Optimal. Leaf size=250 \[ \frac{113 x^2 \sqrt [4]{\frac{1}{a x}+1}}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 x \sqrt [4]{\frac{1}{a x}+1}}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}-\frac{2467 \sqrt [4]{\frac{1}{a x}+1}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{475 \tan ^{-1}\left (\frac{\sqrt [4]{\frac{1}{a x}+1}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}+\frac{475 \tanh ^{-1}\left (\frac{\sqrt [4]{\frac{1}{a x}+1}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}+\frac{x^4 \sqrt [4]{\frac{1}{a x}+1}}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 x^3 \sqrt [4]{\frac{1}{a x}+1}}{24 a \sqrt [4]{1-\frac{1}{a x}}} \]
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Rubi [A] time = 0.135991, antiderivative size = 250, normalized size of antiderivative = 1., number of steps used = 11, number of rules used = 9, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.643, Rules used = {6171, 98, 151, 155, 12, 93, 212, 206, 203} \[ \frac{113 x^2 \sqrt [4]{\frac{1}{a x}+1}}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 x \sqrt [4]{\frac{1}{a x}+1}}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}-\frac{2467 \sqrt [4]{\frac{1}{a x}+1}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{475 \tan ^{-1}\left (\frac{\sqrt [4]{\frac{1}{a x}+1}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}+\frac{475 \tanh ^{-1}\left (\frac{\sqrt [4]{\frac{1}{a x}+1}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}+\frac{x^4 \sqrt [4]{\frac{1}{a x}+1}}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 x^3 \sqrt [4]{\frac{1}{a x}+1}}{24 a \sqrt [4]{1-\frac{1}{a x}}} \]
Antiderivative was successfully verified.
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Rule 6171
Rule 98
Rule 151
Rule 155
Rule 12
Rule 93
Rule 212
Rule 206
Rule 203
Rubi steps
\begin{align*} \int e^{\frac{5}{2} \coth ^{-1}(a x)} x^3 \, dx &=-\operatorname{Subst}\left (\int \frac{\left (1+\frac{x}{a}\right )^{5/4}}{x^5 \left (1-\frac{x}{a}\right )^{5/4}} \, dx,x,\frac{1}{x}\right )\\ &=\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{1}{4} \operatorname{Subst}\left (\int \frac{-\frac{17}{2 a}-\frac{8 x}{a^2}}{x^4 \left (1-\frac{x}{a}\right )^{5/4} \left (1+\frac{x}{a}\right )^{3/4}} \, dx,x,\frac{1}{x}\right )\\ &=\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}-\frac{1}{12} \operatorname{Subst}\left (\int \frac{\frac{113}{4 a^2}+\frac{51 x}{2 a^3}}{x^3 \left (1-\frac{x}{a}\right )^{5/4} \left (1+\frac{x}{a}\right )^{3/4}} \, dx,x,\frac{1}{x}\right )\\ &=\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{1}{24} \operatorname{Subst}\left (\int \frac{-\frac{521}{8 a^3}-\frac{113 x}{2 a^4}}{x^2 \left (1-\frac{x}{a}\right )^{5/4} \left (1+\frac{x}{a}\right )^{3/4}} \, dx,x,\frac{1}{x}\right )\\ &=\frac{521 \sqrt [4]{1+\frac{1}{a x}} x}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}+\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}-\frac{1}{24} \operatorname{Subst}\left (\int \frac{\frac{1425}{16 a^4}+\frac{521 x}{8 a^5}}{x \left (1-\frac{x}{a}\right )^{5/4} \left (1+\frac{x}{a}\right )^{3/4}} \, dx,x,\frac{1}{x}\right )\\ &=-\frac{2467 \sqrt [4]{1+\frac{1}{a x}}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 \sqrt [4]{1+\frac{1}{a x}} x}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}+\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{1}{12} a \operatorname{Subst}\left (\int -\frac{1425}{32 a^5 x \sqrt [4]{1-\frac{x}{a}} \left (1+\frac{x}{a}\right )^{3/4}} \, dx,x,\frac{1}{x}\right )\\ &=-\frac{2467 \sqrt [4]{1+\frac{1}{a x}}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 \sqrt [4]{1+\frac{1}{a x}} x}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}+\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}-\frac{475 \operatorname{Subst}\left (\int \frac{1}{x \sqrt [4]{1-\frac{x}{a}} \left (1+\frac{x}{a}\right )^{3/4}} \, dx,x,\frac{1}{x}\right )}{128 a^4}\\ &=-\frac{2467 \sqrt [4]{1+\frac{1}{a x}}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 \sqrt [4]{1+\frac{1}{a x}} x}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}+\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}-\frac{475 \operatorname{Subst}\left (\int \frac{1}{-1+x^4} \, dx,x,\frac{\sqrt [4]{1+\frac{1}{a x}}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{32 a^4}\\ &=-\frac{2467 \sqrt [4]{1+\frac{1}{a x}}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 \sqrt [4]{1+\frac{1}{a x}} x}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}+\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{475 \operatorname{Subst}\left (\int \frac{1}{1-x^2} \, dx,x,\frac{\sqrt [4]{1+\frac{1}{a