Optimal. Leaf size=108 \[ 4 i a^3 x+\frac {4 i a^3 \cot (c+d x)}{d}+\frac {2 a^3 \cot ^2(c+d x)}{d}-\frac {3 i a^3 \cot ^3(c+d x)}{4 d}+\frac {4 a^3 \log (\sin (c+d x))}{d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d} \]
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Rubi [A]
time = 0.13, antiderivative size = 108, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 5, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.208, Rules used = {3634, 3672,
3610, 3612, 3556} \begin {gather*} -\frac {3 i a^3 \cot ^3(c+d x)}{4 d}+\frac {2 a^3 \cot ^2(c+d x)}{d}+\frac {4 i a^3 \cot (c+d x)}{d}+\frac {4 a^3 \log (\sin (c+d x))}{d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}+4 i a^3 x \end {gather*}
Antiderivative was successfully verified.
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Rule 3556
Rule 3610
Rule 3612
Rule 3634
Rule 3672
Rubi steps
\begin {align*} \int \cot ^5(c+d x) (a+i a \tan (c+d x))^3 \, dx &=-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}-\frac {1}{4} \int \cot ^4(c+d x) (a+i a \tan (c+d x)) \left (-9 i a^2+7 a^2 \tan (c+d x)\right ) \, dx\\ &=-\frac {3 i a^3 \cot ^3(c+d x)}{4 d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}-\frac {1}{4} \int \cot ^3(c+d x) \left (16 a^3+16 i a^3 \tan (c+d x)\right ) \, dx\\ &=\frac {2 a^3 \cot ^2(c+d x)}{d}-\frac {3 i a^3 \cot ^3(c+d x)}{4 d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}-\frac {1}{4} \int \cot ^2(c+d x) \left (16 i a^3-16 a^3 \tan (c+d x)\right ) \, dx\\ &=\frac {4 i a^3 \cot (c+d x)}{d}+\frac {2 a^3 \cot ^2(c+d x)}{d}-\frac {3 i a^3 \cot ^3(c+d x)}{4 d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}-\frac {1}{4} \int \cot (c+d x) \left (-16 a^3-16 i a^3 \tan (c+d x)\right ) \, dx\\ &=4 i a^3 x+\frac {4 i a^3 \cot (c+d x)}{d}+\frac {2 a^3 \cot ^2(c+d x)}{d}-\frac {3 i a^3 \cot ^3(c+d x)}{4 d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}+\left (4 a^3\right ) \int \cot (c+d x) \, dx\\ &=4 i a^3 x+\frac {4 i a^3 \cot (c+d x)}{d}+\frac {2 a^3 \cot ^2(c+d x)}{d}-\frac {3 i a^3 \cot ^3(c+d x)}{4 d}+\frac {4 a^3 \log (\sin (c+d x))}{d}-\frac {\cot ^4(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{4 d}\\ \end {align*}
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Mathematica [B] Both result and optimal contain complex but leaf count is larger than twice
the leaf count of optimal. \(254\) vs. \(2(108)=216\).
time = 0.96, size = 254, normalized size = 2.35 \begin {gather*} \frac {a^3 \csc \left (\frac {c}{2}\right ) \csc ^4(c+d x) \sec \left (\frac {c}{2}\right ) \left (-15 i \cos (c)+13 i \cos (c+2 d x)+7 i \cos (3 c+2 d x)-5 i \cos (3 c+4 d x)+8 \sin (c)+12 i d x \sin (c)+6 \log \left (\sin ^2(c+d x)\right ) \sin (c)+5 \sin (c+2 d x)+8 i d x \sin (c+2 d x)+4 \log \left (\sin ^2(c+d x)\right ) \sin (c+2 d x)-5 \sin (3 c+2 d x)-8 i d x \sin (3 c+2 d x)-4 \log \left (\sin ^2(c+d x)\right ) \sin (3 c+2 d x)-2 i d x \sin (3 c+4 d x)-\log \left (\sin ^2(c+d x)\right ) \sin (3 c+4 d x)+2 i d x \sin (5 c+4 d x)+\log \left (\sin ^2(c+d x)\right ) \sin (5 c+4 d x)\right )}{16 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.20, size = 112, normalized size = 1.04
method | result | size |
risch | \(-\frac {8 i a^{3} c}{d}-\frac {2 a^{3} \left (12 \,{\mathrm e}^{6 i \left (d x +c \right )}-23 \,{\mathrm e}^{4 i \left (d x +c \right )}+18 \,{\mathrm e}^{2 i \left (d x +c \right )}-5\right )}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{4}}+\frac {4 a^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{d}\) | \(88\) |
derivativedivides | \(\frac {-i a^{3} \left (-\cot \left (d x +c \right )-d x -c \right )-3 a^{3} \left (-\frac {\left (\cot ^{2}\left (d x +c \right )\right )}{2}-\ln \left (\sin \left (d x +c \right )\right )\right )+3 i a^{3} \left (-\frac {\left (\cot ^{3}\left (d x +c \right )\right )}{3}+\cot \left (d x +c \right )+d x +c \right )+a^{3} \left (-\frac {\left (\cot ^{4}\left (d x +c \right )\right )}{4}+\frac {\left (\cot ^{2}\left (d x +c \right )\right )}{2}+\ln \left (\sin \left (d x +c \right )\right )\right )}{d}\) | \(112\) |
