Optimal. Leaf size=25 \[ -\frac{i c (a+i a \tan (e+f x))^2}{2 f} \]
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Rubi [A] time = 0.0641839, antiderivative size = 36, normalized size of antiderivative = 1.44, number of steps used = 4, number of rules used = 4, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.138, Rules used = {3522, 3486, 3767, 8} \[ \frac{a^2 c \tan (e+f x)}{f}+\frac{i a^2 c \sec ^2(e+f x)}{2 f} \]
Antiderivative was successfully verified.
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Rule 3522
Rule 3486
Rule 3767
Rule 8
Rubi steps
\begin{align*} \int (a+i a \tan (e+f x))^2 (c-i c \tan (e+f x)) \, dx &=(a c) \int \sec ^2(e+f x) (a+i a \tan (e+f x)) \, dx\\ &=\frac{i a^2 c \sec ^2(e+f x)}{2 f}+\left (a^2 c\right ) \int \sec ^2(e+f x) \, dx\\ &=\frac{i a^2 c \sec ^2(e+f x)}{2 f}-\frac{\left (a^2 c\right ) \operatorname{Subst}(\int 1 \, dx,x,-\tan (e+f x))}{f}\\ &=\frac{i a^2 c \sec ^2(e+f x)}{2 f}+\frac{a^2 c \tan (e+f x)}{f}\\ \end{align*}
Mathematica [A] time = 0.121311, size = 45, normalized size = 1.8 \[ \frac{a^2 c \left (i \tan ^2(e+f x)-2 \tan ^{-1}(\tan (e+f x))+2 \tan (e+f x)+2 f x\right )}{2 f} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 27, normalized size = 1.1 \begin{align*}{\frac{{a}^{2}c \left ({\frac{i}{2}} \left ( \tan \left ( fx+e \right ) \right ) ^{2}+\tan \left ( fx+e \right ) \right ) }{f}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.65279, size = 43, normalized size = 1.72 \begin{align*} -\frac{-i \, a^{2} c \tan \left (f x + e\right )^{2} - 2 \, a^{2} c \tan \left (f x + e\right )}{2 \, f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.05101, size = 134, normalized size = 5.36 \begin{align*} \frac{4 i \, a^{2} c e^{\left (2 i \, f x + 2 i \, e\right )} + 2 i \, a^{2} c}{f e^{\left (4 i \, f x + 4 i \, e\right )} + 2 \, f e^{\left (2 i \, f x + 2 i \, e\right )} + f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.981931, size = 75, normalized size = 3. \begin{align*} \frac{\frac{4 i a^{2} c e^{- 2 i e} e^{2 i f x}}{f} + \frac{2 i a^{2} c e^{- 4 i e}}{f}}{e^{4 i f x} + 2 e^{- 2 i e} e^{2 i f x} + e^{- 4 i e}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.42773, size = 72, normalized size = 2.88 \begin{align*} \frac{4 i \, a^{2} c e^{\left (2 i \, f x + 2 i \, e\right )} + 2 i \, a^{2} c}{f e^{\left (4 i \, f x + 4 i \, e\right )} + 2 \, f e^{\left (2 i \, f x + 2 i \, e\right )} + f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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