Integrand size = 28, antiderivative size = 183 \[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=\frac {78 i a^4 \sqrt {e \sec (c+d x)}}{7 d}+\frac {78 a^4 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) \sqrt {e \sec (c+d x)}}{7 d}+\frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {26 i \sqrt {e \sec (c+d x)} \left (a^2+i a^2 \tan (c+d x)\right )^2}{35 d}+\frac {78 i \sqrt {e \sec (c+d x)} \left (a^4+i a^4 \tan (c+d x)\right )}{35 d} \]
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Time = 0.26 (sec) , antiderivative size = 183, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {3579, 3567, 3856, 2720} \[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=\frac {78 i a^4 \sqrt {e \sec (c+d x)}}{7 d}+\frac {78 i \left (a^4+i a^4 \tan (c+d x)\right ) \sqrt {e \sec (c+d x)}}{35 d}+\frac {78 a^4 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) \sqrt {e \sec (c+d x)}}{7 d}+\frac {26 i \left (a^2+i a^2 \tan (c+d x)\right )^2 \sqrt {e \sec (c+d x)}}{35 d}+\frac {2 i a (a+i a \tan (c+d x))^3 \sqrt {e \sec (c+d x)}}{7 d} \]
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Rule 2720
Rule 3567
Rule 3579
Rule 3856
Rubi steps \begin{align*} \text {integral}& = \frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {1}{7} (13 a) \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3 \, dx \\ & = \frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {26 i \sqrt {e \sec (c+d x)} \left (a^2+i a^2 \tan (c+d x)\right )^2}{35 d}+\frac {1}{35} \left (117 a^2\right ) \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^2 \, dx \\ & = \frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {26 i \sqrt {e \sec (c+d x)} \left (a^2+i a^2 \tan (c+d x)\right )^2}{35 d}+\frac {78 i \sqrt {e \sec (c+d x)} \left (a^4+i a^4 \tan (c+d x)\right )}{35 d}+\frac {1}{7} \left (39 a^3\right ) \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x)) \, dx \\ & = \frac {78 i a^4 \sqrt {e \sec (c+d x)}}{7 d}+\frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {26 i \sqrt {e \sec (c+d x)} \left (a^2+i a^2 \tan (c+d x)\right )^2}{35 d}+\frac {78 i \sqrt {e \sec (c+d x)} \left (a^4+i a^4 \tan (c+d x)\right )}{35 d}+\frac {1}{7} \left (39 a^4\right ) \int \sqrt {e \sec (c+d x)} \, dx \\ & = \frac {78 i a^4 \sqrt {e \sec (c+d x)}}{7 d}+\frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {26 i \sqrt {e \sec (c+d x)} \left (a^2+i a^2 \tan (c+d x)\right )^2}{35 d}+\frac {78 i \sqrt {e \sec (c+d x)} \left (a^4+i a^4 \tan (c+d x)\right )}{35 d}+\frac {1}{7} \left (39 a^4 \sqrt {\cos (c+d x)} \sqrt {e \sec (c+d x)}\right ) \int \frac {1}{\sqrt {\cos (c+d x)}} \, dx \\ & = \frac {78 i a^4 \sqrt {e \sec (c+d x)}}{7 d}+\frac {78 a^4 \sqrt {\cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right ) \sqrt {e \sec (c+d x)}}{7 d}+\frac {2 i a \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^3}{7 d}+\frac {26 i \sqrt {e \sec (c+d x)} \left (a^2+i a^2 \tan (c+d x)\right )^2}{35 d}+\frac {78 i \sqrt {e \sec (c+d x)} \left (a^4+i a^4 \tan (c+d x)\right )}{35 d} \\ \end{align*}
Time = 2.93 (sec) , antiderivative size = 101, normalized size of antiderivative = 0.55 \[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=\frac {a^4 \sec ^4(c+d x) \sqrt {e \sec (c+d x)} \left (728 i+1008 i \cos (2 (c+d x))+280 i \cos (4 (c+d x))+1560 \cos ^{\frac {9}{2}}(c+d x) \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),2\right )-150 \sin (2 (c+d x))-85 \sin (4 (c+d x))\right )}{140 d} \]
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Time = 19.38 (sec) , antiderivative size = 172, normalized size of antiderivative = 0.94
method | result | size |
default | \(\frac {2 i a^{4} \sqrt {e \sec \left (d x +c \right )}\, \left (195 \sqrt {\frac {\cos \left (d x +c \right )}{\cos \left (d x +c \right )+1}}\, F\left (i \left (-\csc \left (d x +c \right )+\cot \left (d x +c \right )\right ), i\right ) \sqrt {\frac {1}{\cos \left (d x +c \right )+1}}\, \cos \left (d x +c \right )+195 F\left (i \left (-\csc \left (d x +c \right )+\cot \left (d x +c \right )\right ), i\right ) \sqrt {\frac {1}{\cos \left (d x +c \right )+1}}\, \sqrt {\frac {\cos \left (d x +c \right )}{\cos \left (d x +c \right )+1}}+280+85 i \tan \left (d x +c \right )-28 \left (\sec ^{2}\left (d x +c \right )\right )-5 i \tan \left (d x +c \right ) \left (\sec ^{2}\left (d x +c \right )\right )\right )}{35 d}\) | \(172\) |
