Optimal. Leaf size=76 \[ c x \sqrt{\frac{1}{a x}+1} \left (1-\frac{1}{a x}\right )^{3/2}-\frac{3 c \csc ^{-1}(a x)}{a}-\frac{3 c \tanh ^{-1}\left (\sqrt{1-\frac{1}{a x}} \sqrt{\frac{1}{a x}+1}\right )}{a} \]
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Rubi [A] time = 0.0567363, antiderivative size = 76, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 8, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.4, Rules used = {6194, 98, 12, 105, 41, 216, 92, 208} \[ c x \sqrt{\frac{1}{a x}+1} \left (1-\frac{1}{a x}\right )^{3/2}-\frac{3 c \csc ^{-1}(a x)}{a}-\frac{3 c \tanh ^{-1}\left (\sqrt{1-\frac{1}{a x}} \sqrt{\frac{1}{a x}+1}\right )}{a} \]
Antiderivative was successfully verified.
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Rule 6194
Rule 98
Rule 12
Rule 105
Rule 41
Rule 216
Rule 92
Rule 208
Rubi steps
\begin{align*} \int e^{-3 \coth ^{-1}(a x)} \left (c-\frac{c}{a^2 x^2}\right ) \, dx &=-\left (c \operatorname{Subst}\left (\int \frac{\left (1-\frac{x}{a}\right )^{5/2}}{x^2 \sqrt{1+\frac{x}{a}}} \, dx,x,\frac{1}{x}\right )\right )\\ &=c \left (1-\frac{1}{a x}\right )^{3/2} \sqrt{1+\frac{1}{a x}} x+c \operatorname{Subst}\left (\int \frac{3 \sqrt{1-\frac{x}{a}}}{a x \sqrt{1+\frac{x}{a}}} \, dx,x,\frac{1}{x}\right )\\ &=c \left (1-\frac{1}{a x}\right )^{3/2} \sqrt{1+\frac{1}{a x}} x+\frac{(3 c) \operatorname{Subst}\left (\int \frac{\sqrt{1-\frac{x}{a}}}{x \sqrt{1+\frac{x}{a}}} \, dx,x,\frac{1}{x}\right )}{a}\\ &=c \left (1-\frac{1}{a x}\right )^{3/2} \sqrt{1+\frac{1}{a x}} x-\frac{(3 c) \operatorname{Subst}\left (\int \frac{1}{\sqrt{1-\frac{x}{a}} \sqrt{1+\frac{x}{a}}} \, dx,x,\frac{1}{x}\right )}{a^2}+\frac{(3 c) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{1-\frac{x}{a}} \sqrt{1+\frac{x}{a}}} \, dx,x,\frac{1}{x}\right )}{a}\\ &=c \left (1-\frac{1}{a x}\right )^{3/2} \sqrt{1+\frac{1}{a x}} x-\frac{(3 c) \operatorname{Subst}\left (\int \frac{1}{\sqrt{1-\frac{x^2}{a^2}}} \, dx,x,\frac{1}{x}\right )}{a^2}-\frac{(3 c) \operatorname{Subst}\left (\int \frac{1}{\frac{1}{a}-\frac{x^2}{a}} \, dx,x,\sqrt{1-\frac{1}{a x}} \sqrt{1+\frac{1}{a x}}\right )}{a^2}\\ &=c \left (1-\frac{1}{a x}\right )^{3/2} \sqrt{1+\frac{1}{a x}} x-\frac{3 c \csc ^{-1}(a x)}{a}-\frac{3 c \tanh ^{-1}\left (\sqrt{1-\frac{1}{a x}} \sqrt{1+\frac{1}{a x}}\right )}{a}\\ \end{align*}
