1}\left (\frac{\sqrt{c-\frac{c}{a x}}}{\sqrt{2} \sqrt{c}}\right ) \]
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Rubi [A] time = 0.253156, antiderivative size = 113, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 8, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.296, Rules used = {6133, 25, 514, 446, 80, 50, 63, 208} \[ -\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2}}{3 c}-4 a^2 \sqrt{c-\frac{c}{a x}}+4 \sqrt{2} a^2 \sqrt{c} \tanh ^{-1}\left (\frac{\sqrt{c-\frac{c}{a x}}}{\sqrt{2} \sqrt{c}}\right ) \]
Antiderivative was successfully verified.
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Rule 6133
Rule 25
Rule 514
Rule 446
Rule 80
Rule 50
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{-2 \tanh ^{-1}(a x)} \sqrt{c-\frac{c}{a x}}}{x^3} \, dx &=\int \frac{\sqrt{c-\frac{c}{a x}} (1-a x)}{x^3 (1+a x)} \, dx\\ &=-\frac{a \int \frac{\left (c-\frac{c}{a x}\right )^{3/2}}{x^2 (1+a x)} \, dx}{c}\\ &=-\frac{a \int \frac{\left (c-\frac{c}{a x}\right )^{3/2}}{\left (a+\frac{1}{x}\right ) x^3} \, dx}{c}\\ &=\frac{a \operatorname{Subst}\left (\int \frac{x \left (c-\frac{c x}{a}\right )^{3/2}}{a+x} \, dx,x,\frac{1}{x}\right )}{c}\\ &=-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}-\frac{a^2 \operatorname{Subst}\left (\int \frac{\left (c-\frac{c x}{a}\right )^{3/2}}{a+x} \, dx,x,\frac{1}{x}\right )}{c}\\ &=-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2}}{3 c}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}-\left (2 a^2\right ) \operatorname{Subst}\left (\int \frac{\sqrt{c-\frac{c x}{a}}}{a+x} \, dx,x,\frac{1}{x}\right )\\ &=-4 a^2 \sqrt{c-\frac{c}{a x}}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2}}{3 c}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}-\left (4 a^2 c\right ) \operatorname{Subst}\left (\int \frac{1}{(a+x) \sqrt{c-\frac{c x}{a}}} \, dx,x,\frac{1}{x}\right )\\ &=-4 a^2 \sqrt{c-\frac{c}{a x}}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2}}{3 c}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}+\left (8 a^3\right ) \operatorname{Subst}\left (\int \frac{1}{2 a-\frac{a x^2}{c}} \, dx,x,\sqrt{c-\frac{c}{a x}}\right )\\ &=-4 a^2 \sqrt{c-\frac{c}{a x}}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2}}{3 c}-\frac{2 a^2 \left (c-\frac{c}{a x}\right )^{5/2}}{5 c^2}+4 \sqrt{2} a^2 \sqrt{c} \tanh ^{-1}\left (\frac{\sqrt{c-\frac{c}{a x}}}{\sqrt{2} \sqrt{c}}\right )\\ \end{align*}