default | \(\frac {-i a^{3} \left (-\cot \left (d x +c \right )-d x -c \right )-3 a^{3} \left (-\frac {\left (\cot ^{2}\left (d x +c \right )\right )}{2}-\ln \left (\sin \left (d x +c \right )\right )\right )+3 i a^{3} \left (-\frac {\left (\cot ^{3}\left (d x +c \right )\right )}{3}+\cot \left (d x +c \right )+d x +c \right )+a^{3} \left (-\frac {\left (\cot ^{4}\left (d x +c \right )\right )}{4}+\frac {\left (\cot ^{2}\left (d x +c \right )\right )}{2}+\ln \left (\sin \left (d x +c \right )\right )\right )}{d}\) | \(112\) |
norman | \(\frac {-\frac {a^{3}}{4 d}+\frac {2 a^{3} \left (\tan ^{2}\left (d x +c \right )\right )}{d}-\frac {i a^{3} \tan \left (d x +c \right )}{d}+\frac {4 i a^{3} \left (\tan ^{3}\left (d x +c \right )\right )}{d}+4 i a^{3} x \left (\tan ^{4}\left (d x +c \right )\right )}{\tan \left (d x +c \right )^{4}}+\frac {4 a^{3} \ln \left (\tan \left (d x +c \right )\right )}{d}-\frac {2 a^{3} \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{d}\) | \(117\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.55, size = 94, normalized size = 0.87 \begin {gather*} -\frac {-16 i \, {\left (d x + c\right )} a^{3} + 8 \, a^{3} \log \left (\tan \left (d x + c\right )^{2} + 1\right ) - 16 \, a^{3} \log \left (\tan \left (d x + c\right )\right ) + \frac {-16 i \, a^{3} \tan \left (d x + c\right )^{3} - 8 \, a^{3} \tan \left (d x + c\right )^{2} + 4 i \, a^{3} \tan \left (d x + c\right ) + a^{3}}{\tan \left (d x + c\right )^{4}}}{4 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.46, size = 174, normalized size = 1.61 \begin {gather*} -\frac {2 \, {\left (12 \, a^{3} e^{\left (6 i \, d x + 6 i \, c\right )} - 23 \, a^{3} e^{\left (4 i \, d x + 4 i \, c\right )} + 18 \, a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} - 5 \, a^{3} - 2 \, {\left (a^{3} e^{\left (8 i \, d x + 8 i \, c\right )} - 4 \, a^{3} e^{\left (6 i \, d x + 6 i \, c\right )} + 6 \, a^{3} e^{\left (4 i \, d x + 4 i \, c\right )} - 4 \, a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} + a^{3}\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} - 1\right )\right )}}{d e^{\left (8 i \, d x + 8 i \, c\right )} - 4 \, d e^{\left (6 i \, d x + 6 i \, c\right )} + 6 \, d e^{\left (4 i \, d x + 4 i \, c\right )} - 4 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.42, size = 165, normalized size = 1.53 \begin {gather*} \frac {4 a^{3} \log {\left (e^{2 i d x} - e^{- 2 i c} \right )}}{d} + \frac {- 24 a^{3} e^{6 i c} e^{6 i d x} + 46 a^{3} e^{4 i c} e^{4 i d x} - 36 a^{3} e^{2 i c} e^{2 i d x} + 10 a^{3}}{d e^{8 i c} e^{8 i d x} - 4 d e^{6 i c} e^{6 i d x} + 6 d e^{4 i c} e^{4 i d x} - 4 d e^{2 i c} e^{2 i d x} + d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.29, size = 180, normalized size = 1.67 \begin {gather*} -\frac {3 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} - 24 i \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 108 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1536 \, a^{3} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + i\right ) - 768 \, a^{3} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) + 456 i \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + \frac {1600 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} - 456 i \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 108 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 24 i \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, a^{3}}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4}}}{192 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.91, size = 80, normalized size = 0.74 \begin {gather*} \frac {a^3\,\mathrm {atan}\left (2\,\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,8{}\mathrm {i}}{d}-\frac {-a^3\,{\mathrm {tan}\left (c+d\,x\right )}^3\,4{}\mathrm {i}-2\,a^3\,{\mathrm {tan}\left (c+d\,x\right )}^2+a^3\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}+\frac {a^3}{4}}{d\,{\mathrm {tan}\left (c+d\,x\right )}^4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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