Mathematica [A] time = 0.0871882, size = 57, normalized size = 0.75 \[ \frac{c \left (\sqrt{1-\frac{1}{a^2 x^2}} (a x-1)-3 \log \left (x \left (\sqrt{1-\frac{1}{a^2 x^2}}+1\right )\right )-3 \sin ^{-1}\left (\frac{1}{a x}\right )\right )}{a} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.132, size = 234, normalized size = 3.1 \begin{align*}{\frac{ \left ( ax+1 \right ) ^{2}c}{ \left ( ax-1 \right ){a}^{2}x} \left ({\frac{ax-1}{ax+1}} \right ) ^{{\frac{3}{2}}} \left ( -\sqrt{{a}^{2}{x}^{2}-1}\sqrt{{a}^{2}}{x}^{2}{a}^{2}+ \left ({a}^{2}{x}^{2}-1 \right ) ^{{\frac{3}{2}}}\sqrt{{a}^{2}}-3\,\sqrt{{a}^{2}}\sqrt{{a}^{2}{x}^{2}-1}xa+\ln \left ({ \left ({a}^{2}x+\sqrt{{a}^{2}{x}^{2}-1}\sqrt{{a}^{2}} \right ){\frac{1}{\sqrt{{a}^{2}}}}} \right ) x{a}^{2}-3\,ax\sqrt{{a}^{2}}\arctan \left ({\frac{1}{\sqrt{{a}^{2}{x}^{2}-1}}} \right ) +4\,\sqrt{{a}^{2}}\sqrt{ \left ( ax-1 \right ) \left ( ax+1 \right ) }xa-4\,\ln \left ({\frac{{a}^{2}x+\sqrt{{a}^{2}}\sqrt{ \left ( ax-1 \right ) \left ( ax+1 \right ) }}{\sqrt{{a}^{2}}}} \right ) x{a}^{2} \right ){\frac{1}{\sqrt{{a}^{2}}}}{\frac{1}{\sqrt{ \left ( ax-1 \right ) \left ( ax+1 \right ) }}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.55317, size = 159, normalized size = 2.09 \begin{align*} -{\left (\frac{4 \, c \left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{2}}}{\frac{{\left (a x - 1\right )}^{2} a^{2}}{{\left (a x + 1\right )}^{2}} - a^{2}} - \frac{6 \, c \arctan \left (\sqrt{\frac{a x - 1}{a x + 1}}\right )}{a^{2}} + \frac{3 \, c \log \left (\sqrt{\frac{a x - 1}{a x + 1}} + 1\right )}{a^{2}} - \frac{3 \, c \log \left (\sqrt{\frac{a x - 1}{a x + 1}} - 1\right )}{a^{2}}\right )} a \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.30446, size = 252, normalized size = 3.32 \begin{align*} \frac{6 \, a c x \arctan \left (\sqrt{\frac{a x - 1}{a x + 1}}\right ) - 3 \, a c x \log \left (\sqrt{\frac{a x - 1}{a x + 1}} + 1\right ) + 3 \, a c x \log \left (\sqrt{\frac{a x - 1}{a x + 1}} - 1\right ) +{\left (a^{2} c x^{2} - c\right )} \sqrt{\frac{a x - 1}{a x + 1}}}{a^{2} x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.18923, size = 165, normalized size = 2.17 \begin{align*} \frac{6 \, c \arctan \left (-x{\left | a \right |} + \sqrt{a^{2} x^{2} - 1}\right ) \mathrm{sgn}\left (a x + 1\right )}{a} + \frac{3 \, c \log \left ({\left | -x{\left | a \right |} + \sqrt{a^{2} x^{2} - 1} \right |}\right ) \mathrm{sgn}\left (a x + 1\right )}{{\left | a \right |}} + \frac{\sqrt{a^{2} x^{2} - 1} c \mathrm{sgn}\left (a x + 1\right )}{a} - \frac{2 \, c \mathrm{sgn}\left (a x + 1\right )}{{\left ({\left (x{\left | a \right |} - \sqrt{a^{2} x^{2} - 1}\right )}^{2} + 1\right )}{\left | a \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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