Integrand size = 16, antiderivative size = 240 \[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=-\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}-\frac {31}{128} i a^5 \arctan \left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-\frac {31}{128} i a^5 \text {arctanh}\left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right ) \]
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Time = 0.07 (sec) , antiderivative size = 240, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5170, 101, 156, 12, 95, 218, 212, 209} \[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=-\frac {31}{128} i a^5 \arctan \left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-\frac {31}{128} i a^5 \text {arctanh}\left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}-\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4} \]
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Rule 12
Rule 95
Rule 101
Rule 156
Rule 209
Rule 212
Rule 218
Rule 5170
Rubi steps \begin{align*} \text {integral}& = \int \frac {\sqrt [4]{1+i a x}}{x^6 \sqrt [4]{1-i a x}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}+\frac {1}{5} \int \frac {\frac {9 i a}{2}-4 a^2 x}{x^5 \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}-\frac {1}{20} \int \frac {\frac {55 a^2}{4}+\frac {27}{2} i a^3 x}{x^4 \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {1}{60} \int \frac {-\frac {269 i a^3}{8}+\frac {55 a^4 x}{2}}{x^3 \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {1}{120} \int \frac {-\frac {611 a^4}{16}-\frac {269}{8} i a^5 x}{x^2 \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}+\frac {1}{120} \int \frac {465 i a^5}{32 x \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}+\frac {1}{256} \left (31 i a^5\right ) \int \frac {1}{x \sqrt [4]{1-i a x} (1+i a x)^{3/4}} \, dx \\ & = -\frac {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}+\frac {1}{64} \left (31 i a^5\right ) \text {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 {(1-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}-\frac {1}{128} \left (31 i a^5\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}{128} \left (31 i a^5\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-i a x)^{3/4} \sqrt [4]{1+i a x}}{5 x^5}-\frac {9 i a (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{40 x^4}+\frac {11 a^2 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{48 x^3}+\frac {269 i a^3 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{960 x^2}-\frac {611 a^4 (1-i a x)^{3/4} \sqrt [4]{1+i a x}}{1920 x}-\frac {31}{128} i a^5 \arctan \left (\frac {\sqrt [4]{1+i a x}}{\sqrt [4]{1-i a x}}\right )-\frac {31}{128} i a^5 \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 = 0.03 (sec) , antiderivative size = 111, normalized size of antiderivative = 0.46 \[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=\frac {(1-i a x)^{3/4} \left (-384-816 i a x+872 a^2 x^2+978 i a^3 x^3-1149 a^4 x^4-611 i a^5 x^5-310 i a^5 x^5 \operatorname {Hypergeometric2F1}\left (\frac {3}{4},1,\frac {7}{4},\frac {i+a x}{i-a x}\right )\right )}{1920 x^5 (1+i a x)^{3/4}} \]
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\[\int \frac {\sqrt {\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}}}{x^{6}}d x\]
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none
Time = 0.27 (sec) , antiderivative size = 200, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=\frac {-465 i \, a^{5} x^{5} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} + 1\right ) + 465 \, a^{5} x^{5} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} + i\right ) - 465 \, a^{5} x^{5} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} - i\right ) + 465 i \, a^{5} x^{5} \log \left (\sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}} - 1\right ) - 2 \, {\left (-611 i \, a^{5} x^{5} + 73 \, a^{4} x^{4} - 98 i \, a^{3} x^{3} - 8 \, a^{2} x^{2} + 48 i \, a x + 384\right )} \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}}}{3840 \, x^{5}} \]
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\[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=\int \frac {\sqrt {\frac {i \left (a x - i\right )}{\sqrt {a^{2} x^{2} + 1}}}}{x^{6}}\, dx \]
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\[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=\int { \frac {\sqrt {\frac {i \, a x + 1}{\sqrt {a^{2} x^{2} + 1}}}}{x^{6}} \,d x } \]
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Exception generated. \[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {e^{\frac {1}{2} i \arctan (a x)}}{x^6} \, dx=\int \frac {\sqrt {\frac {1+a\,x\,1{}\mathrm {i}}{\sqrt {a^2\,x^2+1}}}}{x^6} \,d x \]
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