Optimal. Leaf size=121 \[ -\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}+\frac{10 i a \sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}-5 i a \tan ^{-1}\left (\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-5 i a \tanh ^{-1}\left (\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right ) \]
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Rubi [A] time = 0.0381298, antiderivative size = 121, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.375, Rules used = {5062, 94, 93, 212, 206, 203} \[ -\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}+\frac{10 i a \sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}-5 i a \tan ^{-1}\left (\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-5 i a \tanh ^{-1}\left (\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right ) \]
Antiderivative was successfully verified.
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Rule 5062
Rule 94
Rule 93
Rule 212
Rule 206
Rule 203
Rubi steps
\begin{align*} \int \frac{e^{\frac{5}{2} i \tan ^{-1}(a x)}}{x^2} \, dx &=\int \frac{(1+i a x)^{5/4}}{x^2 (1-i a x)^{5/4}} \, dx\\ &=-\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}+\frac{1}{2} (5 i a) \int \frac{\sqrt [4]{1+i a x}}{x (1-i a x)^{5/4}} \, dx\\ &=\frac{10 i a \sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}-\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}+\frac{1}{2} (5 i a) \int \frac{1}{x \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx\\ &=\frac{10 i a \sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}-\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}+(10 i a) \operatorname{Subst}\left (\int \frac{1}{-1+x^4} \, dx,x,\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )\\ &=\frac{10 i a \sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}-\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}-(5 i a) \operatorname{Subst}\left (\int \frac{1}{1-x^2} \, dx,x,\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-(5 i a) \operatorname{Subst}\left (\int \frac{1}{1+x^2} \, dx,x,\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )\\ &=\frac{10 i a \sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}-\frac{(1+i a x)^{5/4}}{x \sqrt [4]{1-i a x}}-5 i a \tan ^{-1}\left (\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-5 i a \tanh ^{-1}\left (\frac{\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )\\ \end{align*}
Mathematica [C] time = 0.0205397, size = 87, normalized size = 0.72 \[ \frac{-10 a x (a x+i) \text{Hypergeometric2F1}\left (\frac{3}{4},1,\frac{7}{4},\frac{a x+i}{-a x+i}\right )-3 \left (9 a^2 x^2-8 i a x+1\right )}{3 x \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.15, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{2}} \left ({(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) ^{{\frac{5}{2}}}}\, dx \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 (\frac{i \, a x + 1}{\sqrt{a^{2} x^{2} + 1}}\right )^{\frac{5}{2}}}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.63947, size = 377, normalized size = 3.12 \begin{align*} \frac{-5 i \, a x \log \left (\sqrt{\frac{i \, \sqrt{a^{2} x^{2} + 1}}{a x + i}} + 1\right ) + 5 \, a x \log \left (\sqrt{\frac{i \, \sqrt{a^{2} x^{2} + 1}}{a x + i}} + i\right ) - 5 \, a x \log \left (\sqrt{\frac{i \, \sqrt{a^{2} x^{2} + 1}}{a x + i}} - i\right ) + 5 i \, a x \log \left (\sqrt{\frac{i \, \sqrt{a^{2} x^{2} + 1}}{a x + i}} - 1\right ) - 2 \,{\left (-9 i \, a x + 1\right )} \sqrt{\frac{i \, \sqrt{a^{2} x^{2} + 1}}{a x + i}}}{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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (\frac{i \, a x + 1}{\sqrt{a^{2} x^{2} + 1}}\right )^{\frac{5}{2}}}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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