Optimal. Leaf size=62 \[ \frac {i c^2}{2 f (a+i a \tan (e+f x))^4}-\frac {i a^2 c^2}{3 f \left (a^2+i a^2 \tan (e+f x)\right )^3} \]
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Rubi [A] time = 0.11, antiderivative size = 62, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 31, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.097, Rules used = {3522, 3487, 43} \[ \frac {i c^2}{2 f (a+i a \tan (e+f x))^4}-\frac {i a^2 c^2}{3 f \left (a^2+i a^2 \tan (e+f x)\right )^3} \]
Antiderivative was successfully verified.
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Rule 43
Rule 3487
Rule 3522
Rubi steps
\begin {align*} \int \frac {(c-i c \tan (e+f x))^2}{(a+i a \tan (e+f x))^4} \, dx &=\left (a^2 c^2\right ) \int \frac {\sec ^4(e+f x)}{(a+i a \tan (e+f x))^6} \, dx\\ &=-\frac {\left (i c^2\right ) \operatorname {Subst}\left (\int \frac {a-x}{(a+x)^5} \, dx,x,i a \tan (e+f x)\right )}{a f}\\ &=-\frac {\left (i c^2\right ) \operatorname {Subst}\left (\int \left (\frac {2 a}{(a+x)^5}-\frac {1}{(a+x)^4}\right ) \, dx,x,i a \tan (e+f x)\right )}{a f}\\ &=\frac {i c^2}{2 f (a+i a \tan (e+f x))^4}-\frac {i c^2}{3 a f (a+i a \tan (e+f x))^3}\\ \end {align*}
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Mathematica [A] time = 2.02, size = 58, normalized size = 0.94 \[ \frac {c^2 (3 i \sin (2 (e+f x))+9 \cos (2 (e+f x))+8) (\sin (6 (e+f x))+i \cos (6 (e+f x)))}{96 a^4 f} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.44, size = 51, normalized size = 0.82 \[ \frac {{\left (6 i \, c^{2} e^{\left (4 i \, f x + 4 i \, e\right )} + 8 i \, c^{2} e^{\left (2 i \, f x + 2 i \, e\right )} + 3 i \, c^{2}\right )} e^{\left (-8 i \, f x - 8 i \, e\right )}}{96 \, a^{4} f} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 1.62, size = 140, normalized size = 2.26 \[ -\frac {2 \, {\left (3 \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{7} - 6 i \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{6} - 17 \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{5} + 16 i \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{4} + 17 \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 6 i \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} - 3 \, c^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )\right )}}{3 \, a^{4} f {\left (\tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) - i\right )}^{8}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.23, size = 39, normalized size = 0.63 \[ \frac {c^{2} \left (\frac {1}{3 \left (\tan \left (f x +e \right )-i\right )^{3}}+\frac {i}{2 \left (\tan \left (f x +e \right )-i\right )^{4}}\right )}{f \,a^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: RuntimeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.72, size = 67, normalized size = 1.08 \[ \frac {c^2\,\left (-1+\mathrm {tan}\left (e+f\,x\right )\,2{}\mathrm {i}\right )}{6\,a^4\,f\,\left ({\mathrm {tan}\left (e+f\,x\right )}^4\,1{}\mathrm {i}+4\,{\mathrm {tan}\left (e+f\,x\right )}^3-{\mathrm {tan}\left (e+f\,x\right )}^2\,6{}\mathrm {i}-4\,\mathrm {tan}\left (e+f\,x\right )+1{}\mathrm {i}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.47, size = 156, normalized size = 2.52 \[ \begin {cases} - \frac {\left (- 384 i a^{8} c^{2} f^{2} e^{14 i e} e^{- 4 i f x} - 512 i a^{8} c^{2} f^{2} e^{12 i e} e^{- 6 i f x} - 192 i a^{8} c^{2} f^{2} e^{10 i e} e^{- 8 i f x}\right ) e^{- 18 i e}}{6144 a^{12} f^{3}} & \text {for}\: 6144 a^{12} f^{3} e^{18 i e} \neq 0 \\\frac {x \left (c^{2} e^{4 i e} + 2 c^{2} e^{2 i e} + c^{2}\right ) e^{- 8 i e}}{4 a^{4}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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