Optimal. Leaf size=93 \[ -\frac{5 i \sec ^3(c+d x)}{3 a^3 d}+\frac{5 \tanh ^{-1}(\sin (c+d x))}{2 a^3 d}+\frac{5 \tan (c+d x) \sec (c+d x)}{2 a^3 d}-\frac{2 i \sec ^5(c+d x)}{a d (a+i a \tan (c+d x))^2} \]
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Rubi [A] time = 0.0981361, antiderivative size = 93, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {3500, 3501, 3768, 3770} \[ -\frac{5 i \sec ^3(c+d x)}{3 a^3 d}+\frac{5 \tanh ^{-1}(\sin (c+d x))}{2 a^3 d}+\frac{5 \tan (c+d x) \sec (c+d x)}{2 a^3 d}-\frac{2 i \sec ^5(c+d x)}{a d (a+i a \tan (c+d x))^2} \]
Antiderivative was successfully verified.
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Rule 3500
Rule 3501
Rule 3768
Rule 3770
Rubi steps
\begin{align*} \int \frac{\sec ^7(c+d x)}{(a+i a \tan (c+d x))^3} \, dx &=-\frac{2 i \sec ^5(c+d x)}{a d (a+i a \tan (c+d x))^2}+\frac{5 \int \frac{\sec ^5(c+d x)}{a+i a \tan (c+d x)} \, dx}{a^2}\\ &=-\frac{5 i \sec ^3(c+d x)}{3 a^3 d}-\frac{2 i \sec ^5(c+d x)}{a d (a+i a \tan (c+d x))^2}+\frac{5 \int \sec ^3(c+d x) \, dx}{a^3}\\ &=-\frac{5 i \sec ^3(c+d x)}{3 a^3 d}+\frac{5 \sec (c+d x) \tan (c+d x)}{2 a^3 d}-\frac{2 i \sec ^5(c+d x)}{a d (a+i a \tan (c+d x))^2}+\frac{5 \int \sec (c+d x) \, dx}{2 a^3}\\ &=\frac{5 \tanh ^{-1}(\sin (c+d x))}{2 a^3 d}-\frac{5 i \sec ^3(c+d x)}{3 a^3 d}+\frac{5 \sec (c+d x) \tan (c+d x)}{2 a^3 d}-\frac{2 i \sec ^5(c+d x)}{a d (a+i a \tan (c+d x))^2}\\ \end{align*}
Mathematica [A] time = 0.379595, size = 63, normalized size = 0.68 \[ \frac{60 \tanh ^{-1}\left (\cos (c) \tan \left (\frac{d x}{2}\right )+\sin (c)\right )-i \sec ^3(c+d x) (-9 i \sin (2 (c+d x))+24 \cos (2 (c+d x))+20)}{12 a^3 d} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.098, size = 258, normalized size = 2.8 \begin{align*}{\frac{{\frac{i}{3}}}{d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) +1 \right ) ^{-3}}+{\frac{3}{2\,d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) +1 \right ) ^{-2}}-{\frac{{\frac{i}{2}}}{d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) +1 \right ) ^{-2}}-{\frac{3}{2\,d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) +1 \right ) ^{-1}}-{\frac{{\frac{7\,i}{2}}}{d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) +1 \right ) ^{-1}}+{\frac{5}{2\,d{a}^{3}}\ln \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) +1 \right ) }-{\frac{{\frac{i}{3}}}{d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) -1 \right ) ^{-3}}-{\frac{3}{2\,d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) -1 \right ) ^{-2}}-{\frac{{\frac{i}{2}}}{d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) -1 \right ) ^{-2}}-{\frac{3}{2\,d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) -1 \right ) ^{-1}}+{\frac{{\frac{7\,i}{2}}}{d{a}^{3}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) -1 \right ) ^{-1}}-{\frac{5}{2\,d{a}^{3}}\ln \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) -1 \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.00669, size = 290, normalized size = 3.12 \begin{align*} \frac{\frac{4 \,{\left (-\frac{9 i \, \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - \frac{48 \, \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac{18 \, \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} + \frac{9 i \, \sin \left (d x + c\right )^{5}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{5}} + 22\right )}}{6 i \, a^{3} - \frac{18 i \, a^{3} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac{18 i \, a^{3} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} - \frac{6 i \, a^{3} \sin \left (d x + c\right )^{6}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{6}}} + \frac{5 \, \log \left (\frac{\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} + 1\right )}{a^{3}} - \frac{5 \, \log \left (\frac{\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - 1\right )}{a^{3}}}{2 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.49059, size = 521, normalized size = 5.6 \begin{align*} \frac{15 \,{\left (e^{\left (6 i \, d x + 6 i \, c\right )} + 3 \, e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right )} \log \left (e^{\left (i \, d x + i \, c\right )} + i\right ) - 15 \,{\left (e^{\left (6 i \, d x + 6 i \, c\right )} + 3 \, e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right )} \log \left (e^{\left (i \, d x + i \, c\right )} - i\right ) - 30 i \, e^{\left (5 i \, d x + 5 i \, c\right )} - 80 i \, e^{\left (3 i \, d x + 3 i \, c\right )} - 66 i \, e^{\left (i \, d x + i \, c\right )}}{6 \,{\left (a^{3} d e^{\left (6 i \, d x + 6 i \, c\right )} + 3 \, a^{3} d e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, a^{3} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{3} d\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: AttributeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.2489, size = 154, normalized size = 1.66 \begin{align*} \frac{\frac{15 \, \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + 1 \right |}\right )}{a^{3}} - \frac{15 \, \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 1 \right |}\right )}{a^{3}} - \frac{2 \,{\left (9 \, \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{5} - 18 i \, \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} + 48 i \, \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 9 \, \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 22 i\right )}}{{\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 1\right )}^{3} a^{3}}}{6 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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