Optimal. Leaf size=55 \[ \frac {i (a-i a \tan (c+d x))^6}{3 a^{10} d}-\frac {i (a-i a \tan (c+d x))^7}{7 a^{11} d} \]
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Rubi [A]
time = 0.04, antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3568, 45}
\begin {gather*} \frac {i (a-i a \tan (c+d x))^6}{3 a^{10} d}-\frac {i (a-i a \tan (c+d x))^7}{7 a^{11} d} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 3568
Rubi steps
\begin {align*} \int \frac {\sec ^{12}(c+d x)}{(a+i a \tan (c+d x))^4} \, dx &=-\frac {i \text {Subst}\left (\int (a-x)^5 (a+x) \, dx,x,i a \tan (c+d x)\right )}{a^{11} d}\\ &=-\frac {i \text {Subst}\left (\int \left (2 a (a-x)^5-(a-x)^6\right ) \, dx,x,i a \tan (c+d x)\right )}{a^{11} d}\\ &=\frac {i (a-i a \tan (c+d x))^6}{3 a^{10} d}-\frac {i (a-i a \tan (c+d x))^7}{7 a^{11} 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. \(127\) vs. \(2(55)=110\).
time = 0.56, size = 127, normalized size = 2.31 \begin {gather*} \frac {\sec (c) \sec ^7(c+d x) (-35 i \cos (d x)-35 i \cos (2 c+d x)-21 i \cos (2 c+3 d x)-21 i \cos (4 c+3 d x)+35 \sin (d x)-35 \sin (2 c+d x)+21 \sin (2 c+3 d x)-21 \sin (4 c+3 d x)+14 \sin (4 c+5 d x)+2 \sin (6 c+7 d x))}{84 a^4 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.28, size = 67, normalized size = 1.22
method | result | size |
risch | \(\frac {64 i \left (7 \,{\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{21 d \,a^{4} \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{7}}\) | \(36\) |
derivativedivides | \(\frac {\tan \left (d x +c \right )+\frac {\left (\tan ^{7}\left (d x +c \right )\right )}{7}+\frac {2 i \left (\tan ^{6}\left (d x +c \right )\right )}{3}-\left (\tan ^{5}\left (d x +c \right )\right )-\frac {5 \left (\tan ^{3}\left (d x +c \right )\right )}{3}-2 i \left (\tan ^{2}\left (d x +c \right )\right )}{d \,a^{4}}\) | \(67\) |
default | \(\frac {\tan \left (d x +c \right )+\frac {\left (\tan ^{7}\left (d x +c \right )\right )}{7}+\frac {2 i \left (\tan ^{6}\left (d x +c \right )\right )}{3}-\left (\tan ^{5}\left (d x +c \right )\right )-\frac {5 \left (\tan ^{3}\left (d x +c \right )\right )}{3}-2 i \left (\tan ^{2}\left (d x +c \right )\right )}{d \,a^{4}}\) | \(67\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 67, normalized size = 1.22 \begin {gather*} \frac {3 \, \tan \left (d x + c\right )^{7} + 14 i \, \tan \left (d x + c\right )^{6} - 21 \, \tan \left (d x + c\right )^{5} - 35 \, \tan \left (d x + c\right )^{3} - 42 i \, \tan \left (d x + c\right )^{2} + 21 \, \tan \left (d x + c\right )}{21 \, a^{4} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 127 vs. \(2 (43) = 86\).
time = 0.37, size = 127, normalized size = 2.31 \begin {gather*} -\frac {64 \, {\left (-7 i \, e^{\left (2 i \, d x + 2 i \, c\right )} - i\right )}}{21 \, {\left (a^{4} d e^{\left (14 i \, d x + 14 i \, c\right )} + 7 \, a^{4} d e^{\left (12 i \, d x + 12 i \, c\right )} + 21 \, a^{4} d e^{\left (10 i \, d x + 10 i \, c\right )} + 35 \, a^{4} d e^{\left (8 i \, d x + 8 i \, c\right )} + 35 \, a^{4} d e^{\left (6 i \, d x + 6 i \, c\right )} + 21 \, a^{4} d e^{\left (4 i \, d x + 4 i \, c\right )} + 7 \, a^{4} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{4} d\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \frac {\int \frac {\sec ^{12}{\left (c + d x \right )}}{\tan ^{4}{\left (c + d x \right )} - 4 i \tan ^{3}{\left (c + d x \right )} - 6 \tan ^{2}{\left (c + d x \right )} + 4 i \tan {\left (c + d x \right )} + 1}\, dx}{a^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.90, size = 67, normalized size = 1.22 \begin {gather*} \frac {3 \, \tan \left (d x + c\right )^{7} + 14 i \, \tan \left (d x + c\right )^{6} - 21 \, \tan \left (d x + c\right )^{5} - 35 \, \tan \left (d x + c\right )^{3} - 42 i \, \tan \left (d x + c\right )^{2} + 21 \, \tan \left (d x + c\right )}{21 \, a^{4} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.34, size = 113, normalized size = 2.05 \begin {gather*} \frac {\sin \left (c+d\,x\right )\,\left (21\,{\cos \left (c+d\,x\right )}^6-{\cos \left (c+d\,x\right )}^5\,\sin \left (c+d\,x\right )\,42{}\mathrm {i}-35\,{\cos \left (c+d\,x\right )}^4\,{\sin \left (c+d\,x\right )}^2-21\,{\cos \left (c+d\,x\right )}^2\,{\sin \left (c+d\,x\right )}^4+\cos \left (c+d\,x\right )\,{\sin \left (c+d\,x\right )}^5\,14{}\mathrm {i}+3\,{\sin \left (c+d\,x\right )}^6\right )}{21\,a^4\,d\,{\cos \left (c+d\,x\right )}^7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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