Integrand size = 39, antiderivative size = 55 \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=-\frac {a (A-i B)}{3 c^3 f (i+\tan (e+f x))^3}-\frac {a B}{2 c^3 f (i+\tan (e+f x))^2} \]
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Time = 0.10 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.051, Rules used = {3669, 45} \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=-\frac {a (A-i B)}{3 c^3 f (\tan (e+f x)+i)^3}-\frac {a B}{2 c^3 f (\tan (e+f x)+i)^2} \]
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Rule 45
Rule 3669
Rubi steps \begin{align*} \text {integral}& = \frac {(a c) \text {Subst}\left (\int \frac {A+B x}{(c-i c x)^4} \, dx,x,\tan (e+f x)\right )}{f} \\ & = \frac {(a c) \text {Subst}\left (\int \left (\frac {A-i B}{c^4 (i+x)^4}+\frac {B}{c^4 (i+x)^3}\right ) \, dx,x,\tan (e+f x)\right )}{f} \\ & = -\frac {a (A-i B)}{3 c^3 f (i+\tan (e+f x))^3}-\frac {a B}{2 c^3 f (i+\tan (e+f x))^2} \\ \end{align*}
Time = 0.49 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.75 \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=-\frac {a (2 A+i B+3 B \tan (e+f x))}{6 c^3 f (i+\tan (e+f x))^3} \]
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Time = 0.15 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.78
method | result | size |
derivativedivides | \(\frac {a \left (-\frac {B}{2 \left (i+\tan \left (f x +e \right )\right )^{2}}-\frac {-i B +A}{3 \left (i+\tan \left (f x +e \right )\right )^{3}}\right )}{f \,c^{3}}\) | \(43\) |
default | \(\frac {a \left (-\frac {B}{2 \left (i+\tan \left (f x +e \right )\right )^{2}}-\frac {-i B +A}{3 \left (i+\tan \left (f x +e \right )\right )^{3}}\right )}{f \,c^{3}}\) | \(43\) |
risch | \(-\frac {a \,{\mathrm e}^{6 i \left (f x +e \right )} B}{24 c^{3} f}-\frac {i a \,{\mathrm e}^{6 i \left (f x +e \right )} A}{24 c^{3} f}-\frac {i A a \,{\mathrm e}^{4 i \left (f x +e \right )}}{8 c^{3} f}+\frac {a \,{\mathrm e}^{2 i \left (f x +e \right )} B}{8 c^{3} f}-\frac {i a \,{\mathrm e}^{2 i \left (f x +e \right )} A}{8 c^{3} f}\) | \(100\) |
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none
Time = 0.24 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.07 \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=\frac {{\left (-i \, A - B\right )} a e^{\left (6 i \, f x + 6 i \, e\right )} - 3 i \, A a e^{\left (4 i \, f x + 4 i \, e\right )} - 3 \, {\left (i \, A - B\right )} a e^{\left (2 i \, f x + 2 i \, e\right )}}{24 \, c^{3} f} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 201 vs. \(2 (44) = 88\).
Time = 0.25 (sec) , antiderivative size = 201, normalized size of antiderivative = 3.65 \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=\begin {cases} \frac {- 192 i A a c^{6} f^{2} e^{4 i e} e^{4 i f x} + \left (- 192 i A a c^{6} f^{2} e^{2 i e} + 192 B a c^{6} f^{2} e^{2 i e}\right ) e^{2 i f x} + \left (- 64 i A a c^{6} f^{2} e^{6 i e} - 64 B a c^{6} f^{2} e^{6 i e}\right ) e^{6 i f x}}{1536 c^{9} f^{3}} & \text {for}\: c^{9} f^{3} \neq 0 \\\frac {x \left (A a e^{6 i e} + 2 A a e^{4 i e} + A a e^{2 i e} - i B a e^{6 i e} + i B a e^{2 i e}\right )}{4 c^{3}} & \text {otherwise} \end {cases} \]
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Exception generated. \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=\text {Exception raised: RuntimeError} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 140 vs. \(2 (45) = 90\).
Time = 0.64 (sec) , antiderivative size = 140, normalized size of antiderivative = 2.55 \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=-\frac {2 \, {\left (3 \, A a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{5} + 6 i \, A a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{4} - 3 \, B a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{4} - 10 \, A a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 2 i \, B a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 6 i \, A a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} + 3 \, B a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} + 3 \, A a \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )\right )}}{3 \, c^{3} f {\left (\tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + i\right )}^{6}} \]
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Time = 8.92 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.15 \[ \int \frac {(a+i a \tan (e+f x)) (A+B \tan (e+f x))}{(c-i c \tan (e+f x))^3} \, dx=\frac {\frac {a\,\left (2\,A+B\,1{}\mathrm {i}\right )}{6}+\frac {B\,a\,\mathrm {tan}\left (e+f\,x\right )}{2}}{c^3\,f\,\left (-{\mathrm {tan}\left (e+f\,x\right )}^3-{\mathrm {tan}\left (e+f\,x\right )}^2\,3{}\mathrm {i}+3\,\mathrm {tan}\left (e+f\,x\right )+1{}\mathrm {i}\right )} \]
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