Integrand size = 16, antiderivative size = 163 \[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=-\frac {25 a^2 \sqrt [4]{1-i a x}}{2 \sqrt [4]{1+i a x}}+\frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}-\frac {25}{4} a^2 \arctan \left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )+\frac {25}{4} a^2 \text {arctanh}\left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right ) \]
[Out]
Time = 0.04 (sec) , antiderivative size = 163, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.438, Rules used = {5170, 98, 96, 95, 304, 209, 212} \[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=-\frac {25}{4} a^2 \arctan \left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )+\frac {25}{4} a^2 \text {arctanh}\left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-\frac {25 a^2 \sqrt [4]{1-i a x}}{2 \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}+\frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}} \]
[In]
[Out]
Rule 95
Rule 96
Rule 98
Rule 209
Rule 212
Rule 304
Rule 5170
Rubi steps \begin{align*} \text {integral}& = \int \frac {(1-i a x)^{5/4}}{x^3 (1+i a x)^{5/4}} \, dx \\ & = -\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}-\frac {1}{4} (5 i a) \int \frac {(1-i a x)^{5/4}}{x^2 (1+i a x)^{5/4}} \, dx \\ & = \frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}-\frac {1}{8} \left (25 a^2\right ) \int \frac {\sqrt [4]{1-i a x}}{x (1+i a x)^{5/4}} \, dx \\ & = -\frac {25 a^2 \sqrt [4]{1-i a x}}{2 \sqrt [4]{1+i a x}}+\frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}-\frac {1}{8} \left (25 a^2\right ) \int \frac {1}{x (1-i a x)^{3/4} \sqrt [4]{1+i a x}} \, dx \\ & = -\frac {25 a^2 \sqrt [4]{1-i a x}}{2 \sqrt [4]{1+i a x}}+\frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}-\frac {1}{2} \left (25 a^2\right ) \text {Subst}\left (\int \frac {x^2}{-1+x^4} \, dx,x,\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right ) \\ & = -\frac {25 a^2 \sqrt [4]{1-i a x}}{2 \sqrt [4]{1+i a x}}+\frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}+\frac {1}{4} \left (25 a^2\right ) \text {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 {1}{4} \left (25 a^2\right ) \text {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 {25 a^2 \sqrt [4]{1-i a x}}{2 \sqrt [4]{1+i a x}}+\frac {5 i a (1-i a x)^{5/4}}{4 x \sqrt [4]{1+i a x}}-\frac {(1-i a x)^{9/4}}{2 x^2 \sqrt [4]{1+i a x}}-\frac {25}{4} a^2 \arctan \left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )+\frac {25}{4} a^2 \text {arctanh}\left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right ) \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 81, normalized size of antiderivative = 0.50 \[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=\frac {\sqrt [4]{1-i a x} \left (-2+9 i a x-43 a^2 x^2+50 a^2 x^2 \operatorname {Hypergeometric2F1}\left (\frac {1}{4},1,\frac {5}{4},\frac {i+a x}{i-a x}\right )\right )}{4 x^2 \sqrt [4]{1+i a x}} \]
[In]
[Out]
\[\int \frac {1}{{\left (\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}\right )}^{\frac {5}{2}} x^{3}}d x\]
[In]
[Out]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 238 vs. \(2 (111) = 222\).
Time = 0.27 (sec) , antiderivative size = 238, normalized size of antiderivative = 1.46 \[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=-\frac {2 \, \sqrt {a^{2} x^{2} + 1} {\left (-43 i \, a^{2} x^{2} - 9 \, a x - 2 i\right )} \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} - 25 \, {\left (a^{3} x^{3} - i \, a^{2} x^{2}\right )} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} + 1\right ) + 25 \, {\left (i \, a^{3} x^{3} + a^{2} x^{2}\right )} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} + i\right ) + 25 \, {\left (-i \, a^{3} x^{3} - a^{2} x^{2}\right )} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} - i\right ) + 25 \, {\left (a^{3} x^{3} - i \, a^{2} x^{2}\right )} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} - 1\right )}{8 \, {\left (a x^{3} - i \, x^{2}\right )}} \]
[In]
[Out]
\[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=\int \frac {1}{x^{3} \left (\frac {i \left (a x - i\right )}{\sqrt {a^{2} x^{2} + 1}}\right )^{\frac {5}{2}}}\, dx \]
[In]
[Out]
\[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=\int { \frac {1}{x^{3} \left (\frac {i \, a x + 1}{\sqrt {a^{2} x^{2} + 1}}\right )^{\frac {5}{2}}} \,d x } \]
[In]
[Out]
Exception generated. \[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=\text {Exception raised: TypeError} \]
[In]
[Out]
Timed out. \[ \int \frac {e^{-\frac {5}{2} i \arctan (a x)}}{x^3} \, dx=\int \frac {1}{x^3\,{\left (\frac {1+a\,x\,1{}\mathrm {i}}{\sqrt {a^2\,x^2+1}}\right )}^{5/2}} \,d x \]
[In]
[Out]