Optimal. Leaf size=159 \[ -\frac{(1-a x)^{3/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )}{a^{5/2} x^{3/2} \left (c-\frac{c}{a x}\right )^{3/2}}+\frac{\sqrt{2} (1-a x)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{a} \sqrt{x}}{\sqrt{a x+1}}\right )}{a^{5/2} x^{3/2} \left (c-\frac{c}{a x}\right )^{3/2}}-\frac{\sqrt{a x+1} (1-a x)^{3/2}}{a^2 x \left (c-\frac{c}{a x}\right )^{3/2}} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.179565, antiderivative size = 159, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 9, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.375, Rules used = {6134, 6129, 102, 21, 105, 54, 215, 93, 206} \[ -\frac{(1-a x)^{3/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )}{a^{5/2} x^{3/2} \left (c-\frac{c}{a x}\right )^{3/2}}+\frac{\sqrt{2} (1-a x)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{a} \sqrt{x}}{\sqrt{a x+1}}\right )}{a^{5/2} x^{3/2} \left (c-\frac{c}{a x}\right )^{3/2}}-\frac{\sqrt{a x+1} (1-a x)^{3/2}}{a^2 x \left (c-\frac{c}{a x}\right )^{3/2}} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 6134
Rule 6129
Rule 102
Rule 21
Rule 105
Rule 54
Rule 215
Rule 93
Rule 206
Rubi steps
\begin{align*} \int \frac{e^{-\tanh ^{-1}(a x)}}{\left (c-\frac{c}{a x}\right )^{3/2}} \, dx &=\frac{(1-a x)^{3/2} \int \frac{e^{-\tanh ^{-1}(a x)} x^{3/2}}{(1-a x)^{3/2}} \, dx}{\left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ &=\frac{(1-a x)^{3/2} \int \frac{x^{3/2}}{(1-a x) \sqrt{1+a x}} \, dx}{\left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ &=-\frac{(1-a x)^{3/2} \sqrt{1+a x}}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x}-\frac{(1-a x)^{3/2} \int \frac{-\frac{1}{2}-\frac{a x}{2}}{\sqrt{x} (1-a x) \sqrt{1+a x}} \, dx}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ &=-\frac{(1-a x)^{3/2} \sqrt{1+a x}}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x}+\frac{(1-a x)^{3/2} \int \frac{\sqrt{1+a x}}{\sqrt{x} (1-a x)} \, dx}{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ &=-\frac{(1-a x)^{3/2} \sqrt{1+a x}}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x}-\frac{(1-a x)^{3/2} \int \frac{1}{\sqrt{x} \sqrt{1+a x}} \, dx}{2 a^2 \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}+\frac{(1-a x)^{3/2} \int \frac{1}{\sqrt{x} (1-a x) \sqrt{1+a x}} \, dx}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ &=-\frac{(1-a x)^{3/2} \sqrt{1+a x}}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x}-\frac{(1-a x)^{3/2} \operatorname{Subst}\left (\int \frac{1}{\sqrt{1+a x^2}} \, dx,x,\sqrt{x}\right )}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}+\frac{\left (2 (1-a x)^{3/2}\right ) \operatorname{Subst}\left (\int \frac{1}{1-2 a x^2} \, dx,x,\frac{\sqrt{x}}{\sqrt{1+a x}}\right )}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ &=-\frac{(1-a x)^{3/2} \sqrt{1+a x}}{a^2 \left (c-\frac{c}{a x}\right )^{3/2} x}-\frac{(1-a x)^{3/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )}{a^{5/2} \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}+\frac{\sqrt{2} (1-a