Integrand size = 28, antiderivative size = 152 \[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\frac {10 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) \sqrt {e \sec (c+d x)}}{77 a^3 d}+\frac {10 e \sin (c+d x)}{77 a^3 d \sqrt {e \sec (c+d x)}}+\frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3}+\frac {20 i e^2}{77 d (e \sec (c+d x))^{3/2} \left (a^3+i a^3 \tan (c+d x)\right )} \]
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Time = 0.26 (sec) , antiderivative size = 152, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {3583, 3581, 3854, 3856, 2720} \[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\frac {20 i e^2}{77 d \left (a^3+i a^3 \tan (c+d x)\right ) (e \sec (c+d x))^{3/2}}+\frac {10 e \sin (c+d x)}{77 a^3 d \sqrt {e \sec (c+d x)}}+\frac {10 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) \sqrt {e \sec (c+d x)}}{77 a^3 d}+\frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3} \]
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Rule 2720
Rule 3581
Rule 3583
Rule 3854
Rule 3856
Rubi steps \begin{align*} \text {integral}& = \frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3}+\frac {5 \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^2} \, dx}{11 a} \\ & = \frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3}+\frac {20 i e^2}{77 d (e \sec (c+d x))^{3/2} \left (a^3+i a^3 \tan (c+d x)\right )}+\frac {\left (15 e^2\right ) \int \frac {1}{(e \sec (c+d x))^{3/2}} \, dx}{77 a^3} \\ & = \frac {10 e \sin (c+d x)}{77 a^3 d \sqrt {e \sec (c+d x)}}+\frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3}+\frac {20 i e^2}{77 d (e \sec (c+d x))^{3/2} \left (a^3+i a^3 \tan (c+d x)\right )}+\frac {5 \int \sqrt {e \sec (c+d x)} \, dx}{77 a^3} \\ & = \frac {10 e \sin (c+d x)}{77 a^3 d \sqrt {e \sec (c+d x)}}+\frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3}+\frac {20 i e^2}{77 d (e \sec (c+d x))^{3/2} \left (a^3+i a^3 \tan (c+d x)\right )}+\frac {\left (5 \sqrt {\cos (c+d x)} \sqrt {e \sec (c+d x)}\right ) \int \frac {1}{\sqrt {\cos (c+d x)}} \, dx}{77 a^3} \\ & = \frac {10 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) \sqrt {e \sec (c+d x)}}{77 a^3 d}+\frac {10 e \sin (c+d x)}{77 a^3 d \sqrt {e \sec (c+d x)}}+\frac {2 i \sqrt {e \sec (c+d x)}}{11 d (a+i a \tan (c+d x))^3}+\frac {20 i e^2}{77 d (e \sec (c+d x))^{3/2} \left (a^3+i a^3 \tan (c+d x)\right )} \\ \end{align*}
Time = 1.38 (sec) , antiderivative size = 129, normalized size of antiderivative = 0.85 \[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\frac {i \sec ^3(c+d x) \sqrt {e \sec (c+d x)} \left (46 i \cos (c+d x)+22 i \cos (3 (c+d x))-15 \sin (c+d x)+20 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) (\cos (3 (c+d x))+i \sin (3 (c+d x)))-15 \sin (3 (c+d x))\right )}{154 a^3 d (-i+\tan (c+d x))^3} \]
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Time = 6.30 (sec) , antiderivative size = 142, normalized size of antiderivative = 0.93
method | result | size |
default | \(-\frac {2 i \left (\left (-5 \cos \left (d x +c \right )-5\right ) \sqrt {\frac {1}{\cos \left (d x +c \right )+1}}\, \sqrt {\frac {\cos \left (d x +c \right )}{\cos \left (d x +c \right )+1}}\, F\left (i \left (-\csc \left (d x +c \right )+\cot \left (d x +c \right )\right ), i\right )+i \sin \left (d x +c \right ) \cos \left (d x +c \right ) \left (28 \left (\cos ^{4}\left (d x +c \right )\right )+3 \left (\cos ^{2}\left (d x +c \right )\right )+5\right )+\left (\cos ^{4}\left (d x +c \right )\right ) \left (-28 \left (\cos ^{2}\left (d x +c \right )\right )+11\right )\right ) \sqrt {e \sec \left (d x +c \right )}}{77 a^{3} d}\) | \(142\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 112, normalized size of antiderivative = 0.74 \[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\frac {{\left (\sqrt {2} \sqrt {\frac {e}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (37 i \, e^{\left (6 i \, d x + 6 i \, c\right )} + 61 i \, e^{\left (4 i \, d x + 4 i \, c\right )} + 31 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + 7 i\right )} e^{\left (\frac {1}{2} i \, d x + \frac {1}{2} i \, c\right )} - 40 i \, \sqrt {2} \sqrt {e} e^{\left (6 i \, d x + 6 i \, c\right )} {\rm weierstrassPInverse}\left (-4, 0, e^{\left (i \, d x + i \, c\right )}\right )\right )} e^{\left (-6 i \, d x - 6 i \, c\right )}}{308 \, a^{3} d} \]
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\[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\frac {i \int \frac {\sqrt {e \sec {\left (c + d x \right )}}}{\tan ^{3}{\left (c + d x \right )} - 3 i \tan ^{2}{\left (c + d x \right )} - 3 \tan {\left (c + d x \right )} + i}\, dx}{a^{3}} \]
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Exception generated. \[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\text {Exception raised: RuntimeError} \]
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\[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\int { \frac {\sqrt {e \sec \left (d x + c\right )}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{3}} \,d x } \]
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Timed out. \[ \int \frac {\sqrt {e \sec (c+d x)}}{(a+i a \tan (c+d x))^3} \, dx=\int \frac {\sqrt {\frac {e}{\cos \left (c+d\,x\right )}}}{{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^3} \,d x \]
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