x}}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}+\frac{475 \operatorname{Subst}\left (\int \frac{1}{1+x^2} \, dx,x,\frac{\sqrt [4]{1+\frac{1}{a x}}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}\\ &=-\frac{2467 \sqrt [4]{1+\frac{1}{a x}}}{192 a^4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{521 \sqrt [4]{1+\frac{1}{a x}} x}{192 a^3 \sqrt [4]{1-\frac{1}{a x}}}+\frac{113 \sqrt [4]{1+\frac{1}{a x}} x^2}{96 a^2 \sqrt [4]{1-\frac{1}{a x}}}+\frac{17 \sqrt [4]{1+\frac{1}{a x}} x^3}{24 a \sqrt [4]{1-\frac{1}{a x}}}+\frac{\sqrt [4]{1+\frac{1}{a x}} x^4}{4 \sqrt [4]{1-\frac{1}{a x}}}+\frac{475 \tan ^{-1}\left (\frac{\sqrt [4]{1+\frac{1}{a x}}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}+\frac{475 \tanh ^{-1}\left (\frac{\sqrt [4]{1+\frac{1}{a x}}}{\sqrt [4]{1-\frac{1}{a x}}}\right )}{64 a^4}\\ \end{align*}
Mathematica [A] time = 5.23914, size = 161, normalized size = 0.64 \[ \frac{-3072 e^{\frac{1}{2} \coth ^{-1}(a x)}+\frac{6292 e^{\frac{1}{2} \coth ^{-1}(a x)}}{e^{2 \coth ^{-1}(a x)}-1}+\frac{7376 e^{\frac{1}{2} \coth ^{-1}(a x)}}{\left (e^{2 \coth ^{-1}(a x)}-1\right )^2}+\frac{5248 e^{\frac{1}{2} \coth ^{-1}(a x)}}{\left (e^{2 \coth ^{-1}(a x)}-1\right )^3}+\frac{1536 e^{\frac{1}{2} \coth ^{-1}(a x)}}{\left (e^{2 \coth ^{-1}(a x)}-1\right )^4}-1425 \log \left (1-e^{\frac{1}{2} \coth ^{-1}(a x)}\right )+1425 \log \left (e^{\frac{1}{2} \coth ^{-1}(a x)}+1\right )+2850 \tan ^{-1}\left (e^{\frac{1}{2} \coth ^{-1}(a x)}\right )}{384 a^4} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.325, size = 0, normalized size = 0. \begin{align*} \int{{x}^{3} \left ({\frac{ax-1}{ax+1}} \right ) ^{-{\frac{5}{4}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.4941, size = 321, normalized size = 1.28 \begin{align*} \frac{1}{384} \, a{\left (\frac{4 \,{\left (\frac{4645 \,{\left (a x - 1\right )}}{a x + 1} - \frac{7483 \,{\left (a x - 1\right )}^{2}}{{\left (a x + 1\right )}^{2}} + \frac{5415 \,{\left (a x - 1\right )}^{3}}{{\left (a x + 1\right )}^{3}} - \frac{1425 \,{\left (a x - 1\right )}^{4}}{{\left (a x + 1\right )}^{4}} - 768\right )}}{a^{5} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{17}{4}} - 4 \, a^{5} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{13}{4}} + 6 \, a^{5} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{9}{4}} - 4 \, a^{5} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{5}{4}} + a^{5} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}}} - \frac{2850 \, \arctan \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}}\right )}{a^{5}} + \frac{1425 \, \log \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}} + 1\right )}{a^{5}} - \frac{1425 \, \log \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}} - 1\right )}{a^{5}}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.70379, size = 389, normalized size = 1.56 \begin{align*} -\frac{2850 \,{\left (a x - 1\right )} \arctan \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}}\right ) - 1425 \,{\left (a x - 1\right )} \log \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}} + 1\right ) + 1425 \,{\left (a x - 1\right )} \log \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}} - 1\right ) - 2 \,{\left (48 \, a^{5} x^{5} + 184 \, a^{4} x^{4} + 362 \, a^{3} x^{3} + 747 \, a^{2} x^{2} - 1946 \, a x - 2467\right )} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{4}}}{384 \,{\left (a^{5} x - a^{4}\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{x^{3}}{\left (\frac{a x - 1}{a x + 1}\right )^{\frac{5}{4}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.20687, size = 301, normalized size = 1.2 \begin{align*} -\frac{1}{384} \, a{\left (\frac{2850 \, \arctan \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}}\right )}{a^{5}} - \frac{1425 \, \log \left (\left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}} + 1\right )}{a^{5}} + \frac{1425 \, \log \left ({\left | \left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}} - 1 \right |}\right )}{a^{5}} + \frac{3072}{a^{5} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{1}{4}}} + \frac{4 \,{\left (\frac{2875 \,{\left (a x - 1\right )} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{4}}}{a x + 1} - \frac{2343 \,{\left (a x - 1\right )}^{2} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{4}}}{{\left (a x + 1\right )}^{2}} + \frac{657 \,{\left (a x - 1\right )}^{3} \left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{4}}}{{\left (a x + 1\right )}^{3}} - 1573 \, \left (\frac{a x - 1}{a x + 1}\right )^{\frac{3}{4}}\right )}}{a^{5}{\left (\frac{a x - 1}{a x + 1} - 1\right )}^{4}}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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