Optimal. Leaf size=181 \[ -\frac{a^2 x^3 \sqrt{a x+1} (31 a x+18) \left (c-\frac{c}{a x}\right )^{7/2}}{15 (1-a x)^{7/2}}+\frac{5 a^{5/2} x^{7/2} \left (c-\frac{c}{a x}\right )^{7/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )}{(1-a x)^{7/2}}+\frac{2 a x^2 \sqrt{a x+1} \left (c-\frac{c}{a x}\right )^{7/2}}{3 (1-a x)^{3/2}}-\frac{2 x \sqrt{a x+1} \left (c-\frac{c}{a x}\right )^{7/2}}{5 \sqrt{1-a x}} \]
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Rubi [A] time = 0.165372, antiderivative size = 181, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.318, Rules used = {6134, 6129, 97, 150, 143, 54, 215} \[ -\frac{a^2 x^3 \sqrt{a x+1} (31 a x+18) \left (c-\frac{c}{a x}\right )^{7/2}}{15 (1-a x)^{7/2}}+\frac{5 a^{5/2} x^{7/2} \left (c-\frac{c}{a x}\right )^{7/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )}{(1-a x)^{7/2}}+\frac{2 a x^2 \sqrt{a x+1} \left (c-\frac{c}{a x}\right )^{7/2}}{3 (1-a x)^{3/2}}-\frac{2 x \sqrt{a x+1} \left (c-\frac{c}{a x}\right )^{7/2}}{5 \sqrt{1-a x}} \]
Antiderivative was successfully verified.
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Rule 6134
Rule 6129
Rule 97
Rule 150
Rule 143
Rule 54
Rule 215
Rubi steps
\begin{align*} \int e^{\tanh ^{-1}(a x)} \left (c-\frac{c}{a x}\right )^{7/2} \, dx &=\frac{\left (\left (c-\frac{c}{a x}\right )^{7/2} x^{7/2}\right ) \int \frac{e^{\tanh ^{-1}(a x)} (1-a x)^{7/2}}{x^{7/2}} \, dx}{(1-a x)^{7/2}}\\ &=\frac{\left (\left (c-\frac{c}{a x}\right )^{7/2} x^{7/2}\right ) \int \frac{(1-a x)^3 \sqrt{1+a x}}{x^{7/2}} \, dx}{(1-a x)^{7/2}}\\ &=-\frac{2 \left (c-\frac{c}{a x}\right )^{7/2} x \sqrt{1+a x}}{5 \sqrt{1-a x}}+\frac{\left (2 \left (c-\frac{c}{a x}\right )^{7/2} x^{7/2}\right ) \int \frac{(1-a x)^2 \left (-\frac{5 a}{2}-\frac{7 a^2 x}{2}\right )}{x^{5/2} \sqrt{1+a x}} \, dx}{5 (1-a x)^{7/2}}\\ &=\frac{2 a \left (c-\frac{c}{a x}\right )^{7/2} x^2 \sqrt{1+a x}}{3 (1-a x)^{3/2}}-\frac{2 \left (c-\frac{c}{a x}\right )^{7/2} x \sqrt{1+a x}}{5 \sqrt{1-a x}}+\frac{\left (4 \left (c-\frac{c}{a x}\right )^{7/2} x^{7/2}\right ) \int \frac{(1-a x) \left (\frac{9 a^2}{4}+\frac{31 a^3 x}{4}\right )}{x^{3/2} \sqrt{1+a x}} \, dx}{15 (1-a x)^{7/2}}\\ &=\frac{2 a \left (c-\frac{c}{a x}\right )^{7/2} x^2 \sqrt{1+a x}}{3 (1-a x)^{3/2}}-\frac{2 \left (c-\frac{c}{a x}\right )^{7/2} x \sqrt{1+a x}}{5 \sqrt{1-a x}}-\frac{a^2 \left (c-\frac{c}{a x}\right )^{7/2} x^3 \sqrt{1+a x} (18+31 a x)}{15 (1-a x)^{7/2}}+\frac{\left (5 a^3 \left (c-\frac{c}{a x}\right )^{7/2} x^{7/2}\right ) \int \frac{1}{\sqrt{x} \sqrt{1+a x}} \, dx}{2 (1-a x)^{7/2}}\\ &=\frac{2 a \left (c-\frac{c}{a x}\right )^{7/2} x^2 \sqrt{1+a x}}{3 (1-a x)^{3/2}}-\frac{2 \left (c-\frac{c}{a x}\right )^{7/2} x \sqrt{1+a x}}{5 \sqrt{1-a x}}-\frac{a^2 \left (c-\frac{c}{a x}\right )^{7/2} x^3 \sqrt{1+a x} (18+31 a x)}{15 (1-a x)^{7/2}}+\frac{\left (5 a^3 \left (c-\frac{c}{a x}\right )^{7/2} x^{7/2}\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{1+a x^2}} \, dx,x,\sqrt{x}\right )}{(1-a x)^{7/2}}\\ &=\frac{2 a \left (c-\frac{c}{a x}\right )^{7/2} x^2 \sqrt{1+a x}}{3 (1-a x)^{3/2}}-\frac{2 \left (c-\frac{c}{a x}\right )^{7/2} x \sqrt{1+a x}}{5 \sqrt{1-a x}}-\frac{a^2 \left (c-\frac{c}{a x}\right )^{7/2} x^3 \sqrt{1+a x} (18+31 a x)}{15 (1-a x)^{7/2}}+\frac{5 a^{5/2} \left (c-\frac{c}{a x}\right )^{7/2} x^{7/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )}{(1-a x)^{7/2}}\\ \end{align*}
Mathematica [A] time = 0.074095, size = 95, normalized size = 0.52 \[ \frac{c^3 \sqrt{c-\frac{c}{a x}} \left (\sqrt{a x+1} \left (15 a^3 x^3+56 a^2 x^2-28 a x+6\right )-75 a^{5/2} x^{5/2} \sinh ^{-1}\left (\sqrt{a} \sqrt{x}\right )\right )}{15 a^3 x^2 \sqrt{1-a x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.145, size = 154, normalized size = 0.9 \begin{align*} -{\frac{{c}^{3}}{30\,{x}^{2} \left ( ax-1 \right ) }\sqrt{{\frac{c \left ( ax-1 \right ) }{ax}}}\sqrt{-{a}^{2}{x}^{2}+1} \left ( 30\,{a}^{7/2}{x}^{3}\sqrt{- \left ( ax+1 \right ) x}+75\,\arctan \left ( 1/2\,{\frac{2\,ax+1}{\sqrt{a}\sqrt{- \left ( ax+1 \right ) x}}} \right ){x}^{3}{a}^{3}+112\,{a}^{5/2}{x}^{2}\sqrt{- \left ( ax+1 \right ) x}-56\,{a}^{3/2}x\sqrt{- \left ( ax+1 \right ) x}+12\,\sqrt{a}\sqrt{- \left ( ax+1 \right ) x} \right ){a}^{-{\frac{7}{2}}}{\frac{1}{\sqrt{- \left ( ax+1 \right ) x}}}} \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 x + 1\right )}{\left (c - \frac{c}{a x}\right )}^{\frac{7}{2}}}{\sqrt{-a^{2} x^{2} + 1}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.92512, size = 745, normalized size = 4.12 \begin{align*} \left [\frac{75 \,{\left (a^{3} c^{3} x^{3} - a^{2} c^{3} x^{2}\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 (15 \, a^{3} c^{3} x^{3} + 56 \, a^{2} c^{3} x^{2} - 28 \, a c^{3} x + 6 \, c^{3}\right )} \sqrt{-a^{2} x^{2} + 1} \sqrt{\frac{a c x - c}{a x}}}{60 \,{\left (a^{4} x^{3} - a^{3} x^{2}\right )}}, \frac{75 \,{\left (a^{3} c^{3} x^{3} - a^{2} c^{3} x^{2}\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 ) - 2 \,{\left (15 \, a^{3} c^{3} x^{3} + 56 \, a^{2} c^{3} x^{2} - 28 \, a c^{3} x + 6 \, c^{3}\right )} \sqrt{-a^{2} x^{2} + 1} \sqrt{\frac{a c x - c}{a x}}}{30 \,{\left (a^{4} x^{3} - a^{3} x^{2}\right )}}\right ] \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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (a x + 1\right )}{\left (c - \frac{c}{a x}\right )}^{\frac{7}{2}}}{\sqrt{-a^{2} x^{2} + 1}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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