Integrand size = 24, antiderivative size = 35 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=-\frac {2}{3 a (i+a x)^3}-\frac {i}{2 a (i+a x)^2} \]
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Time = 0.03 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {5181, 45} \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=-\frac {i}{2 a (a x+i)^2}-\frac {2}{3 a (a x+i)^3} \]
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Rule 45
Rule 5181
Rubi steps \begin{align*} \text {integral}& = \int \frac {1+i a x}{(1-i a x)^4} \, dx \\ & = \int \left (\frac {2}{(i+a x)^4}+\frac {i}{(i+a x)^3}\right ) \, dx \\ & = -\frac {2}{3 a (i+a x)^3}-\frac {i}{2 a (i+a x)^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.69 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=-\frac {1+3 i a x}{6 a (i+a x)^3} \]
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Time = 0.26 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.57
method | result | size |
default | \(\frac {-\frac {i x}{2}-\frac {1}{6 a}}{\left (a x +i\right )^{3}}\) | \(20\) |
risch | \(\frac {-\frac {i x}{2}-\frac {1}{6 a}}{\left (a x +i\right )^{3}}\) | \(20\) |
norman | \(\frac {x +\frac {5}{2} i a \,x^{2}+\frac {1}{6} i a^{5} x^{6}-\frac {5}{3} a^{2} x^{3}}{\left (a^{2} x^{2}+1\right )^{3}}\) | \(39\) |
parallelrisch | \(\frac {i a^{5} x^{6}-10 a^{2} x^{3}+15 i a \,x^{2}+6 x}{6 \left (a^{2} x^{2}+1\right )^{3}}\) | \(42\) |
gosper | \(-\frac {\left (a x +i\right ) \left (-3 a x +i\right ) \left (i a x +1\right )^{5}}{6 a \left (-a x +i\right ) \left (a^{2} x^{2}+1\right )^{4}}\) | \(48\) |
meijerg | \(\frac {\frac {x \sqrt {a^{2}}\, \left (15 a^{4} x^{4}+40 a^{2} x^{2}+33\right )}{4 \left (a^{2} x^{2}+1\right )^{3}}+\frac {15 \sqrt {a^{2}}\, \arctan \left (a x \right )}{4 a}}{12 \sqrt {a^{2}}}+\frac {5 i a \,x^{2} \left (a^{4} x^{4}+3 a^{2} x^{2}+3\right )}{6 \left (a^{2} x^{2}+1\right )^{3}}-\frac {5 \left (-\frac {x \left (a^{2}\right )^{\frac {3}{2}} \left (-3 a^{4} x^{4}-8 a^{2} x^{2}+3\right )}{4 a^{2} \left (a^{2} x^{2}+1\right )^{3}}+\frac {3 \left (a^{2}\right )^{\frac {3}{2}} \arctan \left (a x \right )}{4 a^{3}}\right )}{6 \sqrt {a^{2}}}-\frac {5 i a^{3} x^{4} \left (a^{2} x^{2}+3\right )}{6 \left (a^{2} x^{2}+1\right )^{3}}+\frac {-\frac {x \left (a^{2}\right )^{\frac {5}{2}} \left (-15 a^{4} x^{4}+40 a^{2} x^{2}+15\right )}{48 a^{4} \left (a^{2} x^{2}+1\right )^{3}}+\frac {5 \left (a^{2}\right )^{\frac {5}{2}} \arctan \left (a x \right )}{16 a^{5}}}{\sqrt {a^{2}}}+\frac {i a^{5} x^{6}}{6 \left (a^{2} x^{2}+1\right )^{3}}\) | \(269\) |
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Time = 0.26 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=\frac {-3 i \, a x - 1}{6 \, {\left (a^{4} x^{3} + 3 i \, a^{3} x^{2} - 3 \, a^{2} x - i \, a\right )}} \]
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Time = 0.13 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.11 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=\frac {- 3 i a x - 1}{6 a^{4} x^{3} + 18 i a^{3} x^{2} - 18 a^{2} x - 6 i a} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (25) = 50\).
Time = 0.29 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.69 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=-\frac {3 i \, a^{4} x^{4} + 10 \, a^{3} x^{3} - 12 i \, a^{2} x^{2} - 6 \, a x + i}{6 \, {\left (a^{7} x^{6} + 3 \, a^{5} x^{4} + 3 \, a^{3} x^{2} + a\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.51 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=-\frac {3 i \, a x + 1}{6 \, {\left (a x + i\right )}^{3} a} \]
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Time = 0.11 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.60 \[ \int \frac {e^{5 i \arctan (a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx=-\frac {3\,a\,x-\mathrm {i}}{6\,a\,{\left (-1+a\,x\,1{}\mathrm {i}\right )}^3} \]
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