Optimal. Leaf size=122 \[ -\frac{\tanh ^{-1}\left (\frac{\sqrt{c} \sqrt{1-a^2 x^2}}{\sqrt{2} \sqrt{c-a c x}}\right )}{8 \sqrt{2} a c^{5/2}}-\frac{\sqrt{1-a^2 x^2}}{8 a c (c-a c x)^{3/2}}+\frac{\sqrt{1-a^2 x^2}}{2 a (c-a c x)^{5/2}} \]
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Rubi [A] time = 0.106377, antiderivative size = 122, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.278, Rules used = {6127, 663, 673, 661, 208} \[ -\frac{\tanh ^{-1}\left (\frac{\sqrt{c} \sqrt{1-a^2 x^2}}{\sqrt{2} \sqrt{c-a c x}}\right )}{8 \sqrt{2} a c^{5/2}}-\frac{\sqrt{1-a^2 x^2}}{8 a c (c-a c x)^{3/2}}+\frac{\sqrt{1-a^2 x^2}}{2 a (c-a c x)^{5/2}} \]
Antiderivative was successfully verified.
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Rule 6127
Rule 663
Rule 673
Rule 661
Rule 208
Rubi steps
\begin{align*} \int \frac{e^{\tanh ^{-1}(a x)}}{(c-a c x)^{5/2}} \, dx &=c \int \frac{\sqrt{1-a^2 x^2}}{(c-a c x)^{7/2}} \, dx\\ &=\frac{\sqrt{1-a^2 x^2}}{2 a (c-a c x)^{5/2}}-\frac{\int \frac{1}{(c-a c x)^{3/2} \sqrt{1-a^2 x^2}} \, dx}{4 c}\\ &=\frac{\sqrt{1-a^2 x^2}}{2 a (c-a c x)^{5/2}}-\frac{\sqrt{1-a^2 x^2}}{8 a c (c-a c x)^{3/2}}-\frac{\int \frac{1}{\sqrt{c-a c x} \sqrt{1-a^2 x^2}} \, dx}{16 c^2}\\ &=\frac{\sqrt{1-a^2 x^2}}{2 a (c-a c x)^{5/2}}-\frac{\sqrt{1-a^2 x^2}}{8 a c (c-a c x)^{3/2}}+\frac{a \operatorname{Subst}\left (\int \frac{1}{-2 a^2 c+a^2 c^2 x^2} \, dx,x,\frac{\sqrt{1-a^2 x^2}}{\sqrt{c-a c x}}\right )}{8 c}\\ &=\frac{\sqrt{1-a^2 x^2}}{2 a (c-a c x)^{5/2}}-\frac{\sqrt{1-a^2 x^2}}{8 a c (c-a c x)^{3/2}}-\frac{\tanh ^{-1}\left (\frac{\sqrt{c} \sqrt{1-a^2 x^2}}{\sqrt{2} \sqrt{c-a c x}}\right )}{8 \sqrt{2} a c^{5/2}}\\ \end{align*}
Mathematica [C] time = 0.0184426, size = 57, normalized size = 0.47 \[ \frac{(a x+1)^{3/2} \sqrt{c-a c x} \text{Hypergeometric2F1}\left (\frac{3}{2},3,\frac{5}{2},\frac{1}{2} (a x+1)\right )}{12 a c^3 \sqrt{1-a x}} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.102, size = 156, normalized size = 1.3 \begin{align*}{\frac{1}{16\, \left ( ax-1 \right ) ^{3}a}\sqrt{-{a}^{2}{x}^{2}+1}\sqrt{-c \left ( ax-1 \right ) } \left ( \sqrt{2}{\it Artanh} \left ({\frac{\sqrt{2}}{2}\sqrt{c \left ( ax+1 \right ) }{\frac{1}{\sqrt{c}}}} \right ){x}^{2}{a}^{2}c-2\,\sqrt{2}{\it Artanh} \left ( 1/2\,{\frac{\sqrt{c \left ( ax+1 \right ) }\sqrt{2}}{\sqrt{c}}} \right ) xac-2\,xa\sqrt{c \left ( ax+1 \right ) }\sqrt{c}+\sqrt{2}{\it Artanh} \left ({\frac{\sqrt{2}}{2}\sqrt{c \left ( ax+1 \right ) }{\frac{1}{\sqrt{c}}}} \right ) c-6\,\sqrt{c \left ( ax+1 \right ) }\sqrt{c} \right ){c}^{-{\frac{7}{2}}}{\frac{1}{\sqrt{c \left ( ax+1 \right ) }}}} \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{a x + 1}{\sqrt{-a^{2} x^{2} + 1}{\left (-a c x + c\right )}^{\frac{5}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.02664, size = 695, normalized size = 5.7 \begin{align*} \left [\frac{\sqrt{2}{\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\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 ) - 4 \, \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c}{\left (a x + 3\right )}}{32 \,{\left (a^{4} c^{3} x^{3} - 3 \, a^{3} c^{3} x^{2} + 3 \, a^{2} c^{3} x - a c^{3}\right )}}, -\frac{\sqrt{2}{\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\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 ) + 2 \, \sqrt{-a^{2} x^{2} + 1} \sqrt{-a c x + c}{\left (a x + 3\right )}}{16 \,{\left (a^{4} c^{3} x^{3} - 3 \, a^{3} c^{3} x^{2} + 3 \, a^{2} c^{3} x - a c^{3}\right )}}\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{a x + 1}{\left (- c \left (a x - 1\right )\right )^{\frac{5}{2}} \sqrt{- \left (a x - 1\right ) \left (a x + 1\right )}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.30308, size = 103, normalized size = 0.84 \begin{align*} \frac{\frac{\sqrt{2} \arctan \left (\frac{\sqrt{2} \sqrt{a c x + c}}{2 \, \sqrt{-c}}\right )}{\sqrt{-c} c} + \frac{2 \,{\left ({\left (a c x + c\right )}^{\frac{3}{2}} + 2 \, \sqrt{a c x + c} c\right )}}{{\left (a c x - c\right )}^{2} c}}{16 \, a{\left | c \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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