parts | \(-\frac {2 i a^{4} \left (\cos \left (d x +c \right )+1\right ) F\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right ), i\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}}\, \sqrt {e \sec \left (d x +c \right )}}{d}+\frac {2 i a^{4} \sqrt {e \sec \left (d x +c \right )}\, \left (-4 F\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right ), i\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}}\, \cos \left (d x +c \right )-4 F\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right ), i\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}}+3 i \tan \left (d x +c \right )-i \tan \left (d x +c \right ) \left (\sec ^{2}\left (d x +c \right )\right )\right )}{7 d}+\frac {2 i a^{4} \sqrt {e \sec \left (d x +c \right )}\, \left (20 \cos \left (d x +c \right ) \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}+5 \cos \left (d x +c \right ) \ln \left (\frac {4 \cos \left (d x +c \right ) \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}+4 \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}-2 \cos \left (d x +c \right )+2}{\cos \left (d x +c \right )+1}\right )-5 \cos \left (d x +c \right ) \ln \left (\frac {2 \cos \left (d x +c \right ) \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}+2 \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}-\cos \left (d x +c \right )+1}{\cos \left (d x +c \right )+1}\right )+20 \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}-4 \sec \left (d x +c \right ) \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}-4 \left (\sec ^{2}\left (d x +c \right )\right ) \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}\right )}{5 d \sqrt {-\frac {\cos \left (d x +c \right )}{\left (\cos \left (d x +c \right )+1\right )^{2}}}\, \left (\cos \left (d x +c \right )+1\right )}+\frac {8 i a^{4} \sqrt {e \sec \left (d x +c \right )}}{d}-\frac {4 a^{4} \sqrt {e \sec \left (d x +c \right )}\, \left (2 i \cos \left (d x +c \right ) F\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right ), i\right ) \sqrt {\frac {\cos \left (d x +c \right )}{\cos \left (d x +c \right )+1}}\, \sqrt {\frac {1}{\cos \left (d x +c \right )+1}}+2 i F\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right ), i\right ) \sqrt {\frac {\cos \left (d x +c \right )}{\cos \left (d x +c \right )+1}}\, \sqrt {\frac {1}{\cos \left (d x +c \right )+1}}+\tan \left (d x +c \right )\right )}{d}\) | \(720\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 188, normalized size of antiderivative = 1.03 \[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=-\frac {2 \, {\left (\sqrt {2} {\left (-365 i \, a^{4} e^{\left (6 i \, d x + 6 i \, c\right )} - 793 i \, a^{4} e^{\left (4 i \, d x + 4 i \, c\right )} - 663 i \, a^{4} e^{\left (2 i \, d x + 2 i \, c\right )} - 195 i \, a^{4}\right )} \sqrt {\frac {e}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} e^{\left (\frac {1}{2} i \, d x + \frac {1}{2} i \, c\right )} + 195 \, \sqrt {2} {\left (i \, a^{4} e^{\left (6 i \, d x + 6 i \, c\right )} + 3 i \, a^{4} e^{\left (4 i \, d x + 4 i \, c\right )} + 3 i \, a^{4} e^{\left (2 i \, d x + 2 i \, c\right )} + i \, a^{4}\right )} \sqrt {e} {\rm weierstrassPInverse}\left (-4, 0, e^{\left (i \, d x + i \, c\right )}\right )\right )}}{35 \, {\left (d e^{\left (6 i \, d x + 6 i \, c\right )} + 3 \, d e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )}} \]
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\[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=a^{4} \left (\int \sqrt {e \sec {\left (c + d x \right )}}\, dx + \int \left (- 6 \sqrt {e \sec {\left (c + d x \right )}} \tan ^{2}{\left (c + d x \right )}\right )\, dx + \int \sqrt {e \sec {\left (c + d x \right )}} \tan ^{4}{\left (c + d x \right )}\, dx + \int 4 i \sqrt {e \sec {\left (c + d x \right )}} \tan {\left (c + d x \right )}\, dx + \int \left (- 4 i \sqrt {e \sec {\left (c + d x \right )}} \tan ^{3}{\left (c + d x \right )}\right )\, dx\right ) \]
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\[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=\int { \sqrt {e \sec \left (d x + c\right )} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{4} \,d x } \]
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Exception generated. \[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \sqrt {e \sec (c+d x)} (a+i a \tan (c+d x))^4 \, dx=\int \sqrt {\frac {e}{\cos \left (c+d\,x\right )}}\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^4 \,d x \]
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