Optimal. Leaf size=273 \[ \frac{d \left (c^2-8 i c d-3 d^2\right )}{2 a f (c-i d)^2 (c+i d)^3 (c+d \tan (e+f x))}+\frac{2 d^2 \left (3 c^2-2 i c d-d^2\right ) \log (c \cos (e+f x)+d \sin (e+f x))}{a f (c+i d)^4 (d+i c)^3}+\frac{x \left (6 c^2 d^2+4 i c^3 d+c^4-12 i c d^3-3 d^4\right )}{2 a (c-i d)^3 (c+i d)^4}+\frac{d (c-2 i d)}{2 a f (c-i d) (c+i d)^2 (c+d \tan (e+f x))^2}-\frac{1}{2 f (-d+i c) (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.494064, antiderivative size = 273, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 28, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143, Rules used = {3552, 3529, 3531, 3530} \[ \frac{d \left (c^2-8 i c d-3 d^2\right )}{2 a f (c-i d)^2 (c+i d)^3 (c+d \tan (e+f x))}+\frac{2 d^2 \left (3 c^2-2 i c d-d^2\right ) \log (c \cos (e+f x)+d \sin (e+f x))}{a f (c+i d)^4 (d+i c)^3}+\frac{x \left (6 c^2 d^2+4 i c^3 d+c^4-12 i c d^3-3 d^4\right )}{2 a (c-i d)^3 (c+i d)^4}+\frac{d (c-2 i d)}{2 a f (c-i d) (c+i d)^2 (c+d \tan (e+f x))^2}-\frac{1}{2 f (-d+i c) (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 3552
Rule 3529
Rule 3531
Rule 3530
Rubi steps
\begin{align*} \int \frac{1}{(a+i a \tan (e+f x)) (c+d \tan (e+f x))^3} \, dx &=-\frac{1}{2 (i c-d) f (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2}+\frac{\int \frac{a (i c-4 d)+3 i a d \tan (e+f x)}{(c+d \tan (e+f x))^3} \, dx}{2 a^2 (i c-d)}\\ &=\frac{(c-2 i d) d}{2 a (c-i d) (c+i d)^2 f (c+d \tan (e+f x))^2}-\frac{1}{2 (i c-d) f (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2}+\frac{\int \frac{-a \left (4 c d-i \left (c^2+3 d^2\right )\right )+2 a d (i c+2 d) \tan (e+f x)}{(c+d \tan (e+f x))^2} \, dx}{2 a^2 (i c-d) \left (c^2+d^2\right )}\\ &=\frac{(c-2 i d) d}{2 a (c-i d) (c+i d)^2 f (c+d \tan (e+f x))^2}-\frac{1}{2 (i c-d) f (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2}+\frac{d \left (c^2-8 i c d-3 d^2\right )}{2 a (c-i d)^2 (c+i d)^3 f (c+d \tan (e+f x))}-\frac{\int \frac{a \left (i c^3-4 c^2 d+5 i c d^2+4 d^3\right )+a d \left (i c^2+8 c d-3 i d^2\right ) \tan (e+f x)}{c+d \tan (e+f x)} \, dx}{2 a^2 (i c-d)^3 (c-i d)^2}\\ &=\frac{\left (c^4+4 i c^3 d+6 c^2 d^2-12 i c d^3-3 d^4\right ) x}{2 a (c-i d)^3 (c+i d)^4}+\frac{(c-2 i d) d}{2 a (c-i d) (c+i d)^2 f (c+d \tan (e+f x))^2}-\frac{1}{2 (i c-d) f (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2}+\frac{d \left (c^2-8 i c d-3 d^2\right )}{2 a (c-i d)^2 (c+i d)^3 f (c+d \tan (e+f x))}+\frac{\left (2 d^2 \left (3 c^2-2 i c d-d^2\right )\right ) \int \frac{d-c \tan (e+f x)}{c+d \tan (e+f x)} \, dx}{a (c+i d)^4 (i c+d)^3}\\ &=\frac{\left (c^4+4 i c^3 d+6 c^2 d^2-12 i c d^3-3 d^4\right ) x}{2 a (c-i d)^3 (c+i d)^4}+\frac{2 d^2 \left (3 c^2-2 i c d-d^2\right ) \log (c \cos (e+f x)+d \sin (e+f x))}{a (c+i d)^4 (i c+d)^3 f}+\frac{(c-2 i d) d}{2 a (c-i d) (c+i d)^2 f (c+d \tan (e+f x))^2}-\frac{1}{2 (i c-d) f (a+i a \tan (e+f x)) (c+d \tan (e+f x))^2}+\frac{d \left (c^2-8 i c d-3 d^2\right )}{2 a (c-i d)^2 (c+i d)^3 f (c+d \tan (e+f x))}\\ \end{align*}
Mathematica [A] time = 6.62863, size = 474, normalized size = 1.74 \[ \frac{\sec (e+f x) (\cos (f x)+i \sin (f x)) \left (\frac{4 d^2 \left (3 i c^2+2 c d-i d^2\right ) \left (\cos \left (\frac{e}{2}\right )+i \sin \left (\frac{e}{2}\right )\right )^2 \log \left ((c \cos (e+f x)+d \sin (e+f x))^2\right )}{f (c-i d)^3}+\frac{8 d^2 \left (-3 c^2+2 i c d+d^2\right ) \left (\cos \left (\frac{e}{2}\right )+i \sin \left (\frac{e}{2}\right )\right )^2 \tan ^{-1}\left (\frac{c \sin (f x)+d \cos (f x)}{d \sin (f x)-c \cos (f x)}\right )}{f (c-i d)^3}+\frac{8 d^2 x \left (-3 c^2+2 i c d+d^2\right ) (\cos (e)+i \sin (e))}{(c-i d)^3}+\frac{2 x \left (6 c^2 d^2+4 i c^3 d+c^4-12 i c d^3-3 d^4\right ) (\cos (e)+i \sin (e))}{(c-i d)^3}+\frac{2 d^4 (c+i