Optimal. Leaf size=57 \[ -\frac{a (B+i A)}{4 c^4 f (\tan (e+f x)+i)^4}-\frac{i a B}{3 c^4 f (\tan (e+f x)+i)^3} \]
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Rubi [A] time = 0.0878122, antiderivative size = 57, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 39, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.051, Rules used = {3588, 43} \[ -\frac{a (B+i A)}{4 c^4 f (\tan (e+f x)+i)^4}-\frac{i a B}{3 c^4 f (\tan (e+f x)+i)^3} \]
Antiderivative was successfully verified.
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Rule 3588
Rule 43
Rubi steps
\begin{align*} \int \frac{(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^4} \, dx &=\frac{(a c) \operatorname{Subst}\left (\int \frac{A+B x}{(c-i c x)^5} \, dx,x,\tan (e+f x)\right )}{f}\\ &=\frac{(a c) \operatorname{Subst}\left (\int \left (\frac{i A+B}{c^5 (i+x)^5}+\frac{i B}{c^5 (i+x)^4}\right ) \, dx,x,\tan (e+f x)\right )}{f}\\ &=-\frac{a (i A+B)}{4 c^4 f (i+\tan (e+f x))^4}-\frac{i a B}{3 c^4 f (i+\tan (e+f x))^3}\\ \end{align*}
Mathematica [A] time = 1.53203, size = 97, normalized size = 1.7 \[ \frac{a (\cos (5 (e+f x))+i \sin (5 (e+f x))) (-(3 A+5 i B) (2 \sin (e+f x)+3 \sin (3 (e+f x)))+2 (B-15 i A) \cos (e+f x)+3 (3 B-5 i A) \cos (3 (e+f x)))}{192 c^4 f} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.045, size = 44, normalized size = 0.8 \begin{align*}{\frac{a}{f{c}^{4}} \left ( -{\frac{iA+B}{4\, \left ( \tan \left ( fx+e \right ) +i \right ) ^{4}}}-{\frac{{\frac{i}{3}}B}{ \left ( \tan \left ( fx+e \right ) +i \right ) ^{3}}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: RuntimeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.4196, size = 236, normalized size = 4.14 \begin{align*} \frac{{\left (-3 i \, A - 3 \, B\right )} a e^{\left (8 i \, f x + 8 i \, e\right )} +{\left (-12 i \, A - 4 \, B\right )} a e^{\left (6 i \, f x + 6 i \, e\right )} +{\left (-18 i \, A + 6 \, B\right )} a e^{\left (4 i \, f x + 4 i \, e\right )} +{\left (-12 i \, A + 12 \, B\right )} a e^{\left (2 i \, f x + 2 i \, e\right )}}{192 \, c^{4} f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 2.75311, size = 306, normalized size = 5.37 \begin{align*} \begin{cases} \frac{\left (- 98304 i A a c^{12} f^{3} e^{2 i e} + 98304 B a c^{12} f^{3} e^{2 i e}\right ) e^{2 i f x} + \left (- 147456 i A a c^{12} f^{3} e^{4 i e} + 49152 B a c^{12} f^{3} e^{4 i e}\right ) e^{4 i f x} + \left (- 98304 i A a c^{12} f^{3} e^{6 i e} - 32768 B a c^{12} f^{3} e^{6 i e}\right ) e^{6 i f x} + \left (- 24576 i A a c^{12} f^{3} e^{8 i e} - 24576 B a c^{12} f^{3} e^{8 i e}\right ) e^{8 i f x}}{1572864 c^{16} f^{4}} & \text{for}\: 1572864 c^{16} f^{4} \neq 0 \\\frac{x \left (A a e^{8 i e} + 3 A a e^{6 i e} + 3 A a e^{4 i e} + A a e^{2 i e} - i B a e^{8 i e} - i B a e^{6 i e} + i B a e^{4 i e} + i B a e^{2 i e}\right )}{8 c^{4}} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.39136, size = 288, normalized size = 5.05 \begin{align*} -\frac{2 \,{\left (3 \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{7} + 9 i \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{6} - 3 \, B a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{6} - 21 \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} - 4 i \, B a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} - 24 i \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{4} + 8 \, B a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{4} + 21 \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 4 i \, B a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 9 i \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{2} - 3 \, B a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{2} - 3 \, A a \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )\right )}}{3 \, c^{4} f{\left (\tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) + i\right )}^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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