x)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{a} \sqrt{x}}{\sqrt{1+a x}}\right )}{a^{5/2} \left (c-\frac{c}{a x}\right )^{3/2} x^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.058452, size = 105, normalized size = 0.66 \[ \frac{\sqrt{1-a x} \left (\sqrt{a} \sqrt{x} \sqrt{a x+1}+\sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )-\sqrt{2} \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{a} \sqrt{x}}{\sqrt{a x+1}}\right )\right )}{a^{3/2} c \sqrt{x} \sqrt{c-\frac{c}{a x}}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.145, size = 168, normalized size = 1.1 \begin{align*}{\frac{x\sqrt{2}}{4\,{c}^{2} \left ( ax-1 \right ) }\sqrt{{\frac{c \left ( ax-1 \right ) }{ax}}}\sqrt{-{a}^{2}{x}^{2}+1} \left ( 2\,\sqrt{- \left ( ax+1 \right ) x}{a}^{3/2}\sqrt{2}\sqrt{-{a}^{-1}}-\arctan \left ({\frac{2\,ax+1}{2}{\frac{1}{\sqrt{a}}}{\frac{1}{\sqrt{- \left ( ax+1 \right ) x}}}} \right ) a\sqrt{2}\sqrt{-{a}^{-1}}+2\,\ln \left ({\frac{1}{ax-1} \left ( 2\,\sqrt{2}\sqrt{-{a}^{-1}}\sqrt{- \left ( ax+1 \right ) x}a-3\,ax-1 \right ) } \right ) \sqrt{a} \right ){a}^{-{\frac{3}{2}}}{\frac{1}{\sqrt{- \left ( ax+1 \right ) x}}}{\frac{1}{\sqrt{-{a}^{-1}}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{-a^{2} x^{2} + 1}}{{\left (a x + 1\right )}{\left (c - \frac{c}{a x}\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 2.45272, size = 986, normalized size = 6.2 \begin{align*} \left [\frac{4 \, \sqrt{-a^{2} x^{2} + 1} a x \sqrt{\frac{a c x - c}{a x}} + \sqrt{2}{\left (a c x - c\right )} \sqrt{-\frac{1}{c}} \log \left (-\frac{17 \, a^{3} x^{3} - 3 \, a^{2} x^{2} + 4 \, \sqrt{2}{\left (3 \, a^{2} x^{2} + a x\right )} \sqrt{-a^{2} x^{2} + 1} \sqrt{-\frac{1}{c}} \sqrt{\frac{a c x - c}{a x}} - 13 \, a x - 1}{a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1}\right ) -{\left (a x - 1\right )} \sqrt{-c} \log \left (-\frac{8 \, a^{3} c x^{3} - 7 \, a c x + 4 \,{\left (2 \, a^{2} x^{2} + a x\right )} \sqrt{-a^{2} x^{2} + 1} \sqrt{-c} \sqrt{\frac{a c x - c}{a x}} - c}{a x - 1}\right )}{4 \,{\left (a^{2} c^{2} x - a c^{2}\right )}}, \frac{2 \, \sqrt{-a^{2} x^{2} + 1} a x \sqrt{\frac{a c x - c}{a x}} +{\left (a x - 1\right )} \sqrt{c} \arctan \left (\frac{2 \, \sqrt{-a^{2} x^{2} + 1} a \sqrt{c} x \sqrt{\frac{a c x - c}{a x}}}{2 \, a^{2} c x^{2} - a c x - c}\right ) - \frac{\sqrt{2}{\left (a c x - c\right )} \arctan \left (\frac{2 \, \sqrt{2} \sqrt{-a^{2} x^{2} + 1} a x \sqrt{\frac{a c x - c}{a x}}}{{\left (3 \, a^{2} x^{2} - 2 \, a x - 1\right )} \sqrt{c}}\right )}{\sqrt{c}}}{2 \,{\left (a^{2} c^{2} x - a c^{2}\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{- \left (a x - 1\right ) \left (a x + 1\right )}}{\left (- c \left (-1 + \frac{1}{a x}\right )\right )^{\frac{3}{2}} \left (a x + 1\right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{-a^{2} x^{2} + 1}}{{\left (a x + 1\right )}{\left (c - \frac{c}{a x}\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]