Optimal. Leaf size=35 \[ -\frac{2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^{5/2}}{5 d} \]
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Rubi [A] time = 0.0586437, antiderivative size = 35, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.038, Rules used = {3493} \[ -\frac{2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^{5/2}}{5 d} \]
Antiderivative was successfully verified.
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Rule 3493
Rubi steps
\begin{align*} \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx &=-\frac{2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^{5/2}}{5 d}\\ \end{align*}
Mathematica [B] time = 0.514704, size = 73, normalized size = 2.09 \[ \frac{2 a^3 \cos ^3(c+d x) \sqrt{a+i a \tan (c+d x)} (\sin (2 c+5 d x)-i \cos (2 c+5 d x))}{5 d (\cos (d x)+i \sin (d x))^3} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.349, size = 73, normalized size = 2.1 \begin{align*} -{\frac{2\,{a}^{3} \left ( 2\,i \left ( \cos \left ( dx+c \right ) \right ) ^{2}-2\,\cos \left ( dx+c \right ) \sin \left ( dx+c \right ) -i \right ) \left ( \cos \left ( dx+c \right ) \right ) ^{3}}{5\,d}\sqrt{{\frac{a \left ( i\sin \left ( dx+c \right ) +\cos \left ( dx+c \right ) \right ) }{\cos \left ( dx+c \right ) }}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 2.14331, size = 613, normalized size = 17.51 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.22783, size = 198, normalized size = 5.66 \begin{align*} \frac{\sqrt{2}{\left (-i \, a^{3} e^{\left (6 i \, d x + 6 i \, c\right )} - 3 i \, a^{3} e^{\left (4 i \, d x + 4 i \, c\right )} - 3 i \, a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a^{3}\right )} \sqrt{\frac{a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}}}{20 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac{7}{2}} \cos \left (d x + c\right )^{5}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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