Mathematica [A] time = 0.075404, size = 79, normalized size = 0.7 \[ 4 \sqrt{2} a^2 \sqrt{c} \tanh ^{-1}\left (\frac{\sqrt{c-\frac{c}{a x}}}{\sqrt{2} \sqrt{c}}\right )-\frac{2 \left (38 a^2 x^2-11 a x+3\right ) \sqrt{c-\frac{c}{a x}}}{15 x^2} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.128, size = 278, normalized size = 2.5 \begin{align*}{\frac{1}{15\,{x}^{3}}\sqrt{{\frac{c \left ( ax-1 \right ) }{ax}}} \left ( -90\,\sqrt{a{x}^{2}-x}{a}^{7/2}\sqrt{{a}^{-1}}{x}^{4}+30\,{a}^{7/2}\sqrt{{a}^{-1}}\sqrt{ \left ( ax-1 \right ) x}{x}^{4}+60\,{a}^{5/2} \left ( a{x}^{2}-x \right ) ^{3/2}{x}^{2}\sqrt{{a}^{-1}}+45\,\ln \left ( 1/2\,{\frac{2\,\sqrt{a{x}^{2}-x}\sqrt{a}+2\,ax-1}{\sqrt{a}}} \right ) \sqrt{{a}^{-1}}{x}^{4}{a}^{3}-30\,{a}^{5/2}\sqrt{2}\ln \left ({\frac{2\,\sqrt{2}\sqrt{{a}^{-1}}\sqrt{ \left ( ax-1 \right ) x}a-3\,ax+1}{ax+1}} \right ){x}^{4}-45\,\ln \left ( 1/2\,{\frac{2\,\sqrt{ \left ( ax-1 \right ) x}\sqrt{a}+2\,ax-1}{\sqrt{a}}} \right ) \sqrt{{a}^{-1}}{x}^{4}{a}^{3}-16\,{a}^{3/2} \left ( a{x}^{2}-x \right ) ^{3/2}x\sqrt{{a}^{-1}}+6\, \left ( a{x}^{2}-x \right ) ^{3/2}\sqrt{a}\sqrt{{a}^{-1}} \right ){\frac{1}{\sqrt{ \left ( ax-1 \right ) x}}}{\frac{1}{\sqrt{a}}}{\frac{1}{\sqrt{{a}^{-1}}}}} \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{{\left (a^{2} x^{2} - 1\right )} \sqrt{c - \frac{c}{a x}}}{{\left (a x + 1\right )}^{2} x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.36566, size = 433, normalized size = 3.83 \begin{align*} \left [\frac{2 \,{\left (15 \, \sqrt{2} a^{2} \sqrt{c} x^{2} \log \left (-\frac{2 \, \sqrt{2} a \sqrt{c} x \sqrt{\frac{a c x - c}{a x}} + 3 \, a c x - c}{a x + 1}\right ) -{\left (38 \, a^{2} x^{2} - 11 \, a x + 3\right )} \sqrt{\frac{a c x - c}{a x}}\right )}}{15 \, x^{2}}, -\frac{2 \,{\left (30 \, \sqrt{2} a^{2} \sqrt{-c} x^{2} \arctan \left (\frac{\sqrt{2} \sqrt{-c} \sqrt{\frac{a c x - c}{a x}}}{2 \, c}\right ) +{\left (38 \, a^{2} x^{2} - 11 \, a x + 3\right )} \sqrt{\frac{a c x - c}{a x}}\right )}}{15 \, 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*} - \int - \frac{\sqrt{c - \frac{c}{a x}}}{a x^{4} + x^{3}}\, dx - \int \frac{a x \sqrt{c - \frac{c}{a x}}}{a x^{4} + x^{3}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 2.17577, size = 375, normalized size = 3.32 \begin{align*} -\frac{4 \, \sqrt{2} a^{3} c \arctan \left (\frac{\sqrt{2}{\left ({\left (\sqrt{a^{2} c} x - \sqrt{a^{2} c x^{2} - a c x}\right )} a + \sqrt{c}{\left | a \right |}\right )}}{2 \, a \sqrt{-c}}\right )}{\sqrt{-c}{\left | a \right |} \mathrm{sgn}\left (x\right )} - \frac{2 \,{\left (60 \,{\left (\sqrt{a^{2} c} x - \sqrt{a^{2} c x^{2} - a c x}\right )}^{4} a^{5} c - 45 \,{\left (\sqrt{a^{2} c} x - \sqrt{a^{2} c x^{2} - a c x}\right )}^{3} a^{4} c^{\frac{3}{2}}{\left | a \right |} + 35 \,{\left (\sqrt{a^{2} c} x - \sqrt{a^{2} c x^{2} - a c x}\right )}^{2} a^{5} c^{2} - 15 \,{\left (\sqrt{a^{2} c} x - \sqrt{a^{2} c x^{2} - a c x}\right )} a^{4} c^{\frac{5}{2}}{\left | a \right |} + 3 \, a^{5} c^{3}\right )}}{15 \,{\left (\sqrt{a^{2} c} x - \sqrt{a^{2} c x^{2} - a c x}\right )}^{5} a^{2}{\left | a \right |} \mathrm{sgn}\left (x\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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