d) (\sin (e)-i \cos (e))}{f (c-i d)^2 (c \cos (e+f x)+d \sin (e+f x))^2}+\frac{4 d^3 (c+i d) (d+4 i c) (\cos (e)+i \sin (e)) \sin (f x)}{f (c-i d)^2 (c \cos (e)+d \sin (e)) (c \cos (e+f x)+d \sin (e+f x))}+\frac{(c+i d) (\sin (e)+i \cos (e)) \cos (2 f x)}{f}+\frac{(c+i d) (\cos (e)-i \sin (e)) \sin (2 f x)}{f}\right )}{4 (c+i d)^4 (a+i a \tan (e+f x))} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [B] time = 0.067, size = 542, normalized size = 2. \begin{align*}{\frac{-{\frac{i}{4}}\ln \left ( \tan \left ( fx+e \right ) -i \right ) c}{af \left ( c+id \right ) ^{4}}}+{\frac{7\,\ln \left ( \tan \left ( fx+e \right ) -i \right ) d}{4\,af \left ( c+id \right ) ^{4}}}+{\frac{1}{2\,af \left ( c+id \right ) ^{3} \left ( \tan \left ( fx+e \right ) -i \right ) }}-{\frac{{\frac{i}{4}}\ln \left ( \tan \left ( fx+e \right ) +i \right ) }{af \left ( id-c \right ) ^{3}}}+{\frac{{\frac{i}{2}}{d}^{2}{c}^{4}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) ^{2}}}+{\frac{i{d}^{4}{c}^{2}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) ^{2}}}+{\frac{{\frac{i}{2}}{d}^{6}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) ^{2}}}+{\frac{3\,i{d}^{2}{c}^{3}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) }}+{\frac{3\,i{d}^{4}c}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) }}+{\frac{{d}^{3}{c}^{2}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) }}+{\frac{{d}^{5}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4} \left ( c+d\tan \left ( fx+e \right ) \right ) }}-{\frac{6\,i{d}^{2}\ln \left ( c+d\tan \left ( fx+e \right ) \right ){c}^{2}}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4}}}+{\frac{2\,i{d}^{4}\ln \left ( c+d\tan \left ( fx+e \right ) \right ) }{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4}}}-4\,{\frac{{d}^{3}\ln \left ( c+d\tan \left ( fx+e \right ) \right ) c}{af \left ( id-c \right ) ^{3} \left ( c+id \right ) ^{4}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] time = 2.26446, size = 1751, normalized size = 6.41 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 1.48764, size = 676, normalized size = 2.48 \begin{align*} -\frac{2 \,{\left (\frac{{\left (i \, c - 7 \, d\right )} \log \left (i \, \tan \left (f x + e\right ) + 1\right )}{8 \, a c^{4} + 32 i \, a c^{3} d - 48 \, a c^{2} d^{2} - 32 i \, a c d^{3} + 8 \, a d^{4}} + \frac{{\left (3 \, c^{2} d^{3} - 2 i \, c d^{4} - d^{5}\right )} \log \left ({\left | d \tan \left (f x + e\right ) + c \right |}\right )}{i \, a c^{7} d - a c^{6} d^{2} + 3 i \, a c^{5} d^{3} - 3 \, a c^{4} d^{4} + 3 i \, a c^{3} d^{5} - 3 \, a c^{2} d^{6} + i \, a c d^{7} - a d^{8}} - \frac{i \, \log \left (-i \, \tan \left (f x + e\right ) + 1\right )}{8 \, a c^{3} - 24 i \, a c^{2} d - 24 \, a c d^{2} + 8 i \, a d^{3}} + \frac{-i \, c \tan \left (f x + e\right ) + 7 \, d \tan \left (f x + e\right ) - 3 \, c - 9 i \, d}{{\left (8 \, a c^{4} + 32 i \, a c^{3} d - 48 \, a c^{2} d^{2} - 32 i \, a c d^{3} + 8 \, a d^{4}\right )}{\left (\tan \left (f x + e\right ) - i\right )}} - \frac{18 \, c^{2} d^{4} \tan \left (f x + e\right )^{2} - 12 i \, c d^{5} \tan \left (f x + e\right )^{2} - 6 \, d^{6} \tan \left (f x + e\right )^{2} + 42 \, c^{3} d^{3} \tan \left (f x + e\right ) - 26 i \, c^{2} d^{4} \tan \left (f x + e\right ) - 6 \, c d^{5} \tan \left (f x + e\right ) - 2 i \, d^{6} \tan \left (f x + e\right ) + 25 \, c^{4} d^{2} - 14 i \, c^{3} d^{3} + 2 \, c^{2} d^{4} - 2 i \, c d^{5} + d^{6}}{{\left (4 i \, a c^{7} - 4 \, a c^{6} d + 12 i \, a c^{5} d^{2} - 12 \, a c^{4} d^{3} + 12 i \, a c^{3} d^{4} - 12 \, a c^{2} d^{5} + 4 i \, a c d^{6} - 4 \, a d^{7}\right )}{\left (d \tan \left (f x + e\right ) + c\right )}^{2}}\right )}}{f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]